A 125 ml volume of carbon tetrachloride has a mass of 192.5g. what is the density of the liquid

Answers

Answer 1

Hey there!

D = m / V

D = 192.5 / 125

D = 1.54 g/mL

Related Questions

Which characteristics apply to the gaseous state? i. low density ii. high density iii. rapid molecular motion iv. slow molecular motion v. large distance between particles?

Answers

1 Low density
2 Rapid molecular motion
3 Large distance between particles

The characteristics applicable to gaseous state are low density, rapid molecular motion and large distance between particles.

What are the characteristics of gaseous state?

Substances in gaseous state are easy to compress as they have large inter- molecular distances.They also have the unique property of expansion owing to which large amounts of gases can fit into small volumes.

As gases occupy large volumes as compared to their masses they have low density.Owing to their large inter-molecular spaces they have more degree of freedom due to which there is rapid molecular motion.

The kinetic energy possessed by gas molecules is highest in gases due to large spaces present between the molecules.They have high thermal energy as molecules are far apart and heat causes molecules to move faster.

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If 4.35 grams of zinc metal react with 35.8 grams of silver nitrate, how many grams of silver metal can be formed and how many grams of the excess reactant will be left over when the reaction is complete? Show all of your work. unbalanced equation: Zn + AgNO3 yields Zn(NO3)2 + Ag

Answers

The balanced chemical reaction is written as:

Zn + 2AgNO3 = Zn(NO3)2 + 2Ag

To determine the grams of silver metal that is being produced, it is important to first determine which is the limiting reactant and the excess reactant from the given initial amounts. We do as follows:

4.35 g Zn ( 1 mol / 65.38 g ) ( 2 mol AgNO3 / 1 mol Zn ) = 0.1331 mol AgNO3 needed
35.8 g AgNO3 ( 1 mol / 169.87 g ) ( 1 mol Zn / 2 mol AgNO3 ) = 0.1054 mol Zn needed

Therefore, the limiting reactant would be the zinc metal since it would be consumed completely in the reaction. The excess amount of AgNO3 would be:

0.2107 mol AgNO3 - 0.1331 mol AgNO3 = 0.0776 mol AgNO3 left ( 169.87 g / 1 mol ) = 13.19 g AgNO3 left

0.0665 mol Zn ( 2 mol Ag / 1 mol Zn) ( 107.9 g / 1 mol) = 14.3581 g Ag produced

Is ink a compound or mixture?

Answers

a mixture, because it contains multiple dyes and compounds

hopefully i could help ;)

Molecules containing a large number of hydroxyl groups are

Answers

Molecules containing a large number of hydroxyl groups are soluble in water. Molecules which contains the functional group hydroxyl or -OH are called alcohols. Water and alcohols share some similar properties. One would be its polar properties. Alcohols are polar molecules as they contain a partial positive and partial negative end. Making them to be miscible in water. The hydroxyl groups in alcohol are capable of forming hydrogen bonds with the water molecules and with other alcohols. As the number of the hydroxyl groups increases, the polarity of the molecule would also increase making it more soluble in water.

What is the name of the compound with the chemical formula v(clo3)3? spelling counts, but capitalization and spaces do not?

Answers

Vanadium(III) Chlorate

Answer:

Two options: vanadium (III) chlorate or vanadic chlorate.

Explanation:

Hello,

In this case, V accounts for vanadium, Cl for chlorine and O for oxygen. Now, as you've got v(clo3)3, one should write it with the proper capitalization:

[tex]V(ClO_3)_3[/tex]

In such a way, the name depends on the oxidation states of both vanadium and chlorine. At first, one realizes that vanadium has +3 as the oxidation state as all the oxyanions formed by chlorine have -1 as the total charge. Now, the anion [tex]ClO_3[/tex] suggests that the chlorine has +5 as the oxidation state for it to has a total oxidation state of -1, in such a way, by following the IUPAC rules, one states is name as vanadium (III) chlorate or vanadous chloride. For the spelling, procure to respect spaces and to use lower cases for the resulting names.

Best regards.

In the same reaction HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l), if 125.0 milliliters of a 1.5 M HCl react in with 87.5 milliliters of 1.75 M NaOH, how many grams of H2O will be produced?

