What is the atmospheres in order from earth

Answer:

A change in speed and direction between atleast one of the objects

Explanation:

Final answer:

To find evidence of a stationary object's contact interaction, check for changes in motion, identify contact forces, use collision mechanics and momentum conservation laws to infer interactions, and examine the object's boundary for contact points.

Explanation:

To determine whether a stationary object is involved in a contact interaction, there are several pieces of evidence you can look for. Contact forces must touch or be in contact with an object to cause a change. Some signs of contact interactions include observing a change in an object's state of motion, such as a stationary object starting to move, or a moving object changing direction or speed after an interaction.

Examples of contact forces are normal reaction, friction, tension, and applied forces. For instance, during a collision, two objects exert forces upon each other, and these forces can affect their respective velocities. This interaction conserves momentum if no external forces are acting.

If you cannot directly observe an interaction, you can infer it has occurred by examining the evidence left behind. For example, if you have a scenario where an object of known mass m2 is initially stationary, and after an interaction with another mass m1, you see that m1 has been deflected at a certain angle with a specific speed, you can use conservation of momentum and kinematics to deduce the magnitude and direction of mass m2's velocity post-collision.

Another way to identify contact interactions is by making a drawing of the object and drawing a dashed boundary line around it that separates it from its environment. By examining points on this boundary line, you can identify where other objects might have come into contact with it, indicative of contact forces. Additionally, checking for the presence of a normal force or frictional force will also suggest a contact interaction has occurred.

In case of popsicle and alcohol, heat is absorbed from the surrounding.

In case of lava heat is emitted into the surrounding.

Melting of popsicle is just a change of state from solid to liquid. This is the phenomenon which occurs when the popsicle gets the heat from the surrounding and it absorbs the heat, thereby turning into liquid. So it absorbs heat from the surrounding.

The alcohol when spread on the skin evaporates into vapour. This is the phenomenon of evaporation which occurs when alcohol absorbs heat from the surrounding and thereby turning into vapour.

Similarly, when lava solidifies into solid, the change of state occurs. As lava emits heat into the surrounding, the temperature of the lava goes down, thereby changing it into solid. So it emits heat into surrounding.

Explanation:

hope this helps :)

edge 2021

Answer:

Vegetable oil

Explanation:

because it is nonpolar object

According to the given information ,oxygen is more likely than nitrogen to form a chemical bond ,hence option D is correct.

Electronegativity is the property of an atom which increases with its tendency to attract the electrons of a bond.

If two bonded atoms have the same electronegativity values as each other, they share electrons equally in a covalent bond.

Usually, the electrons in a chemical bond are more attracted to one atom than to the other.

If the electronegativity values are very different, the electrons aren't shared at all. One atom essentially takes the bond electrons from the other atom, forming an ionic bond.

The most electronegative element is fluorine. The least electronegative or most electropositive element is francium.

The information provided  concludes that oxygen is more likely than nitrogen to form a chemical bond hence, option D is correct.

Learn more about electronegativity ,here:

https://brainly.com/question/19004845

#SPJ2

Electronegativity trends show that oxygen is more electronegative than nitrogen and thus more likely to form a chemical bond. Therefore4th option 'oxygen being more likely to form a bond' holds true.

The periodic trend of electronegativity indicates that it increases from left to right across a period and decreases from top to bottom within a group. This trend helps us understand which elements are more likely to attract bonding electrons during chemical reactions.

Given the options, you can determine the likelihood of elements forming bonds:

Therefore, the correct information is that oxygen is more likely than nitrogen to form a chemical bond.

Answer:

I think it will be d 12% it will be true

Answer:

12%

Explanation:

Answer:

contraception, birth control and condoms

Answer:

A non example of a galaxy is a star

Answer:

C it is increasing the amount of 400 to 300 by taking away 100

Final answer:

When the temperature of a gas decreases from 400 K to 300 K according to Charles's law, the volume would decrease proportionally to 3/4 of its original value.

