5.9) How much energy would be required to vaporize (boil) 50.0 grams of each of the following substances? a) water ANSWER: 27000 cal (two significant figures) b) ethanol ANSWER: 12000 cal (two significant figures) c) 2-propanol ANSWER: 7950 cal (three significant figures) Substance H₂O ethanol (ethyl alcohol) 2-propanol (rubbing alcohol) heat of fusion (Hfus) 79.7 cal/g 26.05 cal/g 21.37 cal/g heat of vaporization (Hvap) 540 cal/g 230 cal/g 159 cal/g

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Can you help me number 1,2 and 3 question?

5.9) How much energy would be required to vaporize (boil) 50.0 grams of each of the following substances?
a) water ANSWER: 27000 cal (two significant figures)
b) ethanol ANSWER: 12000 cal (two significant figures)
c) 2-propanol ANSWER: 7950 cal (three significant figures)
Substance
H₂O
ethanol
(ethyl alcohol)
2-propanol
(rubbing alcohol)
heat of
fusion
(Hfus)
79.7 cal/g
26.05 cal/g
21.37 cal/g
heat of
vaporization
(Hvap)
540 cal/g
230 cal/g
159 cal/g
Transcribed Image Text:5.9) How much energy would be required to vaporize (boil) 50.0 grams of each of the following substances? a) water ANSWER: 27000 cal (two significant figures) b) ethanol ANSWER: 12000 cal (two significant figures) c) 2-propanol ANSWER: 7950 cal (three significant figures) Substance H₂O ethanol (ethyl alcohol) 2-propanol (rubbing alcohol) heat of fusion (Hfus) 79.7 cal/g 26.05 cal/g 21.37 cal/g heat of vaporization (Hvap) 540 cal/g 230 cal/g 159 cal/g
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