The partial pressure of CO is 0.536 atom.
Further ExplanationDalton's Law of Partial Pressure states that the total pressure of a mixture of non-reacting gases is equal to the sum of the partial pressures of the individual gases. Mathematically, it can be represented as follows:
[tex]P_{total} \ = P_{1} + P_2 + P_3+...P_n[/tex]
If the total pressure is known as well as the number of moles of the gases in the mixture, the partial pressure of a component as can be calculated using the equation below:
[tex]P_x = P_{total} \times \frac{n_x}{n_total}[/tex]
where:
Pₓ is the partial pressure of gas X
P(total) = total pressure of the mixture
nₓ = number of moles of gas X
n(total) = total number of moles of gas
To solve the problem, first sort the given:
n(total) = 0.220 mol CO + 0.350 mol F₂ + 0.640 mol He = 1.21 molesn(CO) = 0.220 molP(total) = 2.95 atmThen we plug in the given values into the equation above:
[tex]P_{CO} = 2.95 \ atm \times \frac{0.220 mol CO}{1.21 \ mol}\\\\\boxed {\boxed {P_{CO} = 0.536 \ atm}}}[/tex]
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The pressure of CO is [tex]\boxed{{\text{0}}{\text{.536 atm}}}[/tex] .
Further explanation:
Dalton’s law:
According to this law, the total pressure of the gaseous mixture is the sum of partial pressure of each gas. The given mixture contains CO, [tex]{{\text{F}}_2}[/tex] and He. The expression to calculate partial pressure of CO is,
[tex]{P_{{\text{CO}}}} = {X_{{\text{CO}}}}\cdot {P_{{\text{total}}}}[/tex] ….. (1)
Here,
[tex]{P_{{\text{CO}}}}[/tex] is the partial pressure of CO.
[tex]{P_{{\text{total}}}}[/tex] is the total pressure of the mixture.
[tex]{X_{{\text{CO}}}}[/tex] is the mole fraction of CO.
The mole fraction of CO is calculated as follows:
[tex]{X_{{\text{CO}}}} = \frac{{{\text{Number of moles of CO}}}}{{{\text{Total number of moles}}}}[/tex] …… (2)
The formula to calculate total number of moles in the mixture is as follows:
[tex]{\text{Total number of moles}}={\text{Moles of}}\;{\text{CO}}+{\text{Moles of }}{{\text{F}}_2}+{\text{Moles}}\;{\text{of}}\;{\text{He}}[/tex] …… (3)
Substitute 0.220 mol for the moles of CO, 0.350 mol for the moles of [tex]{{\text{F}}_2}[/tex] and 0.640 mol for the moles of He in equation (3).
[tex]\begin{aligned}{\text{Total number of moles}}&={\text{0}}{\text{.220 mol}}+{\text{0}}{\text{.350 mol}}+{\text{0}}{\text{.640 mol}}\\&={\text{1}}{\text{.21 mol}}\\\end{aligned}[/tex]
Substitute 0.220 mol for the moles of CO and 1.21 mol for the total number of moles in equation (2).
[tex]\begin{aligned}{X_{{\text{CO}}}}&=\frac{{{\text{0}}{\text{.220 mol}}}}{{{\text{1}}{\text{.21 mol}}}}\\&= 0.1818\\\end{aligned}[/tex]
The value of [tex]{X_{{\text{CO}}}}[/tex] is 0.1818.
The value of [tex]{P_{{\text{total}}}}[/tex] is 2.95 atm.
Substitute these values in equation (1).
[tex]\begin{aligned}{P_{{\text{CO}}}}&=\left({0.1818}\right)\left({{\text{2}}{\text{.95 atm}}}\right)\\&=0.{\text{53631 atm}}\\&\approx0.{\text{536 atm}}\\\end{aligned}[/tex]
So the partial pressure of CO is 0.536 atm.
