Temperature and Observations for Heating Curve. Time (Min) Temperature (°C) Observations 0 0 Solid state 1...

Temperature and Observations for Heating Curve.

Time (Min)	Temperature (°C)	Observations
0	0	Solid state
1	0	Solid with a little liquid
2	1	Solid and liquid
3	4	Liquid and bits of solid
4	8	Liquid and a tiny solid
5	25	liquid
6	35	liquid
7	54	Liquid
8	68	Liquid
9	78	Liquid
10	92	Liquid
11	101	Liquid
12	104	Liquid& gas
13	104	Liquid& gas
14	104	Liquid& gas
15	104	Liquid& gas

Questions

C. Describe the key characteristics for the three states of matter.

D. Define the melting point. What was the observed melting point of water?

E. Define boiling point. What was the observed boiling point of water?

F. What happens to heat energy when it is not increasing the temperature of the substance in the beaker? Use your heating curve to explain your answer.

G. Was temperature perfectly constant during your test while the water was melting and while it was boiling? Explain why or why not. H. The published melting point of H2O is 0°C, and the published boiling point is 100°C. Why may you have found different values?

I. Use the following information to determine if the intermolecular forces of isopropyl alcohol are greater or weaker than the intermolecular forces of water. Explain your answer. The melting point of isopropyl alcohol (rubbing alcohol, C3H8O) is about -90°C and the boiling point is about 82°C.

Expert Solution

queen_honey_blossom answered 8 months ago

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