Problem Solving Strategies
•
Use consistent units
•
Transfers in energy are given as
Q=mc
Δ
T
for processes with no phase changes
•
Use Q = m L
f
or Q = m L
v
if there is a phase
change
•
In Q
cold
= - Q
hot
be careful of sign
–
Δ
T is T
f
- T
i
–