Question 1 for Example 32.7. 1 At what temperature would the mean translational kinetic energy K...
What is the temperature of a sample of gas when the average translational kinetic energy of a molecule in the sample is 8.93 × 10 − 21 J ? temperature: K What is the total translational kinetic energy of all the molecules of this sample, when it contains 1.61 moles of gas? total translational kinetic energy:
An ideal gas is at a temperature of 422 K. What is the average translational kinetic energy (in x10-21 J) of one of its molecules? Round your answer to the nearest decimal place.
SHOW YOUR WORK: Find the Average Kinetic Energy of Helium atoms if: the temperature is 6 x 105 K and the Boltzmann constant is k = 1.38×10−23 J/molecule K
A 39 g ice cube at -69°C is placed in a lake whose temperature is 65°C. Calculate the change in entropy of the cube-lake system as the ice cube comes to thermal equilibrium with the lake. The specific heat of ice is 2220 J/kg-K. (Hint: Will the ice cube affect the temperature of the lake?) Numbe UnitšT J/k the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show Work
Internal Energy of a gas, ldeal Gas Law 1. The average kinetic energy of a molecule, is called thermal energy, it is directly related to absolute temperature. 1 3 KE (average per molecule) mv(average) =kT (kg =1.38x10-23 J/K) 3KBT 2. The average speed of molecules in a gas: vrms+ т where vrms stands for root-mean-square (rms) speed. 3. The INTERNAL ENERGY of a gas is the TOTAL ENERGY of ALL the N atoms and molecules For a MONATOMIC gas, each...
Chapter 12, Question 11 Your answer is partially correct. Try again. Ice melts at 273.15 K with AHfus = 6.01 kJ/mol. An ice cube of mass 23.1 g is dropped into a swimming pool, the temperature of which is held at 22.7°C. (a) What is the entropy change (AS) for melting the ice? as = T28. 23 J K (b) What is AS of the pool? 0.428 AS = J/K (c) What is the overall AS? 28.65 AS = J/K...
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Chapter 15, Problem 064 GO The inside of a Carnot refrigerator is maintained at a temperature of 277 K, while the temperature in the kitchen is 293 K. Using 3757 J of work, how much heat can this refrigerator remove from its inside compartment? the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show Work
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Chapter 15, Problem 078 GO On a cold day, 28000 J of heat leaks out of a house. The inside temperature is 22 °C, and the outside temperature is -23 °C. What is the increase in the entropy of the universe that this heat loss produces? Number Units the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show Work
A force F = cx – 3.00x2 ) i acts on a particle as the particle moves along an x axis, with Ē in newtons, x in meters, and c a constant. At x = 0 m, the particle's kinetic energy is 21.0 ; at x = 4.00 m, it is 12.0 J. Find c. Number Units the tolerance is +/-3% Click if you would like to Show Work for this question: Open Show Work
Question 4 What is the ratio pc/mc for a particle with mass m so that the total energy of the particle is 5.44 times its rest energy? Number Units the tolerance is +/-5% Click if you would like to Show Work for this question: Open Show Work