Homework Answers
Since every metal has its own specific heat that is the characteristic of every metal.
First specific heat is calculated from the given data and match
with the reference ...it has been found to be matched with
cobalt
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1. Calculate Qwater given that AT is 4.20 °C, the mass is 75.1 g and the...
DATA Trial 1 Trial 2 Mass test tube (g) 42.67 41.41 Mass test tube + metal...
DATA Trial 1 Trial 2 Mass test tube (g) 42.67 41.41 Mass test tube + metal (g) 73.15 71.47 3.52 3.49 106.09 35.22 100 100 Mass strxofoam cups (g) Mass strxofoam cups + water (g) Initial temperature metal (°C) Initial temperature water (°C) Final temperature metal and water (°C) Specific heat water (J/g. °C) 20.9 19.6 21.9 22.8 4.184 4.184 CALCULATIONS Trial 1 Trial 2 mmetal (g) | mwater (g) | Atwater. (°C) Atmetal (°C) Qwater (J) Qmetal (J) Smetal...
burning sodium? temperature increases by 2.03 °C. how much energy (in kJ/mol) is released by 3.03w...
burning sodium? temperature increases by 2.03 °C. how much energy (in kJ/mol) is released by 3.03w 2.3 7,0125灯 5645 M.w 23 11. 12.0 g of water is at 57.0 ℃. If 4.00 g of gold at 18.2 °C is placed in the calorimeter, what is the final temperature of the water in the calorimeter? (The specific heat of gold is 0.128 J/g 12. A student wants to determine the identity of an unknown metal. The students heat the 25.0g chunk...
I solved for parts a. b. and c. however I dont understand how to use my...
I solved for parts a. b. and c. however I dont understand how to
use my answer from part c to find part d.
A 16.260g piece of metal was heated in a hot water bath at 95.5 C. The hot metal was then transferred to a calorimeter containing 50.00 mL of water (density of water is 1.00 g/mL). From the time-temperature plot, the initial and final temperatures for the water were determined to be 23.76 C and 26.18 'C,...
Calculate the specific heat of metal Al. Mass of metal: 6.24 g Mass of water: 200...
Calculate the specific heat of metal Al. Mass of metal: 6.24 g Mass of water: 200 g Temperature of water: 23 C Temperature of metal: 100 C T final: 26.9 C C of water: 4.184 J/g C
experiment 1: determination of specific heat of a metal Data Sheet Table 2. Mass Mass (g)...
experiment 1: determination of specific heat of a metal Data Sheet Table 2. Mass Mass (g) Water 49.2 g Unknown Metal Strip 9.6 g Table 3. Temperature Data Time Temperature (°C) Trial 1 Temperature (°C) Trial 2 Temperature (°C) Trial 3 Initial Temp Water (Ti (water)) 16 C 17 C 17 C Initial Temp Metal (Ti (metal)) 76 C 86 C 85 C 1 minute 17 C 17 C 17.5 C 2 minutes 17 C 17 C 17.5 C 3...
A block of an alloy of mass 33.0 g and at a temperature of 295.58 K...
A block of an alloy of mass 33.0 g and at a temperature of 295.58 K is placed in a calorimeter containing 50.0 g of water at 344.84 K. If the final temperature of the alloy and water is 326.33 K, calculate the specific heat (in J/g/K) of the metal. The specific heat of water is 4.184 J/g/K. Express your answer to three significant figures in scientific notation.
A piece of metal of mass 35.0 g at 100.0°C was placed in 150.0 g of...
A piece of metal of mass 35.0 g at 100.0°C was placed in 150.0 g of water at 20.0 °C. After stirring, the final temperature of the water and the metal is 23.8°C. What is the specific heat capacity of the metal? (specific heat capacity for H2O = 4.184 J/g °C) O-0.89 J 8°C 19.6 J/g °C 1.96J/g °C O 0.89 J/g °C
An unknown metal has a mass of 32.6 g. When 983 J of heat are added...
