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Byju's Answer

Standard XII

Chemistry

Hess' Law

106.25 J of h...

Question

$106.25 J$ of heat energy is supplied to a solid of specific heat capacity $0.8 J g^{- 1} C^{- 1}$ . Its temperature changes by ${1.0625}^{o} C$ . The mass of the substance is

5 g

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25 g

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625 g

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125 g

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Solution

The correct option is C $125 g$
As $Q = m c Δ T$
Mass of substance $= \frac{106.25}{0.8 (1.0625)} = 125 g$

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106.25 J of heat energy is supplied to a solid of specific heat capacity 0.8 Jg−1C−1. Its temperature changes by 1.0625oC. The mass of the substance is

The correct option is C 125 gAs Q=mcΔTMass of substance =106.250.8(1.0625)=125g

$106.25 J$ of heat energy is supplied to a solid of specific heat capacity $0.8 J g^{- 1} C^{- 1}$ . Its temperature changes by ${1.0625}^{o} C$ . The mass of the substance is

The correct option is C $125 g$
As $Q = m c Δ T$
Mass of substance $= \frac{106.25}{0.8 (1.0625)} = 125 g$