- #1
jack1234
- 133
- 0
How many calories of heat are required to raise the temperature of 5 kg of water from 60° to the boiling point? Select the correct answer.
a. 4.2 x 10^5
b. 2 x 10^5
c. 7.5 x 10^4
d. 18 x 10^5
e. 420
The answer is a, but what I calculate
Q=mcdeltaT
=5*4186*1
=20930
is b, am I doing anything wrong?
a. 4.2 x 10^5
b. 2 x 10^5
c. 7.5 x 10^4
d. 18 x 10^5
e. 420
The answer is a, but what I calculate
Q=mcdeltaT
=5*4186*1
=20930
is b, am I doing anything wrong?