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11 What is the specific heat of a metal (260 g) that is heated from 25°C to 45°C when 2400 J of energy is applied? 2) How much energy is released when 54.0 g of steam is condensed.? (Heat of vaporization = 41 kJ/mole.) Specific Heats of Common Materials MATERIAL SPECIFIC HEAT (Joules/gram - "C) Liquid water Solid water ((ce) Water vapor Dry ain Basalt Granite 4.18 2.11 2.00 1.01 0.84 0.79 0.45 0.38 0.13 Tron Copper Lead 3) What is the identity of the metal in the following experiment? A 300°C piece of metal (mass 2025g) is put into 23°C water (mass 500g) until the final temperature of both is 55°C. 4) What is the change in temperature of a piece of granite (333g) that is heated with 33,000 J of energy? 5) How much energy does it take to melt on kilogram of ice and then warm the water to 100°C? 6) How many calories are in a almond if it warms 50.0 ml of water in a colorimeter from 20°C to 52°C.

11 What is the specific heat of a metal (260 g) that is heated from 25°C to 45°C when 2400 J of energy is applied? 2) How much energy is released when 54.0 g of steam is condensed.? (Heat of vaporization = 41 kJ/mole.) Specific Heats of Common Materials MATERIAL SPECIFIC HEAT (Joules/gram - "C) Liquid water Solid water ((ce) Water vapor Dry ain Basalt Granite 4.18 2.11 2.00 1.01 0.84 0.79 0.45 0.38 0.13 Tron Copper Lead 3) What is the identity of the metal in the following experiment? A 300°C piece of metal (mass 2025g) is put into 23°C water (mass 500g) until the final temperature of both is 55°C. 4) What is the change in temperature of a piece of granite (333g) that is heated with 33,000 J of energy? 5) How much energy does it take to melt on kilogram of ice and then warm the water to 100°C? 6) How many calories are in a almond if it warms 50.0 ml of water in a colorimeter from 20°C to 52°C.

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter10: Liquids And Solids
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this is my chem homework. i can’t find the answer key. please help. thank you
11 What is the specific heat of a metal (260 g) that is heated from 25°C to 45°C when 2400 J of energy is applied? 2) How much energy is released when 54.0 g of steam is condensed.? (Heat of vaporization = 41 kJ/mole.) Specific Heats of Common Materials MATERIAL SPECIFIC HEAT (Joules/gram "C) Liquid water Solid water ((ce) Water vapor Dry air Basalt Granite 2.11 2.00 1.01 0,84 0.79 0.45 0.38 0.13 Iron Copper Lead 3) What is the identity of the metal in the following experiment? A 300°C piece of metal (mass 2025g) is put into 23°C water (mass 500g) until the final temperature of both is 55°C. 4) What is the change in temperature of a piece of granite (333g) that is heated with 33,000 J of energy? 5) How much energy does it take to melt on kilogram of ice and then warm the water to 100°C? 6) How many calories are in a almond if it warms 50.0 ml of water in a colorimeter from 20°C to 52°C.
Transcribed Image Text:11 What is the specific heat of a metal (260 g) that is heated from 25°C to 45°C when 2400 J of energy is applied? 2) How much energy is released when 54.0 g of steam is condensed.? (Heat of vaporization = 41 kJ/mole.) Specific Heats of Common Materials MATERIAL SPECIFIC HEAT (Joules/gram "C) Liquid water Solid water ((ce) Water vapor Dry air Basalt Granite 2.11 2.00 1.01 0,84 0.79 0.45 0.38 0.13 Iron Copper Lead 3) What is the identity of the metal in the following experiment? A 300°C piece of metal (mass 2025g) is put into 23°C water (mass 500g) until the final temperature of both is 55°C. 4) What is the change in temperature of a piece of granite (333g) that is heated with 33,000 J of energy? 5) How much energy does it take to melt on kilogram of ice and then warm the water to 100°C? 6) How many calories are in a almond if it warms 50.0 ml of water in a colorimeter from 20°C to 52°C.
Heating Curve 120 100 80 60 40 20 D B 20 2 4 68 10 12 14 16 1820 22 24 26 28 Time (min) 1. What do we call the phase change from 20 minutes to 13 minutes? b) freezing a) melting c) boiling d) condensation 2. What do we call the phase change from 5 minutes back to 2 minutes? c) boiling a) melting b) freezing d) condensation 3. Segment B represents the heat of a) vaporization b) fusion c) condensation d) boiling 4. Which phase of matter takes the most amount of heat to warm? a) solid b) gas c) liquid Temperature (C)
Transcribed Image Text:Heating Curve 120 100 80 60 40 20 D B 20 2 4 68 10 12 14 16 1820 22 24 26 28 Time (min) 1. What do we call the phase change from 20 minutes to 13 minutes? b) freezing a) melting c) boiling d) condensation 2. What do we call the phase change from 5 minutes back to 2 minutes? c) boiling a) melting b) freezing d) condensation 3. Segment B represents the heat of a) vaporization b) fusion c) condensation d) boiling 4. Which phase of matter takes the most amount of heat to warm? a) solid b) gas c) liquid Temperature (C)
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