PHYS 204 Week 6 Quiz | Assignment Help | Devry University
- Devry University / PHYS 204
- 19 Jul 2019
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PHYS 204 Week 6 Quiz | Assignment Help | Devry University
Week 6 Quiz
Question 1
Change 535 K to
℃.
o 262 ℃
o 0 ℃
o 460 ℃
o 75 ℃
Question 2
(TCO 7) Find the amount of work (in J) that is equivalent to 4850 cal of heat.
o 48.5 J
o 20.3 kJ
o 2030 J
o 4.19 kJ
Question 3
(TCO 7) How many kilocalories of heat must be added to 10.0 kg of steel to raise its temperature 150.℃
? For steel, c= .115kcal/kg℃
.
o 173 kcal
o 115 kcal
o 150 kcal
o 15,000 kcal
Question 4
A steel railroad rail is 40.0 ft long at 0 ℉
. How much will it expand when heated to 100 ℉ ? For steel α=6.5* 10−6 /℉
.
o .026 ft
o .026 in.
o .17 ft
o .17 in.
Question 5
If 135,000 cal of heat is required to vaporize 250 g of water at 100 ℃
, what is the heat of vaporization of water?
o 540. cal/g
o 338,000 cal/g
o 270 cal/g
o 226,000,000 cal/g
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