Specific Heat Data Analysis

Question

The equation $$q = m * c * \Delta T$$ relates the amount of heat, $$q$$, added to a substance of mass $$m$$ and specific heat capacity $$c$$, to the resulting temperature change, $$\Delta T$$. The table below presents experimental data for a particular substance. Which of the following conclusions is best supported by these data?

| Mass (g) | Energy Added (J) | Temperature Change (°C) |
|----------|------------------|-------------------------|
| 100      | 418.4            | 1                       |
| 200      | 836.8            | 1                       |
| 100      | 836.8            | 2                       |

Accepted Answer

For a constant specific heat, the temperature change increases proportionally with the energy added and decreases with increased mass.

Answer

The data indicate that the temperature change is independent of the mass and energy input, which contradicts the specific heat relationship.

Answer

Since the temperature change varies inconsistently with energy and mass, the specific heat value cannot be considered constant.

Answer

Doubling the energy added will necessarily double the mass of the substance required to achieve the same temperature change.

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	priyamk1122008	0	1	0m 35s	-45
#2	lockdante2	1	2	2m 35s	-65
#3	mmok5950	0	1	2m 23s	-153
#4	Derinchiay2013	3	5	9m 18s	-278

Specific Heat Data Analysis

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