ΔT
Change in temperature (degrees Celsius)
Boiling
Endothermic
Raising the temperature of water from 20C to 40C
q=mcΔT
What is the scientific notation for 100
1 x 102
When doing metric conversions, you should ALWAYS be multiplying or dividing by powers of what number?
10
q
Heat (J)
Volcanic Eruption
exothermic
Boiling water in a pot to make spaghetti.
q=mHV
5.2 x 10-3 in standard form
0.0052
This many meters are in a kilometer
1000 or 103
HV
Heat of Vaporization (J/g)
A solar panel harvesting sunlight
Endothermic
Cooling down gaseous water vapor from 140C to 117C
q=mcΔT
What is 1.274 x 105 in standard form
127400
This many meters are in 15km
15,000m
Hf
Heat of fusion (J/g)
Condensation
Exothermic
Water condensing on the outside of a cold water bottle on a hot day.
q=mHV
What is 0.00004582 in scientific notation
4.582 x 10-5
This many grams are in 54.75kg
54750g
c
specific heat capacity (j/gC)
When you mix baking soda and vinegar in a beaker, the beaker feels cold to the touch. Is this process endothermic or exothermic?
Endothermic
Raising the temperature of copper from 20C to 1085 to completely melt it.
1. q=mcΔT
2. q=mHf
Express 4.7 in scientific notation
4.7 x 100
How many meters are there in 7500 centimeters?
75m