Question 1
Question
Thermodynamics is the study of the flow and transformation of energy in the universe.
Question 2
Question
In the zeroth law how much net flow of heat flows between the objects?
Question 3
Question
What is a major characteristic of absolute zero and what is its measurement?
Answer

no thermal energy 0 K

no thermal energy 0 J

no thermal energy 0 D
Question 4
Question
celsius to fahrenheit is Tf=(9/5)Tc+31
Question 5
Question
The change of temperature in solids results in a change in their ________.
Question 6
Question
The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T)
α = coeff. of linear expansion (specific to material)
L is the original length
Question 7
Question
The change of temperature in liquids results in a change in their ________.
Question 8
Question
The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T)
where β = 3α
β = coefficient of volume expansion (in K¹ or °C¹)
V is original volume
Question 9
Question
First Law of Thermodynamics (internal energy)
Answer

∆ U= ±Q + ±X

∆ U= ±Q + ±W

∆ U= ±Q + ±Z
Question 10
Question
Work done by the system is...
Answer

positive

negative

neutral
Question 11
Question
Work done on the system is...
Answer

positive

negative

neutral
Question 12
Question
What are the three ways by which heat can be transfer E? Check all that apply.
Answer

conduction

convection

radiation
Question 13
Question
The direct transfer of energy from molecule to molecule through molecular collisions is called _______.
Answer

condution

convection

radiation
Question 14
Question
When temperature increases, density decreases.
Question 15
Question
How many joules (E) does it take to raise 1kg of water by 1 degree?
Answer

4,194 J/ kg °C

4,394 J/ kg °C

4,184 J/ kg °C