Thermodynamics is the study of the flow and transformation of energy in the universe.
Answer
True
False
Question 2
Question
In the zeroth law how much net flow of heat flows between the objects?
Answer
1
0
2
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
Answer
True
False
Question 5
Question
The change of temperature in solids results in a change in their ________.
Answer
width
height
length
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
Answer
True
False
Question 7
Question
The change of temperature in liquids results in a change in their ________.
Answer
weight
length
volume
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 K-¹ or °C-¹)
V is original volume
Answer
True
False
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.
Answer
True
False
Question 15
Question
How many joules (E) does it take to raise 1kg of water by 1 degree?