Unit VI. States of Matter. Assignment 10: Phase Change/Temperature Change
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Heat with Phase Change Worksheet. 1). How many joules are required to heat
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Phase Change Worksheet. 1). A 12 oz. can of soda weighs about 450 grams.
How many joules are released when a can of soda is cooled from 25 degrees ...
Phase Change Worksheet 1)
A 12 oz. can of soda weighs about 450 grams. How many joules are released when a can of soda is cooled from 25 degrees Celsius (room temperature) to 4 degrees Celsius (the temperature of a refrigerator). The o heat capacity of liquid water is 4.18 J / gram x C.
2)
How many joules are required to heat 250 grams of liquid water from 0 to 0 100 C ?
3)
How many joules are required to melt 100 grams of water? The heat of fusion of water is 6.01 kJ / mole.
4)
How many joules are required to boil 150 grams of water? The heat of vaporization of water is 40.67 kJ / mole.
5)
How many joules are required to heat 200 grams of water from 25 C to . 0 0 125 C? The heat capacity of steam is 1.84 J / g C
How many joules are given off when 120 grams of water are cooled from .0 0 0 25 C to -25 C? The heat capacity of ice is 2.09 J / g C.
7)
How many joules are required to heat 75 grams of water from -85 C to . 0 0 185 C? The heat capacity of steam is 1.84 J / g C.
8)
How many joules are required to heat a frozen can of juice (360 grams) 0 0 from -5 C (the temperature of an overcooled refrigerator) to 110 C (the highest practical temperature within a microwave oven)?
9)
How many joules are released when 450 grams of water are cooled from 7 0 -9 0 4 x 10 C (the hottest temperature ever achieved by man) to 1 x 10 C (the coldest temperature achieved by man).
10)
How many joules are required to raise the temperature of 100 grams of 0 15 0 water from -269 C (the current temperature of space) to 1.6 x 10 C (the estimated temperature of space immediately after the big bang)?
A 12 oz. can of soda weighs about 450 grams. How many joules are released when a can of soda is cooled from 25 degrees Celsius (room temperature) to 4 degrees Celsius (the temperature of a refrigerator). The o heat capacity of liquid water is 4.18 J / gram x C. 39.5 kJ
2)
How many joules are required to heat 250 grams of liquid water from 0 to 0 100 C ? 104.5 kJ
3)
How many joules are required to melt 100 grams of water? The heat of fusion of water is 6.01 kJ / mole. 33.4 kJ
4)
How many joules are required to boil 150 grams of water? The heat of vaporization of water is 40.67 kJ / mole. 338.8 kJ
5)
How many joules are required to heat 200 grams of water from 25 C to . 0 0 125 C? The heat capacity of steam is 1.84 J / g C 523.9 kJ
6)
How many joules are given off when 120 grams of water are cooled from .0 0 0 25 C to -25 C? The heat capacity of ice is 2.09 J / g C. 63.9 kJ
7)
How many joules are required to heat 75 grams of water from -85 C to . 0 0 185 C? The heat capacity of steam is 1.84 J / g C. 250.9 kJ
8)
How many joules are required to heat a frozen can of juice (360 grams) 0 0 from -5 C (the temperature of an overcooled refrigerator) to 110 C (the highest practical temperature within a microwave oven)? 1094.46 kJ
9)
How many joules are released when 450 grams of water are cooled from 7 0 -9 0 4 x 10 C (the hottest temperature ever achieved by man) to 1 x 10 C 10 (the coldest temperature achieved by man). 3.31 x 10 J
10)
How many joules are required to raise the temperature of 100 grams of 0 15 0 water from -269 C (the current temperature of space) to 1.6 x 10 C (the estimated temperature of space immediately after the big bang)? 17 2.94 x 10 J