Answers

1) Chemical reaction

HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l),

2) Molar ratios

1 mol HCl : 1 mol NaOH : 1 mol NaCl : 1 mol H2O

3) Find the number of moles of each reactant

125.0 milliliters of a 1.5 M HCl

M = n / V => n = M * V = 1.5 M * 0..1250 l = 0.1875 mol HCl

87.5 milliliters of 1.75 M NaOH,

n = M*V = 1.75 M * 0.0875 l = 0.1531 mol NaOH

3) Limiting reagent

It is NaOH because its 0.1531 moles will be consumed before the 0.1875 mol of HCl are depleted.

4) Use molar ratios to determine the number of moles of H2O produced:

1:1 => 0.1531 mole of H2O

5) how many grams of H2O will be produced?

use the molar mass to convert 0.1531 mol of H2O to grams:

0.1531 mol * 18.0 g / mol = 2.76 g

Answer: 2.76 g

Answer:

0.125 L × 1.5 M = 0.1875 mol HCl

0.1875 mol HCl × 1 mol H2O/1 mol HCl = 0.1875 mol H2O

0.1875 mol H2O × 18 g/1 mol = 3.375 g

0.0875 L × 1.75 M = 0.153 mol NaOH

0.153 mol NaOH × 1 mol H2O/1 mol NaOH = 0.153 mol H2O

0.153 mol H2O × 18 g/1mol= 2.756 g

Solution: 2.76 grams

Explanation:

Answer from Edmentum

B) into the same funnel is poured carefully 50 ml of hexane (density = 0.660 g/ml) so that the other two layers are not disturbed. the hexane forms a third layer. the funnel is stoppered and the mixture is shaken vigorously. after standing, two layers separate. which compound(s) are in which layer?

Answers

The substances that are added in the funnel are bromoethane or CH3CH2Br, water and hexane. The density of the bromoethane is given as 1.460 g/mL, density of water would 1 g/mL and hexane would have a density of 0.660 g/mL. Assuming that these substances are immiscible in each other, adding them in a funnel would form three layers. The substance with the highest density would be in the lowest layer which is bromoethane. In the middle layer, water could be found. Lastly, hexane would be found on the uppermost layer since it is the substance that has the lowest density of the three.

Heat is defined as the...

Answers

heat is made by the sun. the higher the temperature of a material

Final answer:

Heat is the transfer of energy from an area of high temperature to one of low temperature until both temperatures become equal (thermal equilibrium). The standard scientific unit for heat is the Joule.

Explanation:

Heat is defined as the transfer of energy between objects or areas due to a temperature difference. It always moves from a region of higher temperature to one of lower temperature. This process continues until the temperatures of the two objects or areas become equal, at which point thermal equilibrium is achieved. In science, the SI unit for heat is the Joule(J).

For example, if you boil water, the energy from the stove (higher temperature) is transferred to the water (lower temperature) causing it to heat up.

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Uranium-233 undergoes alpha decay, and then the daughter isotope undergoes another alpha decay. Which equation correctly describes this decay series? Use the periodic table link from the tools bar to answer the question.

Answers

²³³₉₂U → ²²⁹₉₀Th + ⁴₂He

²²⁹₉₀Th → ²²⁵₈₈Ra + ⁴₂He

Explanation:

Alpha decay: In this process, alpha particles is emitted when a heavier nuclei decays into lighter nuclei. The alpha particle released has a charge of +2 units.

The general alpha decay reaction is given as:

[tex]_Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}\textrm{Y}+_2^4\alpha[/tex]

[tex]_{92}^{233}\textrm{U}\rightarrow _{90}^{229}\textrm{Th}+_2^4\alpha[/tex]

[tex]_{90}^{229}\textrm{Th}\rightarrow _{88}^{225}\textrm{Ra}+_2^4\alpha[/tex]

When Uranium-233 undergoes alpha decay it splits into an alpha particle and thorium-229.Thorium-229 further undergoes alpha decay to produce radium-225 along with an alpha particle.

When looking at the percentage of patients whose symptoms were relieved after taking a placebo, a scientist sees a 20% success rate. The success rate of patients whose symptoms were relieved after taking a new composite drug was 30%. The scientist determines that the margin of error is 10%, which indicates that the new drug had no statistically significant positive effect. In which stage of the engineering process is this scientist?

A. Evaluating test results
B. Screening
C. Identifying a need
D. Looking for future improvements

Answers

A. Evaluating test results is your answer. Let me know if this is correct!

Answer:

A. Evaluating test results

Explanation:

Took the class.