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Answer details:
Grade: Middle School
Subject: Chemistry
Chapter: Gases and the kinetic-molecular theory
Keywords: moles, pressure, 0.220 mol, 0.640 mol, 0.0350 mol, 0.536 atm, 2.95 atm, He, CO, F2, moles of CO, moles of F2, moles of He, Dalton law and pressure of CO.
What is the water table?
A. a flat, table-like body of water
B. the bottom surface of underground water
C. the bottom layer of water in oceans, lakes, and rivers
D. the upper surface of underground water
Answer: Option (D) is the correct answer.
Explanation:
Water table is defined as the upper most level of water that is present under the ground surface where there is permanent separation of soil or rocks with water.
Water table is maintained through a natural process as when it rains then the rain water seeps through the ground and reaches below the ground.
Water table is also known as ground water table.
Therefore, we can conclude that the water table is the upper surface of underground water.
Why is hydrogen bonding only possible with hydrogen answer?
What is the expected outcome of adding a catalyst to a chemical reaction?
a.the reaction will speed up.
b.chemical equilibrium will not be reached.
c.the reaction will slow down.
d.no change will occur?
Which element in Group 1 has the greatest tendency to lose an electron?
which option is an example of a physical properties
flammability
pH
toxicity
freezing point
The correct answer would be freezing point. The other three would not be the answer because fammability, ph, and toxicity are all examples of chemical properties.
Gold is a rare metal that is often blended with other metals to lower the cost of jewelry or art. What physical property of gold could help you determine if a piece is pure gold?
Answer:
Physical property is density.
Explanation:
This check needs precision. Gold is a dense metal, 19.32 grams per cubic centimeter. For that you have to calculate the density, weighing the piece on a scale, then you would fill a test tube with water and introduce the piece and note how much the water has risen. Density is defined as the mass divided by the displaced volume. If the result you get is close to 19 it will be a 24-karat gold piece.
When water vapor becomes liquid water due to cooling, it is called _____?
What is the identity of a sample that has a mass of 25.0 g and a volume of 2.38 cm3?
Density of the given sample is 10.50 g /cm³ which is the density of silver.
What is density?Density of a substance is it's mass per unit volume.It is denoted by capital letter 'D'.It has SI unit of kg/m³.For a pure substance, density has numerical value which is same as it's mass.
Different materials have different densities which is found to be relevant to substance's purity and packaging.Osmium and Iridium are densest known elements.
Density is an intensive property because there is a narrow range of densities across the samples. It does not change with respect to the initial mass .It shows how much mass of substance is present in given amount of volume.
For the mentioned data, density is calculated as,mass/volume
which is 25/2.38=10.504 g/cm³
10.504 g/cm³ is the density of silver and hence the sample is of silver.
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Which quantum number determines the energy of an electron in a hydrogen atom? which quantum number determines the energy of an electron in a hydrogen atom? l n e ml n and l?
A Hydrogen atom only contains a single electron (1 e). Therefore for this atom, the quantum number which determines the energy of an electron is best represented only by the principal quantum number. The principal quantum number has a symbol of n.
Answer:
n
Sulfur has an atomic number of 16. What is the electron configuration for an electronically neutral atom of sulfur?Â
Question 1 options:
1 s 22 s 22 p 63 s 23 p 3
1 s 22 s 22 p 63 s 23 p 4
1 s 22 s 22 p 63 s 23 p 6
1 s 22 s 22 p 63 s 23 p 5
The atomic number of sulfur is 16. The electron configuration for an electronically neutral atom of sulfur is 1 s 22 s 22 p 63 s 23 p 5. The correct option is d.
What is electronic configuration?The electronic configuration of an atom is the position of the electrons present inside the atoms. This process identified the position of electrons inside the atoms.
The different shells have different energy levels, and these energy levels are also reflected in the energy of electrons.
So, as the atomic number of sulfur is 16. If its electronic configuration is done. There will be 1 electron is the s orbital, 22 in s2 and 22 in the p orbital. The last orbital has 5 electrons.
Therefore, the electron configuration for an electronically neutral atom of sulfur is 1 s 22 s 22 p 63 s 23 p 5. The correct option is d.
