How much will the temperature of the water in the glass change if it is told the amount
| August 10, 2021 | education
How much will the temperature of the water in the glass change if it is told the amount of heat equal to 109 J? Take the capacity of the glass equal to 200 cm3?
Data: Q (the amount of heat that was imparted to the water in the glass) = 109 J; V (accepted capacity of the glass) = 200 cm3 (200 * 10-6 m3).
Constant values: С (specific heat capacity of water) = 4200 J / (kg * ºС); ρ (density of water in a glass) = 1000 kg / m3.
The increase in the temperature of the water in the glass is calculated by the formula: Q = C * ρ * V * Δt and Δt = Q / (C * ρ * V).
Calculation: Δt = 109 / (4200 * 1000 * 200 * 10-6) = 0.13 ºС.
Answer: The water temperature will increase by 0.13 ºС.
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