A firework being ignited is an example of a(n) chemical reaction.

Answers

its an example of an exothermic reaction

The correct answer is:

exothermic

Endothermic means it cools down or absorbs heat. Exothermic means it heats up or releases heat. Bond energies determine if a reaction is endothermic or exothermic.

Explanation:

Many chemical reactions consume or release heat and energy as part of the process. An exothermic reaction is any response that releases or gives off energy through the reaction. You can learn this by arranging together 'exo-' which means to exit, with 'therm' which refers to heat. Displayed in a chemical equation: reactants → products + energy.

24 what is the correct name for the compound cocl?

Answers

colbalt(III) chloride

The correct name for the compound CoCl is cobalt (III) chloride composed of cobalt and chlorine atoms.

What is a compound?

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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listen example of how to test a hypothesis using a scientific inquiry

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When you have a scientific inquiry or scientific problem, you will address it using the scientific method. In one of the steps of the scientific method, you create a hypothesis. A hypothesis is a smart guess you make on the answer of the problem. The next step after this is to test it through experiments. You have to set independent variables and a dependent variable. The independent variable is the one you can manipulate whereas the dependent variable is the one you want to test. You conduct the experiment and gather the results. Once you have the results, you analyze it using statistical tools or any reference to other research studies. From here, you can already give a conclusion and answer whether your hypothesis was right or wrong.

Thermal expansion or thermal contraction would be most noticeable in which of the following

Answers

Air inside of a balloon

Which separation method would be most successful in separating the components of a homogeneous mixture?

A) Screening
B) Evaporation
C) Centrifugation
D) Magnetic Separation

Answers

I'm pretty sure the answer is B) Evaporation.

Answer: Option (B) is the correct answer.

Explanation:

When a liquid changes into vapors or gas then this process of change is known as evaporation.

A mixture in which solute particles completely dissolve in even composition throughout the solvent then it is known as homogeneous mixture.

For example, when salt is dissolved in water then upon heating it water can be evaporated and crystals of sodium chloride can be obtained.

Whereas screening method is used in the discovery of a drug and it a scientific experimentation method.

When particles of a mixture are separated by spinning then this process is known as centrifugation.

When a magnetic force is used to separate magnetic particles present in a mixture then this process is known as magnetic separation.

Thus, we can conclude that evaporation is the separation method would be most successful in separating the components of a homogeneous mixture.

Which activity can occur without the use of energy?

Answers

To be honest... I don't think there's an activity that doesn't use energy because everything around us uses energy. Even if you laying down not doing anything your heart is still pumping, glucose is being broken down into food to make energy so... no I don't think there's any activity that doesn't need the use of energy.

When octane is burned in air, it chemically reacts with oxygen gas o2 to produce carbon dioxide co2 and water h2o ?

Answers

The statement above is TRUE. To have a balanced equation, two moles of octane will react with 25 moles of oxygen to produce 16 moles of carbon dioxide and 18 moles of water. The chemical equation is shown below:
2C8H18 + 25O2 = 16CO2 + 18H20.

A single gram of 235U fuel can heat and boil 2.49 x 107 g of water. What volume of water is this?

Answers

You just have to convert the mass of water into volume.

To do that you use the density of water, which is about 1.0 g/ ml

So, from the formula of density D = M / V, you get V = M / D

=> V = 2.49 * 10^7 grams / 1.0 g / ml = 2.49 * 10 ^ 7 ml

You can pass that to liters using the conversion factor 1000 ml = 1 l

2.49 * 10^7 ml * 1 l / 1000 ml = 2.49 * 10^4 l = 24,900 l

Answer: 24,900 l

What is the rate constant of a first-order reaction that takes 7.30 minutes for the reactant concentration to drop to half of its initial value?

Answers

First-order reaction => r = - dC / dt k * C^m

Where: m is the order of the reaction, which is 1, r is the rate of reaction, k is the rate constant, C is the concentration, and dC / dt is the derivative of the concentration respect time.

=> - dC/dt = K * C

Solving: dC / C = k dt

=> - [ln(C) - ln Co] = kt, where Co is the initial concentration (at t = 0)

=> - ln (C / Co) = kt

Concentration dropo to half => C / Co = 1/2

=> - ln (1/2) = k * 7.30 min

=> k = ln(2) / 7.30 min = 0.095 M / min

Answer: k = 0.095 M / min

which element has atoms that can form single, double, and triple covalent bonds with others atoms of the same element

Answers

Salutations!