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Which of these is a mixture
A. salad
B. sugar
C. water
D. potassium
A solution is prepared by dissolving 4.68 g of nacl in enough water to produce 40.0 ml of solution. what is the molarity of nacl for the solution?
What is the relationship between the number of protons and the number of electrons in an atom?
A reaction takes place in a bomb calorimeter. if the calorimeter decreases in temperature over the course of the reaction, what are the signs of qcal and qrxn?
Answer:If the calorimeter decreases in temperature over the course of the reaction:
[tex]Q_{rxn}=Positive[/tex]
[tex]Q_{cal}=Negative[/tex](heat is lost by the caloriemter)
Explanation:
Whenever reaction takes place in calorimeter tone out of two things can a happen:
1. If the temperature of calorimeter increases: During a reaction when heat is released in the calorimter. This heat released is then absorbed by the calorimeter (Law of Conservation of Energy) which results in increase in temperature of calorimeter.
Those reaction which add on heat to their surrounding are termed as Exothermic reaction.
[tex]Q_{rxn}=Negative[/tex]
[tex]Q_{cal}=Positive[/tex] (Heat gained by the calorimeter)
2. If the temperature of calorimeter decreases: During a reaction when heat is lost from the calorimter. This heat loss is due to the absorption of heat by reactants during the reaction (Law of Conservation of Energy) which results in decrease in temperature of calorimeter.
Those reaction which absorbs heat from their surrounding are termed as Endothermic reaction.
[tex]Q_{rxn}=Positive[/tex]
[tex]Q_{cal}=Negative[/tex](heat is lost by the caloriemter)
What is formed when atoms of different elements are combined chemically?
How many liters of a 0.45% half-normal saline (m/v) solution for iv therapy can be prepared from 33 grams of sodium chloride?
Saturated fats are typically liquid at room temperature. saturated fats are typically liquid at room temperature.
a. True
b. False
In order to amend the Articles of Confederation, how many votes were needed? A) 7 B) 9 C) 10 D) 13
The number of valence electrons found in an atom of a group a element is equal to
Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3. 42.4 ml 23.6 ml 18.5 ml 87.9 ml 31.2 ml
The volume of the object is 23.06 cm³
We have an object of given mass and density.
We have to calculate the volume of this object.
How is the Mass and Density of a body related to each other?The following relation exists between mass and density -
m = d x v
d - density of body
m - mass of body
v - volume of body
According to the question -
m = d x v
Rewrite the relation as follows -
v = m/d
Substitute the values -
v = 455.6 / 19.3 = 23.06 cm³.
Hence, the volume of the object is 23.06 cm³.
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How does ph affect enzyme-catalyzed reactions?
Each enzyme has an optimum pH level at which it shows its highest activity. Below or above this pH, the activity level probably decreases.
What are enzymes ?Enzymes are biological catalysts in living bodies. There are thousands of individual enzymes present in human body itself. Each enzymes are having their specific functions.
Enzymes have a pocket like receptor structure on which the substrate can attach. Hence enzymes provide a perfect platform for a chemical reaction. Each enzymes has an optimum pH and temperature at which it can shows it highest activity.
For example, the enzyme pepsin functions in digestion in humans works at a pH of 2. Similarly the enzyme amylase will be active only at pH around 7. This way, enzymes activity is significantly dependent on the pH.
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Write the electron configurations of cu2+ and ag+. is each electron configuration consistent with the color you observed for each cation? explain.
The electron configuration of copper cation:
₂₉Cu²⁺ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁹ or [Ar] 3d⁹.
The electron configuration of copper cation:
₄₇Ag⁺ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ or [Kr] 4d¹⁰.
Copper and silver lose their outer s-orbital electrons before they lose their outer d-orbital electrons.
Each electron configuration is consistent with the color, copper solution is blue, silver solution is colorless.
The electron configuration of Cu²⁺ is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁹. The electron configuration of Ag⁺ is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰.
