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Thermochemistry Vocab
Test Description: Thermochemistry vocab
Instructions: Answer all questions to get your test result.
1) Heat is measured in
A
watts
B
units
C
meters
D
joules
2) the study of the transfer of energy as heat accompanying physical and chemical changes
A
thermochemistry
B
electrochemistry
C
heat chemistry
D
phase chemistry
3) 15 degrees celcius is how many degrees kelvin?
A
288.15 K
B
258.15 K
C
383 K
D
273.15 K
4) the energy transferred between samples of matter becuase of a difference in their temperatures
A
heat
B
speed
C
what is energy?
D
calories
5) heat always tends to travels from
A
what is heat?
B
lower temperatures to higher temperatures
C
higher temperatures to lower temperatures
D
it doesnt travel
6) the amount of energy required to change 1gram of a substance 1 degree celcius or one kelvin
A
ideal heat
B
latent heat
C
travelled heat
D
specific heat
7) during a change of state (ex solid to liquid), what happens to the temperature of the substance?
A
it doubles
B
it decreases
C
it does not change
D
it increases
8) the heat transferred during a change of state is called
A
latent heat
B
phase heat
C
specific heat
D
ideal heat
9) latent heat of fusion means is the amount of heat needed to __________ 1kg of substance without changing its temperature
A
vaporize
B
fuse
C
evaporate
D
melt
10) 300 Kelvin is equal to how many degrees celcius?
A
573.15 degrees celcius
B
273.15 degrees celcius
C
30 degrees celcius
D
26.85 degrees celcius
*select an answer for all questions
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