Explanation:

According to Charles's law, which describes the relationship between the volume and temperature of a gas, the volume is directly proportional to its temperature on the Kelvin scale when pressure is constant. This means that if the temperature of the gas decreases, the volume will also decrease proportionally. Thus, if the temperature decreases from 400 K to 300 K, which is a reduction to ⅔ (or 3/4) of the original temperature, the volume will similarly decrease to 3/4 of its original value. Therefore, the correct answer to what would happen to the volume of the gas is:

D. The volume would be 3/4 of its original value.

Answer:

4 tabletes/dose

Explanation:

mass person = (90 Lb)×(Kg/2.20462 Lb) = 40.823 Kg body

amount of medicine = 50 mg/Kg body.day

frecuency = 2 dose/day

⇒ amount of medicine/day =  (50 mg/kg body.day)×(40.823 Kg body) = 2041.168 mg/day

⇒ mg medicine/dose = (20141.168 mg/day)×(day/ 2 dose) = 1020.584 mg medicine/dose

∴ mg medicine/tablet = 250 mg medicine/tablet

⇒ # tabletes/dose = (1020.584 mg medicine/dose)×(tablet/250 mg medicine) = 4.082 tabletes/dose

⇒ # tabletes/dose ≅ 4 tabletes/dose

Answer: 36 moles O2

Explanation:

Do stoichiometry between glucose and oxygen using the mole to mole ration found in the balanced equation:

mole to mole ratio:

1 mole C6H12O6 : 6 moles O2

6 moles C6H12O6 X 6 moles O2 / 1 mole C6H12O6

= 36 moles O2

The moles of oxygen required to consume 6 moles of glucose has been 36 moles.

The balanced chemical equation for the oxidation of glucose has been:
[tex]\rm C_6H_1_2O_6\;+\;6\;O_2\;\rightarrow\;6\;H_2O\;+\;6\;CO_2[/tex]

According to the balanced chemical equation, for oxidation of 1 mole of glucose, 6 moles of oxygen has been required.

The available moles of glucose has been 6.

The moles of oxygen required has been:

[tex]\rm 1\;mol\;glucose=6\;mol\;oxygen\\ 6\;mol\;glucose=6\;\times\;6\;mol\;oxygen\\ 6\;mol\;glucose=36\;mol\;oxygen[/tex]

Thus, the moles of oxygen required to consume 6 moles of glucose has been 36 moles.

Learn more about oxidation, here:
https://brainly.com/question/376562

Answer:

The mass of strontium iodate = 496.07 grams

Explanation:

The balanced equation for the reaction is :

[tex]2RbIO3+Sr(NO_{3})_{2}\rightarrow 2RbNO_{3}+Sr(IO_{3})_{2}[/tex]

Molar mass = mass of substance present in 1 mole of the compound , is called the molar mass.

Here RbIO3 = rubidium iodate

Sr(NO3)2 = strontium nitrate

Sr(IO3)2 = strontium iodate

Molar mass of Sr(NO3)2 = 211.63 g/mol

1 mole Sr(NO3)2 = 211.63 g

Molar mass of Sr(IO3)2 = 437.43 g/mol

1 mole of  Sr(IO3)2 = 437.43 g

According to the balanced equation ,

2 mole RbIO3 = 1 mole Sr(NO3)2 = 2 mole RbNO3 = 1 mole Sr(IO3)2

Hence

1 mole of Sr(NO3)2 is producing = 1  mole  Sr(IO3)2

211.63 gram of Sr(NO3)2 will produce =  437.43 gram Sr(IO3)2

1 gram of Sr(NO3)2 will produce:

[tex]=\frac{437.43}{211.63}[/tex]

240 grams of Sr(NO3)2 will produce:

[tex]=\frac{437.43}{211.63}\times 240[/tex] grams of  Sr(IO3)2

= 496.07 grams of  Sr(IO3)2

The mass of strontium iodate = 496.07 grams

Molar mass calculation :

Sr(NO3)2 = Mass of Sr + 2(Mass of N)+ 6(Mass of O)

= 87.62 +2(14)+6(16)

=211.63 gram/mole

Answer:

D.) The original components retain their individual properties

Explanation:

A pure substance is a substance of constant chemical composition throughout its mass some of the examples of the pure substances are iron, water, oxygen gas, nitrogen gas etc.

