Question

how to solve q= mL related questions​

Answer 1

Answer:

m = 2kg

Specific latent heat of fusion of water, L = 334 000 J/kg

specific heat capacity of water = 4200 J/(kg K)

Energy needed to melt 2kg of ice,

Q1 = mL = (2)(334000) = 668000J

Energy needed to change the temperature from 0°C to °C.

Q2 = mcθ = (2)(4200)(20 - 0) = 168000J

Total energy needed = Q1 + Q2 = 668000 + 168000 = 836000J

Explanation:

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Answer 2

Answer:

Technically Yes! Cause at the end of the day one can answer: "I don't understand you question!" or maybe "I don't wish to answer that question!"

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