in a typical heating curve, what is the nature of the slope of the curve when the substrate, in one state of matter, is being heated to another state of matter, but no change of state is occurring? group of answer choices slope < 0 slope

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08-11-2022
Chemistry

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in a typical heating curve, what is the nature of the slope of the curve when the substrate, in one state of matter, is being heated to another state of matter, but no change of state is occurring? group of answer choices slope < 0 slope

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Bhuvangarg Bhuvangarg · Answer 1 · 2022-11-11T16:14:12+01:00

The temperature of a substance does not change while the state does, this shows that the slope has positive gradient. So, the answer is slope > 0.

What is heating curve?

The heating curve is the relationship between the flow temperature of the heating system and the outside air temperature.
The heat required to change the temperature of a particular substance (without changing phase) is: q = m × c × ΔT. The heat required to produce a particular phase change is given by q = n × ΔH.
The slope is actually 1/mc. Continue heating and the solid will melt. During this time the temperature remains constant. The total length of this line is the amount of heat required to melt the solid.

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