A pure substance can in the form of solid, liquid or gas which have constant property. Two or more pure substances combines together to from a mixture after which is not said to be pure substance

For example the one or more atom of the same element is said to be pure but the molecule of two different elements is not said to be a pure substance as they have different property of both of the elements like H2 and H2O where H2 is a pure substance and H2O is not a pure substance.

The pure shows their individual property if they are not combined with other elements or substance as it will not posses individual property.

Answer:

you mean KI? kI potassium K must be a uppercase.

Explanation:

Thats what happened.

CuI is insoluble is water.So Its a precipitation.I2 (iodine) is purple gas...

If you find my answer helpful.make it brainliest

Answer: A

Explanation: Chemical bonds can form when there is a transfer or sharing of electrons since there are different kinds of chemical bonding and not all involve the sharing or transfer of electrons, as in interstitial bonding, and some coordination compounds.

Answer: 5.70 moles H2O

Explanation: 1 mole of H2O is equal to its molar mass which is 18 g.

102.55 g H2O x 1mole H2O / 18 g H2O

= 5.70 moles H2O

Note: the answer is rounded off.

Answer:

2.26

Explanation:

First you should know what are significant figures,

1 . All non - zero digits are significant.

2 . The zero between two non-  zero are significant.Ex 302 has 3 significant figures.

3. The zero before the decimal and before any non-zero digit is non significant. Example : 0.003 has only 1 significant figure.

4. The zero after non zero are non - significant . But the zeros after the decimal point are significant.

300 has only 1 significant figure

300.0 has 4 significant figure

The least number of significant figures present in the number should be there in the final answer of the calculation.

Look at the number having minimum significant digits :

It is 3 (every number has 3- significant figures ) So the answer should also contain 3 - significant figures.

[tex]\frac{0.102\times 0.0821\times 273}{1.01}[/tex]

First solve the numerator part

[tex]\frac{2.285}{1.01}[/tex]

[tex]=2.2635[/tex]

Round off this number to 3 significant figures.

Answer is = 2.26

It has 3 - significant digit since all the digits are non-zero.

Perform the mathematical operation as usual then round the result to the smallest number of significant figures used in the operation. The answer is 2.21.

The provided question involves a mathematical operation, specifically multiplication and division. The main point to consider here is the rule of significant figures. Therefore, first, you have to perform the calculation without considering significant figures, and then round the answer according to the correct rule of significant figures. So, when you do the calculation (0.102 x 0.0821 x 273)/1.01, the raw result is about 2.209843567. To round this result to the correct significant figures, note that the least number of significant figures among the numbers provided is three (in 1.01, 0.102), therefore, the final answer rounded to three significant figures will be 2.21.

Learn more about Significant Figures here:

https://brainly.com/question/33741100

#SPJ3

Answer clouds

Explanation: because that’s a really common place where clouds are

Answer:

The answer is C

Explanation:

When a liquid is heated to a temperature at which particles throughout the liquid have enough kinetic energy to vaporize, the liquid begins to boil. Where must particles have enough kinetic energy to vaporize for boiling to occur?

Answer:this is the right one Throughout the liquid

Throughout the liquid

this is right too When a liquid is heated to a temperature at which particles throughout the liquid have enough kinetic energy to vaporize, the liquid begins to boil. The temperature at which the vapor pressure of the liquid is just equal to the external pressure on the liquid is the boiling point (bp).

but you know

Explanation:

its right

Metals are located on the left of the periodic table, and nonmetals are located on the upper right.

Explanation: Metals: Lustrous (shiny)

Good conductors of heat and electricity.

High melting point.

