What mass of water can be heated from 25.0° C to 50.0° C by the addition of 2825 J of heat energy if the specific heat capacity of water is 4.184 J/goC? 35 g
13 g
27 g
20 g

Mass, m = 27g

Explanation:

Given the following data;

Initial Temperature, T1 = 25°C

Final temperature, T2 = 50°C

Quantity of heat = 2825J

Specific heat capacity of water = 4.184

Heat capacity is given by the formula;

Where,

Making mass, m the subject of formula, we have;

Change in temperature, dt = T2 - T1

Change in temperature, dt = 50-25 = 25°C

Substituting into the equation, we have;

Mass, m = 27g

Therefore, the mass of water that can be added is 27 grams.

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