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Step2247 [10]
2 years ago
5

what is the specific heat capacity 82.4g of a metal that is absorbed 846 joules of heat as the temperature increases from 25c to

67c
Chemistry
1 answer:
Nadya [2.5K]2 years ago
4 0

Answer:

Specific heat capacity = 0.24 j/g.°C

Explanation:

Given data:

Mass of metal = 82.4 g

Heat absorbed = 846 j

Change in temperature = 67°C - 25°C

Specific heat capacity = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 67°C - 25°C

ΔT = 42°C

Q = m.c. ΔT

846 j = 82.4 g . c. 42°C

c = 846 j / 3460.8 g.°C

c = 0.24 j/g.°C

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An unstable element refers to a chemical element that lose particles because its nucleus contain an excess of internal energy (neutron or proton).

This ultimately implies that, an unstable element is radioactive in nature.

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