The number of molecules are in the evacuated lining.

Question

Want to see the full answer?

Answer 1

Question

Chapter 19, Problem 41PQ

(a)

To determine

The number of molecules are in the evacuated lining.

(b)

To determine

The number of moles in thermos lining.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

An ideal gas has a pressure of 3.00 atm, a volume of 4.50m³ , and a temperature of 460K . a. How many moles of gas are there? b. How many gas molecules are there? What is the number density of gas molecules? C.

A bicycle tire has a pressure of P1 = 6.95 × 105 Pa at a temperature of T = 19.5°C and contains V = 2.00 L of gas. a. You open the valve on the bicycle tire and let out an amount of air which has a volume Va at atmospheric pressure Pa and at the temperature T of the tire. How many moles will be in this amount of air, in terms of variables given in the problem statement? b. What will the pressure of the tire be now, in terms of the variables given in the problem statement? Assume the tire temperature and volume remain constant. c. What will this pressure be, in pascals, if the amount of air let out was 110 cm3?

1340 moles of monatomic helium gas, in a sealed chamber, has a total internal kinetic energy (all molecules collectively) of 4.20 x 10° Joules. The gas pressure is 10° Pa. a. What is the temperature of the gas? b. What is the average kinetic energy per molecule? c. What is the volume of the gas? d. What is the molar heat capacity at constant volume, C.? e. What is the rms speed of the molecules in the gas?