Question

A 10-gram aluminum cube absorbs 677 joules when its temperature is increased from 50°c to 125°c. what is the specific heat of aluminum? express the answer to the hundredths place. joules over grams times degrees celsius

Answer 1

What is the specific heat of aluminum?

The specific heat of aluminum is 0.90J/g°C.

Given:

Heat absorbs = 677 J

Mass of the substance = 10 g

Initial temperature = 50°C

Final temperature = 125°C

Formula used:

Q = m x c x ΔT

which can also be written as,

Q = m x c x ( $T_{final}$ - $T_{initial}$ )

where,

Q = heat absorbs

m = mass of a substance

c = heat capacity of aluminum

$T_{final}$ = Final temperature

$T_{initial}$ = Initial temperature

Now, put all the values in the formula given above to get the specific heat of aluminum,

677g = (10g) x c x (125 - 50)°C

c = 0.9026 J/g°C

c = 0.90 J/g°C

Learn more about the specific heat of aluminum here,

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