How many calories are needed to raise the temperature of 2g of water 3 C?

Question

asked Jul 9, 2021 47.9k views

1 Answer

Christabel · Answer 1 · 2021-07-13T22:05:36+0000

Answer:

The number of calories needed is 6c.

Step-by-step explanation:

The amount of energy
needed to raise the temperature
$\Delta T$ of water of mass
is

$Q = mC\Delta T$

where
$C = 1cal/g\cdot C$ is the specific heat capacity of water.

Putting in numbers into equation (1), we get:

$Q = (2g)(1)(3^oC )\\$

$\boxed{Q = 6\:cal }$

which is the number of calories needed.