Homework Answers
7) Answer is b).
Monoatomic gas has three translational degree of freedom and diatomic gas has five degree of freedoms, three translational and two rotational. Hence, it require more energy to spin diatomic molecule thus require high heat to raise it's temperature.
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b. 7. Why does it take more heat to increase the temperature of diatomie gas vs. monoatomic gas (why the heat capac...
(a) How much heat does it take to increase the temperature of 2.70 mol of a...
(a) How much heat does it take to increase the temperature of 2.70 mol of a diatomic ideal gas by 26.0 K near room temperature if the gas is held at constant volume? (b) What is the answer to the question in part(a) if the gas is monatomic rather than diatomic?
Why does the pressure of a gas sample increase when the temperature is increased? Assume the...
Why does the pressure of a gas sample increase when the
temperature is increased? Assume the volume remains constant.
Select all that apply.
Why does the pressure of a gas sample increase when the temperature is increased? Assume the volume remains constant. Select all that apply. Choose one or more: O A. The average kinetic energy of the gas increases as the temperature increases, causing more energetic collisions with the walls. O B. As the temperature of the gas increases,...
Physics Help. 1. The difference between heat and temperature is: none, there is no difference heat...
Physics Help.
1. The difference between heat and temperature is: none, there is no difference heat is only warm, while temperature can be both hot or cold temperature measures the avg kinetic energy of some molecules and heat is the energy that can raise that kinetic energy heat measures the avg kinetic energy of some molecules and temperature is the energy that can raise that kinetic energy 2. The kinetic energy of a two kilogram ball moving at 5 meters/second...
a.) What does a partition function represent in statistical thermodynamics? A. The number of rotational symmetry...
a.) What does a partition function represent in statistical thermodynamics? A. The number of rotational symmetry elements of a molecule with more than 2 atoms. B. The number of thermally accessible energy levels at a given temperature. C. The number of molecules that partition themselves between the liquid and the gas phase of a substance b.) The constant volume heat capacity for a monoatomic gas is equal to: A. RT B. R C. 32 RT D. 3/2 R c.) The...
Decide which of the following statements are true and which are false. True Real gas molecules...
Decide which of the following statements are true and which are false. True Real gas molecules have a volume and exert attractive forces on one another. False As temperature increases, the average kinetic energy of a sample of gas molecules decreases. False In order for two separate 1.0 L samples of O2(g) and H2(g) to have the same average velocity, the O2(g) sample must be at a higher temperature than the H2(g) sample. False At constant temperature, the lighter the...
This problem will review one of the questions in the ideal gas, but with numbers: You...
This problem will review one of the questions in the ideal gas, but with numbers: You have one container of hydrogen, and another container of oxygen. The number of molecules, temperature and volume are the same for both gases. Oxygen is, however, heavier than hydrogen. How does the average kinetic energy of hydrogen compare to oxygen? Hydrogen has LARGER average kinetic energy than oxygen. Hydrogen has THE SAME average kinetic energy as oxygen. Hydrogen has LESS average kinetic energy than...
When the temperature of a certain solid, rectangular object increases by Delta T, the length of...
When the temperature of a certain solid, rectangular object increases by Delta T, the length of one side of the object increases by 0.010% = 1.0 10^-4 of the original length. The increase in volume of the object due to this temperature increase is A. 0.01% = 1.0 10^-4 of the original volume. B. (0.010)^3 % = 0.0000010% = 1.0 10^-4 of the original volume. C. (1.0 10^-4)^3 = 0.0000000001% = 1.0 10^-12 of the original volume. D. 0.030% =...
13. Select the correct statement below regarding H2O and SH2. a) both molecules are nonpolar b)...
13. Select the correct statement below regarding H2O and SH2. a) both molecules are nonpolar b) both molecules are polar c) H2O is polar, but SH2 is nonpolar d) SH2 is polar, but H2O is nonpolar 15. Select the correct statement a) a double bond consists of two pi bonds b) a triple bond consists of three pi bonds c) a single bond consists of one sigma bond d) all statements are correct17. Select the incorrect statement. a) Gases molecules...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6.01 kJ/mol. The molar heat of fusion (AH) of ice is the amount of heat required to melt 1 mole of ice experiment is to determine the molar heat of fusion of ice and compare the experimental Definition Heat of fusion of ice is the amount of heat required to melt ice. The more the ice to melt,...
1. Select the two compounds that are more likely to be a gas at room temperature...
1. Select the two compounds that are more likely to be a gas at room temperature (as opposed to a liquid). CH4 CH3OH C2H6 H2O 2. The separation of charges within a polar molecule is called a(n) ________. polar bond strong attraction dipole ionic bond dipole-dipole 3. Which of the following intermolecular forces best describes why nonpolar molecules like gasoline (C8H18) have only limited solubility in water? dipole-dipole ion-dipole Both dipole-dipole and induced dipole-induced dipole induced dipole-induced dipole dipole-induced dipole...
(a) How much heat does it take to increase the temperature of 2.70 mol of a diatomic ideal gas by 26.0 K near room temperature if the gas is held at constant volume? (b) What is the answer to the question in part(a) if the gas is monatomic rather than diatomic?
Why does the pressure of a gas sample increase when the
temperature is increased? Assume the volume remains constant.
Select all that apply.
Why does the pressure of a gas sample increase when the temperature is increased? Assume the volume remains constant. Select all that apply. Choose one or more: O A. The average kinetic energy of the gas increases as the temperature increases, causing more energetic collisions with the walls. O B. As the temperature of the gas increases,...
Physics Help.
1. The difference between heat and temperature is: none, there is no difference heat is only warm, while temperature can be both hot or cold temperature measures the avg kinetic energy of some molecules and heat is the energy that can raise that kinetic energy heat measures the avg kinetic energy of some molecules and temperature is the energy that can raise that kinetic energy 2. The kinetic energy of a two kilogram ball moving at 5 meters/second...
a.) What does a partition function represent in statistical thermodynamics? A. The number of rotational symmetry elements of a molecule with more than 2 atoms. B. The number of thermally accessible energy levels at a given temperature. C. The number of molecules that partition themselves between the liquid and the gas phase of a substance b.) The constant volume heat capacity for a monoatomic gas is equal to: A. RT B. R C. 32 RT D. 3/2 R c.) The...
Decide which of the following statements are true and which are false. True Real gas molecules have a volume and exert attractive forces on one another. False As temperature increases, the average kinetic energy of a sample of gas molecules decreases. False In order for two separate 1.0 L samples of O2(g) and H2(g) to have the same average velocity, the O2(g) sample must be at a higher temperature than the H2(g) sample. False At constant temperature, the lighter the...
When the temperature of a certain solid, rectangular object increases by Delta T, the length of one side of the object increases by 0.010% = 1.0 10^-4 of the original length. The increase in volume of the object due to this temperature increase is A. 0.01% = 1.0 10^-4 of the original volume. B. (0.010)^3 % = 0.0000010% = 1.0 10^-4 of the original volume. C. (1.0 10^-4)^3 = 0.0000000001% = 1.0 10^-12 of the original volume. D. 0.030% =...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6.01 kJ/mol. The molar heat of fusion (AH) of ice is the amount of heat required to melt 1 mole of ice experiment is to determine the molar heat of fusion of ice and compare the experimental Definition Heat of fusion of ice is the amount of heat required to melt ice. The more the ice to melt,...
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