Question

Which of the following occurs during heat transfer between a hotter body and a colder body?


Thermal energy of the hotter body decreases and kinetic energy of the hotter body increases.

Thermal energy is absorbed by the colder body and the average kinetic energy of its particles increases.

The colder body transfers thermal energy to the hotter body and the average kinetic energy of the colder body particles decreases.

The transfer of thermal energy creates friction which warms both objects and increases the kinetic energy of their particles.

Answer 1

Thermal energy is absorbed by the colder body and the average kinetic energy of its particles increases.

Answer 2

What amount of heat is exchanged when 16.02 grams of substance Y goes from a gas at 62 degrees Celsius to a liquid at 62 degrees Celsius? Boiling point of substance Y = 62 degrees C; ΔHvaporization = 9.22 J/mol; ΔHfusion = 2.77 J/mol. MWsubstance y = 14.77 g/mol.


−1.47 x 10^2 J

−10.0 J

3.00 x 10^0 J

1.00 x 10^2 J

Answer 3

3.00*10^0