Which element has atoms that can form single, double, and triple covalent bonds with others atoms of the same element?

Carbon is the element that has atoms that can form single, double and triple covalent bonds.

Hope I helped!

Under conditions where ketone bodies are being produced in the liver, how many atps can be produced from a molecule of palmitic acid if all resulting molecules of acetyl-coa are converted into β-hydroxybutyrate

Answers

129 molecules of ATP is produced if all resulting molecules of acetyl-coa are converted into β-hydroxybutyrate.

What is Beta oxidation?

This is a metabolic process involving multiple steps by which fatty acid molecules are broken down to produce energy.

Palmitic acid is a 16 carbon fatty acid and undergoes 7 beta-oxidation reactions which is shown below

7 NADH + 7 FADH2 + 8 acetyl-CoA

Acetyl-CoA being converted to acetoacetate with β-hydroxybutyrate being the reduced form.

The average ATP production is 131 minus 2 ATP which was used up for the initial activation of every fatty acid thereby bringing the amount to 129ATP.

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Classify each salt as acidic, basic, or neutral. drag the appropriate items to their respective bins. hints hint 1. how to approach the problem(click to open) hint 2. identify the cations from weak bases(click to open) hint 3. identify the anions from weak acids(click to open) helpreset nh4clnaclokno3 neutral salts acidic salts basic salts

Answers

Answer:

[tex]NH_4Cl[/tex] -> Acidic

[tex]NaClO[/tex] -> Basic

[tex]KNO_3[/tex] -> Neutral

Explanation:

Hello,

In this case, considering the given salts, [tex]NH_4Cl[/tex], [tex]NaClO[/tex], [tex]KNO_3[/tex] one classifies them as follows:

- [tex]NH_4Cl[/tex]: ammonium chloride is an acidic salt since it comes from ammonium hydroxide which is a weak base and hydrochloric acid which a strong base, thus, due to the partial neutralization, there are still traces of an acidic character which provides such behavior for this salt.

- [tex]NaClO[/tex]: sodium hypochlorite is a basic salt since it comes from sodium hydroxide which is a strong base and hypochlorous acid which is a weak acid by means of the contrary behavior of the [tex]NH_4Cl[/tex] since traces of a basic character promote such basic behavior.

- [tex]KNO_3[/tex]: potassium nitrate is a neutral salt as long as it comes from the potassium hydroxide which is a strong base and the nitric acid which is a strong acid, promoting the complete neutralization.

Best regards.

Final answer:

NH4Cl, NaCl, and KNO3 are classified as acidic, neutral, and basic salts, respectively. This classification depends on their behavior when dissolved in water, resulting in either acidic, neutral, or basic solutions.

Explanation:Classification of Salts

In chemistry, salts such as NH4CL, NaCl, and KNO3 are all ionic compounds that can be classified as either acidic, basic, or neutral. This classification depends on their behavior when dissolved in water, in a process known as hydrolysis.

NH4Cl ionizes in water to yield NH4+ and Cl- ions. The NH4+ ions can act as an acid by donating a proton (H+) to water to generate hydronium ions (H3O+), leading to an acidic solution. Therefore, NH4Cl is an acidic salt.

In contrast, NaCl behaves differently. When it dissolves in water, it releases Na+ and Cl- ions. Neither of these ions reacts with water, making NaCl a neutral salt.

Finally, salts like KNO3, which produce a base and a neutral component upon dissolution, are considered basic salts because they make the solution slightly more alkaline.

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A scientist observes several metals and records the followinv data.which of the data sets represents qualitative data?A The máss of the metals B The volume de the metal C the softness de the metal D the color of the metals

Answers

The answers C and D are correct.

Write the neutralization equation that would take place in the stomach with two different bases used in antacid products

Answers

In order for the human being stomach to digest food, it uses hydrochloric acid (HCl). This is a very effective an dstrong acid that can burn the lining of the stomach and even cause ulcer if this lining does not contain enough mucus.

Back on track, a reaction between an acid and a base usually yields a salt and water. The two bases that we will use in the reaction with HCl are Mg(OH)2 and CaCO3 (note that (OH)- and (CO3)- both define basis)
MAKE SURE TO BALANCE YOU EQUATION, WHERE THE NUMBER OF MOLECULES ENTERING SHOULD BE EQUAL TO THE NUMBER OF MOLECULES RESULTING.

