Thermodynamics

Question 1

Define state function.

Answer 1

A property whose value does not depend on the path taken to reach that specific value.

Question 2

How do you calculate the energy per particle?

Answer 2

Divide the energy (J) by avogadro’s constant.

Question 3

How do you convert kelvin into celsius?

Answer 3

0K = -273⁰C

Question 4

How do you convert Fahrenheit into celsius?

Answer 4

F = [(9/5) x (C)] + 32

Question 5

What is the system?

Answer 5

the object experiencing the thermodynamic transformation

Question 6

What are the surroundings?

Answer 6

any part of the universe in direct contact with the system

Question 7

What does the law of conservation of energy state?

Answer 7

When system absorbs an amount of heat (Q) from surroundings and does quantity of work (W), the internal energy change is calculated by: ΔE = Q - W.

Question 8

What are the three methods of heat transfer?

Answer 8

Convection
Conduction
Radiation

Question 9

What happens when metal is heated?

Answer 9

It expands at a rate proportional to the change in temperature it experiences.