An unknown metal has a mass of 32.6 g. When 983 J of heat are added to the sample, the sample temperature changes by 40.2°C. Calculate the specific heat of the unknown metal. Specific heat (J/g* C) Metal potassium 0.750 silver 0.240 lead 0.160 specific heat: J/(g C) barium 0.204 calcium 0.650 What is the possible identity of the metal based on the calcium 0.650 calculated specific heat? O potassium lead silver Ocalcium
An unknown metal has a mass of 33.8 g. When 2270 J of heat are added...
An unknown metal has a mass of 33.8 g. When 2270 J of heat are added to the sample, the sample temperature changes by 65.7 °C. Calculate the specific heat of the unknown metal. Specific heat (J/g. C) 1.023 Metal magnesium copper lead 0.385 0.160 0.204 specific heat: J/g. "C) barium calcium zinc 0.650 0.390 What is the possible identity of the metal based on the calculated specific heat? lead zinc magnesium O copper
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1...
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1 g/mol Mass of CaCl Mass of Water Intial Temperature Final Temeprature Molar Mass of CaCl2 (a) Calculate the heat of solution. (AH) Assume that the specific heat of the solution is the same as water, 4.184 J/g- C and that no heat is gained or lost by the cup. (4 pts) (b) Calculate the number of moles of CaCl2. (3 pts) (c) Calculate the...
DATA Trial 1 Trial 2 Mass test tube (g) 42.67 41.41 Mass test tube + metal (g) 73.15 71.47 3.52 3.49 106.09 35.22 100 100 Mass strxofoam cups (g) Mass strxofoam cups + water (g) Initial temperature metal (°C) Initial temperature water (°C) Final temperature metal and water (°C) Specific heat water (J/g. °C) 20.9 19.6 21.9 22.8 4.184 4.184 CALCULATIONS Trial 1 Trial 2 mmetal (g) | mwater (g) | Atwater. (°C) Atmetal (°C) Qwater (J) Qmetal (J) Smetal...
burning sodium? temperature increases by 2.03 °C. how much energy (in kJ/mol) is released by 3.03w 2.3 7,0125灯 5645 M.w 23 11. 12.0 g of water is at 57.0 ℃. If 4.00 g of gold at 18.2 °C is placed in the calorimeter, what is the final temperature of the water in the calorimeter? (The specific heat of gold is 0.128 J/g 12. A student wants to determine the identity of an unknown metal. The students heat the 25.0g chunk...
I solved for parts a. b. and c. however I dont understand how to
use my answer from part c to find part d.
A 16.260g piece of metal was heated in a hot water bath at 95.5 C. The hot metal was then transferred to a calorimeter containing 50.00 mL of water (density of water is 1.00 g/mL). From the time-temperature plot, the initial and final temperatures for the water were determined to be 23.76 C and 26.18 'C,...
A piece of metal of mass 35.0 g at 100.0°C was placed in 150.0 g of water at 20.0 °C. After stirring, the final temperature of the water and the metal is 23.8°C. What is the specific heat capacity of the metal? (specific heat capacity for H2O = 4.184 J/g °C) O-0.89 J 8°C 19.6 J/g °C 1.96J/g °C O 0.89 J/g °C
An unknown metal has a mass of 32.6 g. When 983 J of heat are added to the sample, the sample temperature changes by 40.2°C. Calculate the specific heat of the unknown metal. Specific heat (J/g* C) Metal potassium 0.750 silver 0.240 lead 0.160 specific heat: J/(g C) barium 0.204 calcium 0.650 What is the possible identity of the metal based on the calcium 0.650 calculated specific heat? O potassium lead silver Ocalcium
An unknown metal has a mass of 33.8 g. When 2270 J of heat are added to the sample, the sample temperature changes by 65.7 °C. Calculate the specific heat of the unknown metal. Specific heat (J/g. C) 1.023 Metal magnesium copper lead 0.385 0.160 0.204 specific heat: J/g. "C) barium calcium zinc 0.650 0.390 What is the possible identity of the metal based on the calculated specific heat? lead zinc magnesium O copper
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1 g/mol Mass of CaCl Mass of Water Intial Temperature Final Temeprature Molar Mass of CaCl2 (a) Calculate the heat of solution. (AH) Assume that the specific heat of the solution is the same as water, 4.184 J/g- C and that no heat is gained or lost by the cup. (4 pts) (b) Calculate the number of moles of CaCl2. (3 pts) (c) Calculate the...
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