Laws
Formulas
Math Problems
100

The 1st law of thermodynamics builds upon the law of ____ __ _____

What is the conservation of energy?

100

The formula for the first law of thermodynamics

What is Delta U = Q (heat added) - W (work done by system)?
100

If a system does 10 J of work on its surroundings while liberating 5 J of heat, the change in internal energy

What is -5 J

200

The 2nd Law of thermodynamics -- what it say about heat engines

What is no heat engine can convert 100% of thermal energy into work?


200

Formula for adiabatic systems change in internal energy according to the 1st law of thermodynamics

What is delta U = -W (work done by system)

200

A gas is kept in a container at a constant pressure of 4 × 10⁵ N/m². If the initial volume is 2 m³ and the gas expands to three times its initial volume, calculate the work done by the system

What is 1.6 * 106 J

300

According to the 1st Law of Thermodynamics, what is the effect on the change in internal energy of the system if heat is added to the system but no work is done by the system?

What is internal energy increases?

300

For gases at constant pressures, the work done by a gas

What is W = P * delta V

300

The amount of energy required to raise the temperature of a 10.0 g water sample from 284 K to 294 K (given that the specific heat capacity of water is 4.184 J/g*K)



What is 418.4 J?