Equation #1:
2HCl + Mg(OH)2 --> 2H2O + MgCl2
MgCl2 is the salt
Equation#2:
2HCl + CaCO3 --> H2O + CO2 + CaCl2
CaCl2 is the salt
Carbon dioxide is formed as a result of the additional carbon carbon, the reaction ideally outputs H2CO3 which is a very weak base the breaks into water and CO2

Final answer:

The neutralization equations in the stomach involving common antacids like calcium carbonate and magnesium hydroxide are CaCO3(s) + 2HCl(aq) = CaCl₂ (aq) + H₂O(l) + CO₂(g) and 2HCl(aq) + Mg(OH)₂(s) = MgCl₂(aq) + 2H₂O(l) respectively.

Explanation:

The neutralization equation that takes place in the stomach with two different bases used in antacid products can be represented by the reactions of calcium carbonate (a common ingredient of antacids) and magnesium hydroxide (found in products like Milk of Magnesia) with hydrochloric acid (stomach acid).

The neutralization reaction of calcium carbonate with hydrochloric acid would be CaCO3(s) + 2HCl(aq) = CaCl₂ (aq) + H₂O(l) + CO₂(g). In this reaction, the antacid neutralizes the excess stomach acid, converting it to water, a salt (calcium chloride) and carbon dioxide gas.

In case of magnesium hydroxide, the reaction with hydrochloric acid would be something like 2HCl(aq) + Mg(OH)₂(s) = MgCl₂(aq) + 2H₂O(l). Here, the magnesium hydroxide neutralizes stomach acid forming water and magnesium chloride.

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Draw the salt produced in this reaction. include charges.

Answers

Since no equation is being given, I will explain how to balance a chemical reaction. The key in the balancing of chemical reaction is to make sure that you got the exact chemical formula of the substance that is reacting and the yielded product. After getting the formula, identify first the hardest element/atom to be balanced such as Na, Zn, Cl, etc. Then proceed to the easier ones such as O, H. Make sure to not the atoms present in the molecule of the substance. For example Al(s) + HCl(aq) à AlCl3(aq) + H2(g). the hardest element here is the Cl. Observe that there are 3Cls in the product side so add 3 to the HCl. However, it would not balance the H2 in the product side so you increase the addition to AlCl3, add 2. Now you have 6 atoms of Cl, add this to the reactant side, you get 6HCl. Since you have 6Hs, add 3 to H2 (3 multiplied by 2 gives 6). Then Al has 2 atoms in the product side, add 2 to the reactant side. The balance chemical reaction is 2Al(s) + 6HCl(aq) à 2AlCl3(aq) + 3H2(g).

Final answer:

In the given reaction, sodium chloride (NaCl) is produced. The sodium loses an electron and becomes positively charged, and the chloride gains an electron and becomes negatively charged. The resulting molecular, complete ionic, and net ionic equations represent this transfer of electrons and the creation of an ionic compound.

Explanation:

In the given reaction, sodium hydroxide (NaOH) and chloride gas (Cl₂) are generated as the products. Here, sodium (Na) atoms lose electrons, identified in scientific terms as undergoing oxidation, and chloride (Cl) atoms gain electrons, a process known as reduction. In the final product, sodium chloride (NaCl), sodium carries a positive charge (+) because it has lost electrons while chloride carries a negative charge (-) as it has gained electrons.

The balanced molecular, complete ionic, and net ionic equations for the process are as follows:

Molecular Equation: NaCl(aq) + H₂O(l) -> NaOH(aq) + H₂(g) + Cl₂(g)Complete Ionic Equation: Na⁺(aq) + Cl⁻(aq) + H₂O(l) -> Na⁺(aq) + OH⁻(aq) + H₂(g) + Cl₂(g)Net Ionic Equation: Cl⁻(aq) + H₂O(l) -> OH⁻(aq) + H₂(g) + Cl₂(g)

These equations demonstrate the transfer of electrons from sodium to chloride, which results in the formation of an ionic product, sodium chloride.

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Calculate the number of moles of magnesium used in trial 1. the molar mass of magnesium is 24.305 g/mol.

Answers

Final answer:

To calculate the number of moles of magnesium, divide the mass of magnesium used in the trial by its molar mass of 24.305 g/mol. An example calculation for 24.305 grams of magnesium would yield exactly 1 mole of magnesium.

