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7 August, 09:48

How much energy is required to raise the temperature of 3 kg of aluminum

from 18°C to 23°C? Use the table below and this equation: Q = mcAT.

Substance Specific Heat Capacity (1 / (°C))

Liquid water

4.186

Ice

2.11

Air

1.00

Aluminum

0.897

Soil

0.80

Granite

0.790

Iron

0.450

Copper

0.385

Silver

0.233

Lead

0.129

O

A. 13,455 J

O

O

B. 2691 J

C. 13,455 J

OD. 4.485 J

+1
Answers (1)
  1. 7 August, 10:09
    0
    Q = mcAT = should be mc (T2-T1)

    for Aluminum

    Q = 3 1000g Al x (0.897J/gC x (23-18 C) = 16722 J
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