1. The specific heat capacities (Cs) of copper (Cu) and bismuth (Bi) are shown below. a.Metal...
1. The specific heat capacities (Cs) of copper (Cu) and bismuth (Bi) are shown below.
a.Metal Specific Heat Copper 0.386 J·g-1 ·K-1 Bismuth 0.123 J·g-1 ·K-1 a. A 10.0 g piece of bismuth and a 10.0 g piece of copper, both at 90.0°C, are submerged in the same beaker of cold water. After the temperature equilibrates, which piece of metal will lose the most heat?
b. If the bismuth described in part (a) cools to 25.0°C, how much heat will it lose?
Homework Answers
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1. The specific heat capacities (Cs) of copper (Cu) and bismuth
(Bi) are shown below.
a.Metal...
25. 30.0 g of 271.4°C liquid bismuth (Bi) is added to 80.0g of 25.00°C water in a perfectly insulated container. Af...
25. 30.0 g of 271.4°C liquid bismuth (Bi) is added to 80.0g of 25.00°C water in a perfectly insulated container. After the temperature equilibrates, the temperature inside of the container is 32.49°C. How much heat did bismuth lose during this process? Melting point of Bi = 271.4°C Cs (liquid H2O) = 4.18 J-gr1-K-1 Cs (solid Bi) 0.123 J gr1 K1 А. 0.139 kJ В. 0.882 kJ C. 0.909 kJ D. 2.50 kJ 4.22 kJ Е. I
The following is a list of specific heat capacities of a few metals. copper-0.385 J/g."C tin-0.222...
The following is a list of specific heat capacities of a few metals. copper-0.385 J/g."C tin-0.222 J/g.°C iron = 0.450 J/g·°C aluminum 0.897 J/g."C gold 0.129 J/g.°c A 51.2 g sample of an unknown metal is heated with 758 J. If the temperature of the metal increases by 16.5 °C, what is the identity of the unknown metal?
4. Heat transfer: q = mass x Cs x ΔT and –qreaction = +qsolution a. A...
4. Heat transfer: q = mass x Cs x ΔT and –qreaction = +qsolution a. A piece of metal with a mass of 8.6 g was heated to 100.0°C and dropped into a coffee cup calorimeter containing 402.4 g of water at 25.0°C. If the temperature of the water and the metal at thermal equilibrium is 26.4°C, what is the specific heat of this metal in J/g°C? b. How much heat energy must be added in order to boil a...
The 3. If two substances having different specific heat capacities have the same amount of heat...
The 3. If two substances having different specific heat capacities have the same amount of heat energy added to them, which one will have a higher resulting temperature - the one with a lower specific heat capacity or the one with the higher specific heat capacity? Explain. 4. If the calculated specific heat is 0.125 J/g.°C, what metals from Table 1 could be the unknown? What additional measurable criteria could be used to differentiate between the metals? pen Cond Table...
A piece of copper metal is initially at 83.0°C. It is dropped into a coffee cup...
A piece of copper metal is initially at 83.0°C. It is dropped into a coffee cup calorimeter containing 30.0 9 of water at a temperature of 10.0°c. After stirring, the final temperature of both copper and water is 25.0°c. Assuming no heat losses, and that the specific heat (capacity) of water is 4.18 J/(g.), what is the heat capacity of the copper in J/K?
Please help with each one 2. (20 pts.) Calculate the specific heat of a piece of...
Please help with each one
2. (20 pts.) Calculate the specific heat of a piece of metal if its mass is 25.52 grams and the metal gives off 1551 Joules of heat when cooled to 20 °C from an initial temperature of 85 °C. c.) 0.440J d.) 0.940 J c.) d.) 0.450 g 0.940 J/g °C . (15 pt.) From your Question #5 result, identify the metal using the following table: Metal ΑΙ Fe Hg Bi Cu Pb Specific Heat...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of heat to raise the temperature of 253.5 grams of the unknown metal from 31.4°C to 146.5°C. Determine the Csp and then use the adjacent table to identify the metal.de Date: city (Cs). of the then use the TABLE 6.4 Specific Heat Capacities of Some Common Substances Specific Heat Capacity, Cs Substance (J/g °C)* Elements 0.128 Lead 0.128 Gold Silver 0.235 0.385 sorto no 12...
Specific Heat Capacity A 21.5-g sample of an unknown metal is heated to 94.0°C and is...
Specific Heat Capacity A 21.5-g sample of an unknown metal is heated to 94.0°C and is placed in a insulated container containing 128 g of water at a temperature of 21.4°C. After the metal cools, the final temperature of the metal and water is 25.0°C. Calculate the specific heat capacity of the metal, assuming that no heat escapes to the surroundings. Heat loss=Heat gained. Specific Heat Capacity of water is 4.18 J/g/K in this temperature range. Submit Answer Incompatible units....
Question 1 You combine a solid unknown salt-like substance to water in a beaker. You pick...
