PHY_10_7_V2_DM_Adiabatic process

1 pair

 1. When giving the thermodynamic system 60J of heat, it worked 25 J. How has the system's internal energy changed?

2. What is the internal energy of helium 4 g of 127 ° C? (M (N) = 4 * 10^-3 kg / mol)

2 pair

1. At adiabatic increase, the gas operated 200 J. How did the gas's internal energy change?

2. The ideal gas of one atom is heated to 50 K at 2 ml. Change in gas's internal energy? (R = 8.31 J / mol)

3 pair

1. The amount of heat supplied to the gas during the isothermal process Q. What kind of gas did it work?

2. What is the change in internal energy when the number of molecules increases from about 10 ° C to 10 ° C, and the ideal gas temperature varies from 73 ° C to 127 ° C?3 pair

4 pair

1. During the isothermal process the gas operated 2.3 kJ. What is the amount of heat obtained by the gas?

2. The amount of heat needed to heat up 500 g of iron-from -100C to + 100⁰C (the own thermal capacity of the iron is 780J / kg⁰C)

5 pair

1. During the adiabatic compression, the external forces operated 750 J. How did the gas's internal energy change?

2. Determine the amount of heat needed to heat the hexagonal helium by 100 K and the gas performance in mass 4 kg? (M = 4 * 10^-3 kg / mol).