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Lunna [17]
3 years ago
12

How many joules are required to raise the temperature of 15.0 grams of water by 10 degrees Celsius?

Chemistry
1 answer:
tester [92]3 years ago
6 0
The question is based on the Thermodynamic principle of Specific Heat Capacity. Now, Specific Heat Capacity refers to the amount of heat needed per unit mass t raise the temperature by one degree Celsius

The formula that can be used to find the answer is the following:
   Q = C · m · ΔT ( where Q is the heat added/required; C is the specific heat capacity [4.186 joule/gram °C]; ΔT is the change in temperature)

Based on the question, what needs to be found is Q, and what is known is that C = 4.186 J/g °C; m = 15 g;  ΔT = 10 °C

so,           Q = C · m · ΔT
                Q = (4.186 J/g °C) (15 g) (10 °C)
                Q = 627.9 J

Thus, the number of <span>joules required to raise the temperature of 15.0 grams of water by 10 degrees Celsius is 627.9 J</span>
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