Science, asked by raizapagdatoon, 18 days ago

how much energy is required to heat 50g of water from 20c to 80c?how much energy is required to heat 50g of water from 20c to 80c? the specific heat capacity of water is 4.184 J/g °C. ​

Answers

Answered by christiano123777
0

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Answered by PoojaBurra
1

The energy required is 12,552 Joules.

Given - Mass and temperature range

Find - Energy required

Solution - The energy required in both the cases can be calculated by the relation -

Q = m × c × ∆t. In this relation, Q is heat, m is mass, c is specific heat capacity and t is change in temperature.

∆t = t_{2} \:  -  t_{1}

Here,  t_{2} represents final temperature and  t_{1} represents initial temperature.

Calculating energy required when mass is 50 grams.

Keep the values in formula to find the heat energy required.

Q = 50 × 4.184 × (80 - 20)

Q = 209.2 × 60

Q = 12,552 Joules

Hence, the heat energy required is 12,552 Joules.

#spj2

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