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gregori [183]
3 years ago
8

If 747 joules of energy is added to a sample of aluminum (specific heat capacity = 0.899 J/g*C) and the temperature goes up from

105.0*C to 121.0*C, what is the mass of the aluminum sample?
Chemistry
1 answer:
ser-zykov [4K]3 years ago
3 0

Answer:

m = 51.93 grams

Explanation:

Given that,

Energy added, Q = 747 joules

The specific heat capacity of Aluminium, c = 0.899 J/g°C

The temperature goes from 105.0°C to 121.0°C.

Let the mass of the aluminum sample is m. We know that, the heat added to the system is given by :

Q=mc\Delta T\\\\m=\dfrac{Q}{c\Delta T}\\\\m=\dfrac{747}{0.899 \times (121-105)}\\\\m=51.93\ g

So, the mass of the sample is 51.93 grams.

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