Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final

temperature is 46.5°C. The specific heats of water and iron respectively, are 4.18 and 0.45 joules per gram times

Celsius. How much heat energy did the iron gain?

1.500

12,000J

21.000

1.000J

Question

Christina

Chemistry

15 February, 10:16

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final

temperature is 46.5°C. The specific heats of water and iron respectively, are 4.18 and 0.45 joules per gram times

Celsius. How much heat energy did the iron gain?

1.500

12,000J

21.000

1.000J

+3

Answers (1)

Know the Answer?

Serenity Moore · Answer 1

The answer would be 1.5 kJ.

Explanation:

When you use the equation q = m x c x ∆T you will be able to find the energy gained or lost. The data for the water in this case is just there to distract you so ignore it. : D

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The finaltemperature is 46.5°C. The specific heats of water and iron respectively, are 4.18 and 0.45 joules per gram timesCelsius. How much heat energy did the iron gain?1.50012,000J21.0001.000J