High density (heavy for their size)

Malleable (can be hammered)

Ductile (can be drawn into wires)

Usually solid at room temperature (an exception is mercury)

Opaque as a thin sheet (can't see through metals)

Nonmetals: High ionization energies.

High electronegativities.

Poor thermal conductors.

Poor electrical conductors.

Brittle solids—not malleable or ductile.

Little or no metallic luster.

Gain electrons easily.

Dull, not metallic-shiny, although they may be colorful

Answer:

Baking a cake

Explanation: Baking a cake causes chemical changes, which heat activates the leavening agents such as flour, which produces gas bubbles, causing the cake to rise.

Which of the following is an example of a chemical change?

A. Holding two magnets together

B. Breaking glass

C. Baking a cake

D. Boiling water

Answer: 0.33M CaBr2

Explanation: Molarity is expressed in moles of solute over liter solution.

M= n solute / L solution

Solution:

First convert mass of CaBr2 to moles using its molar mass

Ca = 40

Br = 80 x 2 answer is 200 g CaBr2.

50.0g CaBr2 x 1 mole CaBr2 / 200 g CaBr2 = 0.25 moles CaBr2

Next convert mL to L

750.0 mL x 1L / 1000mL

= 0.75 L

Substitute the values for M.

M= 0.25 moles CaBr2/ 0.75 L

= 0.33 M CaBr2

Explanation:

one molecule of H2 I think

Explanation:

Seems to me like you have 8H and 2N. You need 3H for every N so 6H total. 8H-6H=2H which is one molecule of H2.

Answer:

Volume of acid Va = 38.70cm3,

Concentration of acid Ca = 1.90M

Volume of Base Vb = 10.30cm3

Concentration of base Cb = ?

Equation of the reaction

H2SO4 + 2NaOH = Na2SO4 + 2H2O

No of mole of acid Na = 1

No of mole of base Nb = 2

CaVa/CbVb = Na/Nb

Cb = CaVaNb/VbNa

Cb = 1.9*38.7*2/10.30*1

Cb = 14.2777M

Explanation:

The molarity of H2SO4 in the question is calculated using the stoichiometry of the neutralization reaction and the definition of molarity, yielding a result of 3.57 M.

According to the neutralization reaction, one molecule of H2SO4 reacts with two molecules of NaOH. This gives us a stoichiometric ratio of mol NaOH: mol H2SO4 = 2:1.

The moles of NaOH used in the reaction can be calculated using its molarity and volume: 1.90 mol/L * 38.7*10- 3 L = 0.07353 mol.

This means there were 0.07353/2 = 0.036765 mol H2SO4 in the 10.30cm³ of solution.

The molarity of H2SO4 can then be calculated using its definition (mol/L) as 0.036765 mol / 10.3*10-3 L = 3.57 M

https://brainly.com/question/33057890

#SPJ3

Answer: The health code covers all issues except Exporting foods

Explanation: Health codes are a set of standards established and enforced by government for health requirements. It is a model for safeguarding public health and ensuring food is unadulterated and honestly presented when offered to the consumer.

Food and Drug Administration is the regulatory body in charge in the USA and their jurisdiction is only limited within the country.

The Code establishes definitions; sets standards for management and personnel, food operations, and equipment and facilities; and provides for food establishment plan review, permit issuance, inspection, employee restriction, and permit suspension.

Health codes address a plethora of public health issues, including measures for workers' health and safety, regulations for importing and exporting foods, and how to handle food service complaints.

Health codes cover a vast range of issues and regulations that relate to the health and safety of the public. This includes workers' health and safety, importing and exporting foods, and food service complaints. These codes aim to uphold hygiene, safety, and good practice in the food service industry, which includes ensuring safe practices are being followed by staff members (workers' health & safety), the quality and integrity of foods being exported/imported, as well as addressing customer complaints regarding the service of food.

https://brainly.com/question/29627727

#SPJ6

The soup should be cooled down to 41°F or lower in the next four hours after being cooled to 70°F in the first two hours. This two-stage cooling method prevents bacterial growth and keeps food safe for consumption.