Explanation:

To calculate the number of moles of magnesium used in trial 1, you should use the molar mass of magnesium and the given mass of magnesium from the trial. If the mass of magnesium used in trial 1 was not provided in the question, it must be known to perform the calculation.

Here's how you can calculate it:

First, ascertain the mass of magnesium used in trial 1 (let's assume it is 'x' grams).

Then, use the molar mass of magnesium which is 24.305 g/mol.

Divide the mass of magnesium by its molar mass to find the number of moles: Number of moles = mass of magnesium (grams) / molar mass of magnesium (g/mol).

For example, if you used 24.305 grams of magnesium in trial 1, the calculation would be:

Number of moles = 24.305 g / 24.305 g/mol = 1 mol

Which procedure will most increase the energy output of a nuclear reactor?

Answers

Raising the control rods out of the reactor.

Answer:

The correct answer is decreasing the amount of steam generated.

Explanation:

A nuclear reactor refers to a system in which continuous fission of the heavy nuclear atomic particles occurs with the assistance of the source of the radiation. The energy output can be enhanced by inhibiting the dissipation of heat on the form of steam in the outside surrounding.

What quantity of 18.68 M KOH solution is needed to neutralize 0.2841 grams of KHP ? What is the concentration of the KOH solution?

Answers

KHP stands for potassium hydrogen phthalate which is the monopotassium salt of phthalic acid.

KHP dissociates completely in water to form K(+) + HP(-); and HP(-).

HP(-) dissolves as per HP(-) + H2O ⇄ P(2-) + H3O(+).

That means that KHP the neutralization ratio of KOH and KPH is 1:1.

So, 1 mole of KOH neutralizes 1 mol of KPH.

Calculate the moles of KPH in 0.2841 grams.

You need the molar mass of KPH. Its molecular formula is C8H5KO4 and its molar mass is 204.22 g/mol

= n = 0.2841 g / 204.22 g/mol = 0.00139 moles of KPH.

Now, calculate the volumen of 18.68 M KOH solution that contains that number of moles:

M = n / V => V = n / M = 0.00139 moles / 18.68 M = 0.0000744 l = 0.0744 ml.

The concentration of the KOH solution is given in the statement: 18.68 M.

That is a weird value for the concentration so may be your question has some mistake.

Answer: 0.0744 ml

In carbon dioxide (CO2), there are two oxygen atoms for each carbon atom. Each oxygen atom forms a double bond with carbon, so the molecule is formed by two double bonds.Two double bonds means that the total number of electrons being shared in the molecule is
A) Two
B) Four
C) Six
D) Eight

Answers

Answer: Option (D) is the correct answer.

Explanation:

The atomic number of carbon is 6 and atomic number of oxygen is 8. Therefore, there are 4 valence electrons in carbon and there are 6 valence electrons in oxygen.

Each carbon and oxygen atom shares 4 electrons to form one double bond. It is known that a [tex]CO_{2}[/tex] molecule has 2 double bonds hence, there will be total sharing of 8 electrons.

Thus, we can conclude that two double bonds means that the total number of electrons being shared in the molecule is 8.

Answer:The correct answer is option D.

Explanation:

In carbon-dioxide molecule, there are two oxygen atoms and one carbon atom.

Sharing of two electrons between the atom give rise to single bond.

In single bond = 2 electrons

So, in a double bond = 2 × 2 = 4 electrons

There are two doubles bonds in the carbon-dioxide molecule, so the total number of the electrons ebbing shared in the molecule is =

=4 electrons × 2 = 8 electrons

Hence,the correct answer is option D.

How much dioxin is present in 2.6 l of this water? assume a density of 1.00 g/ml?

Answers

Final answer:

The amount of dioxin in the water cannot be calculated without knowing the concentration of dioxin. However, the mass of the water sample can be determined using the given volume and the density of water.

Explanation:

To calculate the amount of dioxin in your water sample, you would first need to know the concentration of dioxin in the water. However, assuming a density of 1.00 g/ml, you can calculate the mass of your water sample as follows: Water sample volume is 2.6 L (or 2600 ml). Given the density of water is 1.00 g/ml, we can use the formula Density = Mass/Volume or rearranged to Mass = Density x Volume to get: Mass = 1.00 g/ml x 2600 ml = 2600 g. So, the mass of the water is 2600 g. To get the amount of dioxin, we need the concentration of dioxin in the water (usually given in parts per million or ppm)

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