Question

Calculate heat required to raise the temperature of 1g of water. By 1c

Answer 1

⏩ 1 calorie will raise 1 gram of water 1 degree Celsius. If 1 g of water is given 2 calories, its temperature will go up 2 degrees. Melting ice at 0 degrees Celsius: It takes 80 calories to melt 1 gram of ice.


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Answer 2

Given :

Weight of water , m = 1 g .

To Find :

Heat required to raise the temperature of 1 g of water by $1^oC$ .

Solution :

We know , heat required is given by :

$Q=mC\Delta T$

Here , C is the specific heat of water i.e C = 4.186 joule/gram °C .

Putting all values in above equation .

We get :

$Q=1\times4.186\times 1\\Q=4.186\ J$

Therefore , Heat required to raise the temperature of 1 g of water by $1^oC$ is 4.186 J .

Learn More :

Thermodynamics

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