How does the entropy of the system change when: a.) the temperature of the system increases b.) the volume of a gas...
a.) the temperature of the system increases
b.) the volume of a gas increases
c.) equal volumes of ethanol and water are mixed to form a solution
Please provide why it increases or decreases.
Homework Answers
b) the entropy of the system increases
c) the entropy of the system increases
Add Answer to:
How does the entropy of the system change when: a.) the temperature of the system increases b.) the volume of a gas...
How does the molar entropy of a substance change with increasing temperature? A) The molar entropy of a substance in...
How does the molar entropy of a substance change with increasing temperature? A) The molar entropy of a substance increases with increasing temperatures. B) The molar entropy of a substance decreases with increasing temperatures.
1. How does the entropy of the system change when (1 point each) a. A gas...
1. How does the entropy of the system change when (1 point each) a. A gas decomposes to products in solid states b. Fog decomposes to dry ice. C. A "new" gun used on the movie "eraser" vaporizes a human when they are hit d. A lake melts to go swimming
9. When the temperature of a gas is increased at constant volume, how do the following...
9. When the temperature of a gas is increased at constant volume, how do the following properties change? Collision Frequency Mean Free Path Average Speed increases increases increases increases decreases decreases decreases increases increases decreases no change no change increases decreases decreases
Number five temperature increases and entropy increases temperature is unchanged and entropy increases temperature increases and...
Number five
temperature increases and entropy increases
temperature is unchanged and entropy increases
temperature increases and entropy us unchanged
temperature increases and entropy decreases
number 6
none
temperature increases and entropy increases
temperature is unchanged and entropy increases
temperature increases and entropy us unchanged
temperature increases and entropy decreases
Number seven
spontaneous at all temperatures
Non-spontaneous at all temperatures
not enough information
spontaneous at low temperature only
spontaneous at high temperature only
5. Choose best answer from drop-down menu: 3...
Indicate whether the entropy of the system increases or decreases for each of the following processes....
Indicate whether the entropy of the system increases or decreases for each of the following processes. Include a BRIEF explanation. Make up a process for (d) and indicate if the entropy of the system increases or decreases in that process, and provide a brief explanation as well. a) Water boiling at 100.0°C b) 2H2(g) + O2(g) ---> 2H2O(g) c) liquid water freezes at 0.0°C d) e) water vapor expanding from 1.0L of volume to 2.0L of volume f) mixing 10mL...
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,...
7. a) How might the entropy change when the temperature of of a system is increased...
7. a) How might the entropy change when the temperature of of a system is increased as represented in the following figure? You must justify your answer! SKInW; Ko=1.38 x 10-2 co 50 K 25 K b) Describe how a molecules structure might effect the entropy of a system.
A 9.50-mol sample of H2 gas is contained in the left side of the container shown...
A 9.50-mol sample of H2 gas is contained in the left side of the container shown below, which has equal volumes on the left and right. The right side is evacuated. When the valve is opened, the gas streams into the right side. Valve H Vacuum (a) What is the entropy change of the gas? CJ/K (b) Does the temperature of the gas change? Assume the container is so large that the hydrogen behaves as an ideal gas. The temperature...
Sample problems 3: How does the entropy of the system change when the following occur: a)...
Sample problems 3: How does the entropy of the system change when the following occur: a) a so vaporizes; ce) a solid dissolves in water; d) a gas liquefies? as 2. The normal boiling point of methanol (CHsOH) is 64.7 Co, and its molar enthalpy of vaporization is Hap -71.8 kJ/mol. A) When CHoOH 1) boils at its normal boiling point, does its entropy increase or decrease? B) Calculate the value of AS when 1.00 mol of CHOH() is vaporized...
ADVANCED MATERIAL Predicting qualitatively how entropy changes with temperature and volume For each system listed in...
ADVANCED MATERIAL Predicting qualitatively how entropy changes with temperature and volume For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave Sunchanged. If you don't have enough information to decide, check the "not enough information" button in the last column Change System AS O ASCO ASO A few moles of helium ( gas. The helium...
1. How does the entropy of the system change when (1 point each) a. A gas decomposes to products in solid states b. Fog decomposes to dry ice. C. A "new" gun used on the movie "eraser" vaporizes a human when they are hit d. A lake melts to go swimming
9. When the temperature of a gas is increased at constant volume, how do the following properties change? Collision Frequency Mean Free Path Average Speed increases increases increases increases decreases decreases decreases increases increases decreases no change no change increases decreases decreases
Number five
temperature increases and entropy increases
temperature is unchanged and entropy increases
temperature increases and entropy us unchanged
temperature increases and entropy decreases
number 6
none
temperature increases and entropy increases
temperature is unchanged and entropy increases
temperature increases and entropy us unchanged
temperature increases and entropy decreases
Number seven
spontaneous at all temperatures
Non-spontaneous at all temperatures
not enough information
spontaneous at low temperature only
spontaneous at high temperature only
5. Choose best answer from drop-down menu: 3...
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,...
7. a) How might the entropy change when the temperature of of a system is increased as represented in the following figure? You must justify your answer! SKInW; Ko=1.38 x 10-2 co 50 K 25 K b) Describe how a molecules structure might effect the entropy of a system.
A 9.50-mol sample of H2 gas is contained in the left side of the container shown below, which has equal volumes on the left and right. The right side is evacuated. When the valve is opened, the gas streams into the right side. Valve H Vacuum (a) What is the entropy change of the gas? CJ/K (b) Does the temperature of the gas change? Assume the container is so large that the hydrogen behaves as an ideal gas. The temperature...
Sample problems 3: How does the entropy of the system change when the following occur: a) a so vaporizes; ce) a solid dissolves in water; d) a gas liquefies? as 2. The normal boiling point of methanol (CHsOH) is 64.7 Co, and its molar enthalpy of vaporization is Hap -71.8 kJ/mol. A) When CHoOH 1) boils at its normal boiling point, does its entropy increase or decrease? B) Calculate the value of AS when 1.00 mol of CHOH() is vaporized...
ADVANCED MATERIAL Predicting qualitatively how entropy changes with temperature and volume For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave Sunchanged. If you don't have enough information to decide, check the "not enough information" button in the last column Change System AS O ASCO ASO A few moles of helium ( gas. The helium...
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