Question 1 You combine a solid unknown salt-like substance to water in a beaker. You pick up the beaker and observe that the beaker has gotten very cold to the touch. The reaction is ( endothermic ). If we define the unknown substance and the water as the system and the surroundings as the beaker and your hand, then heat flows Question 2 is the kinetic energy associated with the random motion of atoms. is the quantitative measure of hot...
Part 1: Specific Heat of Copper Metal Your Data Neighbor 1 Neighbor 2 Weight of copper...
Part 1: Specific Heat of Copper Metal Your Data Neighbor 1 Neighbor 2 Weight of copper taken, grams 24.724 g __ 24.916 g 25.124 g Weight of water taken, grams 49.591 g_ 50.129 g 24.983 g Temperature of heated copper, 100°C 100°C 100°C Temperature of cool water, °C 22°C 23.2°C 21.5°C Final temperature reached, °C 25.5°C 26.5°C 24.9°C Heat GAINED by water, Joules Heat LOST by copper, Joules Specific heat of copper, Joules/g°C Average value of specific heat of copper...
25. 30.0 g of 271.4°C liquid bismuth (Bi) is added to 80.0g of 25.00°C water in a perfectly insulated container. After the temperature equilibrates, the temperature inside of the container is 32.49°C. How much heat did bismuth lose during this process? Melting point of Bi = 271.4°C Cs (liquid H2O) = 4.18 J-gr1-K-1 Cs (solid Bi) 0.123 J gr1 K1 А. 0.139 kJ В. 0.882 kJ C. 0.909 kJ D. 2.50 kJ 4.22 kJ Е. I
The following is a list of specific heat capacities of a few metals. copper-0.385 J/g."C tin-0.222 J/g.°C iron = 0.450 J/g·°C aluminum 0.897 J/g."C gold 0.129 J/g.°c A 51.2 g sample of an unknown metal is heated with 758 J. If the temperature of the metal increases by 16.5 °C, what is the identity of the unknown metal?
The 3. If two substances having different specific heat capacities have the same amount of heat energy added to them, which one will have a higher resulting temperature - the one with a lower specific heat capacity or the one with the higher specific heat capacity? Explain. 4. If the calculated specific heat is 0.125 J/g.°C, what metals from Table 1 could be the unknown? What additional measurable criteria could be used to differentiate between the metals? pen Cond Table...
A piece of copper metal is initially at 83.0°C. It is dropped into a coffee cup calorimeter containing 30.0 9 of water at a temperature of 10.0°c. After stirring, the final temperature of both copper and water is 25.0°c. Assuming no heat losses, and that the specific heat (capacity) of water is 4.18 J/(g.), what is the heat capacity of the copper in J/K?
Please help with each one
2. (20 pts.) Calculate the specific heat of a piece of metal if its mass is 25.52 grams and the metal gives off 1551 Joules of heat when cooled to 20 °C from an initial temperature of 85 °C. c.) 0.440J d.) 0.940 J c.) d.) 0.450 g 0.940 J/g °C . (15 pt.) From your Question #5 result, identify the metal using the following table: Metal ΑΙ Fe Hg Bi Cu Pb Specific Heat...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of heat to raise the temperature of 253.5 grams of the unknown metal from 31.4°C to 146.5°C. Determine the Csp and then use the adjacent table to identify the metal.de Date: city (Cs). of the then use the TABLE 6.4 Specific Heat Capacities of Some Common Substances Specific Heat Capacity, Cs Substance (J/g °C)* Elements 0.128 Lead 0.128 Gold Silver 0.235 0.385 sorto no 12...
Specific Heat Capacity A 21.5-g sample of an unknown metal is heated to 94.0°C and is placed in a insulated container containing 128 g of water at a temperature of 21.4°C. After the metal cools, the final temperature of the metal and water is 25.0°C. Calculate the specific heat capacity of the metal, assuming that no heat escapes to the surroundings. Heat loss=Heat gained. Specific Heat Capacity of water is 4.18 J/g/K in this temperature range. Submit Answer Incompatible units....
Question 1 You combine a solid unknown salt-like substance to water in a beaker. You pick up the beaker and observe that the beaker has gotten very cold to the touch. The reaction is ( endothermic ). If we define the unknown substance and the water as the system and the surroundings as the beaker and your hand, then heat flows Question 2 is the kinetic energy associated with the random motion of atoms. is the quantitative measure of hot...
Part 1: Specific Heat of Copper Metal Your Data Neighbor 1 Neighbor 2 Weight of copper taken, grams 24.724 g __ 24.916 g 25.124 g Weight of water taken, grams 49.591 g_ 50.129 g 24.983 g Temperature of heated copper, 100°C 100°C 100°C Temperature of cool water, °C 22°C 23.2°C 21.5°C Final temperature reached, °C 25.5°C 26.5°C 24.9°C Heat GAINED by water, Joules Heat LOST by copper, Joules Specific heat of copper, Joules/g°C Average value of specific heat of copper...
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