The observed color of Cu²⁺ is typically blue, while the observed color of Ag⁺ is colorless. The electron configurations of these cations are consistent with their observed colors.
Electronic configuration refers to the arrangement of electrons in an atom, ion, or molecule. It describes the distribution of electrons among different energy levels, orbitals, and subshells within an atom or ion.
The electronic configuration is represented using a notation that indicates the energy levels (principle quantum numbers), subshells (s, p, d, f), and the number of electrons in each subshell. The Aufbau principle, Pauli exclusion principle, and Hund's rule are used to determine the order of filling the orbitals and the spin states of the electrons.
Cu²⁺ has an incomplete d-orbital with 9 electrons, which gives rise to a blue color due to the absorption of light in the visible spectrum. The absorption of light corresponds to the promotion of an electron from a lower energy d-orbital to a higher energy level.
On the other hand, Ag⁺ has a fully filled d-orbital with 10 electrons, which does not result in the absorption of visible light. As a result, Ag⁺ appears colorless.
The observed colors of Cu²⁺ and Ag⁺ ions are a result of the electronic configuration and the interaction of light with the d-electrons in the transition metals.
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Stand on a bathroom scale and read your weight. When you lift one foot up so you’re standing on one foot, does the reading change? Does a scale read force or pressure?
What is the electronic configuration of a selenium atom (se)?
Answer:
[tex]1s^{2}2s^{2}2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{10} 4p^{4}[/tex]
Explanation:
For this exercise is necessary to know the atomic number of Se, which is 34 and indicate the numbers of electrons that has this atom.
For the electronic configuration you just need to follow the direction of the arrow indicated in the attached image, which shows the distribution of the electrons in the atomic orbitals, until complete the 34 electrons that has the selenium atom. The super index indicates the number of electrons in a specific atomic orbital. Then the electron configuration of selenium atom is:
[tex]1s^{2}2s^{2}2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{10} 4p^{4}[/tex]
When water evaporates from salt is it a chemical or physical change?
Round the following answer correctly. 5.40m x 3.21m x 1.871m = 32.431914 m^3
The raw result of 32.431914 m³ should be rounded to 3 significant figures. Therefore, it becomes 32.4 m³.
Identify Significant Figures:
5.40 m has 3 significant figures.3.21 m has 3 significant figures.1.871 m has 4 significant figures.Calculate the Raw Product:
The raw product of these measurements is 5.40 m x 3.21 m x 1.871 m = 32.431914 m³ (as given).
Determine Significant Figures for Final Answer:
When multiplying, the result should have the same number of significant figures as the measurement with the fewest significant figures. In this case, that is 3 significant figures (from 5.40 m and 3.21 m).
You are assembling cars, and your job is to put the wheels on the vehicles. You have 3520 wheels, 14040 nuts (4 nuts needed per wheel) and 1000 car bodies at the start of the day (you have time to do more than 1000, and there will be no deliveries of additional parts during the day).
How many possible cars can roll off the assembly line?
What is the limiting reagent in this case?
If you only get to put the wheels on 850 cars that day, what is your productivity?
If an atom has 104 electrons, 157 neutrons, and 104 protons, what is its approximate atomic mass?
The atomic mass of the atom with 104 protons and 157 neutrons has been 261 amu.
An atom has been consisted of the positively charged nucleus and the negatively charged electrons revolving around the nucleus. The nucleus has been consisted of neutrons and protons.
The transfer of electrons between the atoms impart charge to the atom and helps in the reactivity of the atom. The atomic mass in an atom has been the mass of the nucleus. It has been a constant quantity in an atom.
Since the atomic mass has been the mass of the nucleus:
Atomic mass = Neutrons + Protons
Atomic mass = 157 + 104
Atomic mass = 261 amu
The atomic mass of the atom with 104 protons and 157 neutrons has been 261 amu.
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How many protons are in Florine whose atomic number is 9 and atomic mass is 19? *
9
10
19
28
Sea water, a solution composed of a variety of salts dissolved in water. the salt is the