The question you've asked pertains to safe food storage guidelines, particularly cooling temperatures for prepared foods. After a large pot of soup has been cooled to 70°F within two hours, the U.S. Food and Drug Administration (FDA) recommends that the soup must reach a temperature of 41°F or lower within the next four hours. This second stage of cooling is crucial to prevent the growth of bacteria and to keep the food safe for consumption. This is part of the 'two-stage cooling method', which is recommended for foods like soup to go from their cooked temperature down to a safe refrigerator-storage temperature (40°F or below) within six hours.

This is important to prevent the growth of harmful bacteria such as C. botulinum, which can be present in foods that have not been cooled properly. Keep in mind that after cooling, proper reheating is required to kill any bacteria that may have grown. The minimum reheating temperature usually suggested is 165°F.

https://brainly.com/question/33878419

#SPJ11

To properly cool and prevent bacterial growth, the pot of soup must be cooled to below 4 degrees C (40 degrees F) within the next four hours after it has been cooled to 70 F (21 C) within two hours.

The temperature the soup must reach to be cooled properly is below 4 degrees C (40 degrees F). According to food safety guidelines, perishable foods should not be left at a temperature between 4 and 60 degrees C (40 and 140 degrees F) for more than two hours. Within four hours of beginning the cooling process, the soup should be cooled to refrigerator-safe temperatures to prevent the formation and multiplication of microorganisms, particularly bacteria that thrive in that mid-range temperature 'danger zone'.

Therefore, if the food worker has cooled the soup to 70 F (21 C) within two hours, they must ensure that it reaches the safe refrigeration temperature of 40 degrees F or lower within the next four hours to adhere to proper cooling practices and maintain food safety.

https://brainly.com/question/14511654

#SPJ3

To find the number of atoms in 3.45 g of CO2, we use the concept of moles and Avogadro's number. The number of atoms is approximately 4.71 x 10^22 atoms.

To determine the number of atoms in 3.45 g of CO2, we need to use the concept of moles. Firstly, we need to find the molar mass of CO2, which is approximately 44 g/mol. Next, we can use the formula:

No. of moles = mass / molar mass

Substituting the given values, we get:

No. of moles = 3.45 g / 44 g/mol ≈ 0.078 mol

Finally, we can use Avogadro's number, which states that 1 mole of any substance contains 6.022 x 10^23 particles (atoms or molecules):

No. of atoms = No. of moles x Avogadro's number ≈ 0.078 mol x 6.022 x 10^23 atoms/mol ≈ 4.71 x 10^22 atoms

https://brainly.com/question/32707226

#SPJ11

Answer:

Chemical equations need to be balanced so that they follow the law of conservation of mass.

The Giant Impact Hypothesis posits that the Moon was formed from the debris from a collision between Earth and a Mars-sized object 4.5 billion years ago, which impacted the Moon's orbit and tilt. This tilt affects the occurrence of eclipses because it prevents the Moon, Earth, and Sun from always aligning perfectly. Without the tilt, there would be an eclipse during every full and new moon phase.

The Giant Impact Hypothesis suggests that the Moon was formed from the debris resulting from a collision between the Earth and a Mars-sized object about 4.5 billion years ago. This event is thought to have caused significant effects on the Moon's orbit and its characteristics, including its tilt. This tilt affects the occurrence of eclipses.

During a solar eclipse, the Moon, Earth, and Sun align in a straight line. However, because the Moon's orbit is tilted at about 5 degrees to the Earth's orbit, it does not always cast a shadow on the Earth when it passes between the Earth and the Sun. This is also the case in a lunar eclipse where the Earth is between the Sun and the Moon.

Without this tilt, we would experience a solar and lunar eclipse with every full and new moon phase respectively. Therefore, the Moon's tilted orbit plays a crucial role in the formation of solar and lunar eclipses.

https://brainly.com/question/32374314

#SPJ12