Question

Lab 2: Specific Heat of Metals A 220 oC metal object is added to 82.5 mL...

Lab 2: Specific Heat of Metals

A 220 oC metal object is added to 82.5 mL of water. The water rises in temperature from 23.9 oC to a maximum temperature of 27.1 oC. What is the specific heat of the metal if it weighs 55.2 g? Assume the heat absorbed by the calorimeter is negligible.

(density of water = 1.00 g/mL)

Group of answer choices

0.779 JgoCJgoC

-0.104 JgoCJgoC

0.0910 JgoCJgoC

0.104

Homework Answers

Answer #1

​​​​

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate the specific heat of a metal from the following experimental data. 75.0 ml cold water...
Calculate the specific heat of a metal from the following experimental data. 75.0 ml cold water is taken in a calorimeter. The initial temp of the water in the calorimeter is 21.2 degrees C. To the calorimeter containing cold water 29.458 g metal at 98.9 degrees C is added. The final temperature of the contents of the calorimeter is measured to be 29.5 degreesC. (Given: density of water= 1.00 g/ml, specific heat of water= 4.184 J. G. -1 degrees C...
the specific heat of a metal object is .21 cal/g C. The metal is heated to...
the specific heat of a metal object is .21 cal/g C. The metal is heated to 96C then transferred to a calorimeter contain 75g of water at 18 C. The metal and water reach a final temperature of 22C. What is the mass of the metal? a 4g b 38 g 300 g 75 g 19 g
3. A sample of metal weighing 35.5g at a temperature of 100 oC was placed in...
3. A sample of metal weighing 35.5g at a temperature of 100 oC was placed in a calorimeter containing 50 g of water at 25.0 oC. At equilibrium the temperature of water and metal was 35.5 oC. Calculate the heat capacity of the metal. . Use this value for Cp:27.65. 4. When 0.50 g of magnesium metal is placed in a calorimeter, and 100. mL of 1.0 M HCl were added the temperature of solution increased from 22.2 oC to...
When an excess of Zn is added to 125mL of 0.150M CuSO4(aq) in a constant-pressure calorimeter...
When an excess of Zn is added to 125mL of 0.150M CuSO4(aq) in a constant-pressure calorimeter of negligible heat capacity, the temperature of the solution rises from 21.20 C to 28.97 C. Assuming the density and specific heat of the solution are the same as for pure water (1.00 g/mL and 4.184 J/g C), determine the molar enthalpy change of the following reaction. Ignore the specific heats of the metals Zn(s) + CuSO4(aq) --> ZnSO4 (aq) + Cu(s)
In a constant-pressure calorimeter of negligible heat capacity, 25 mL of 1.00 M CaCl2 is mixed...
In a constant-pressure calorimeter of negligible heat capacity, 25 mL of 1.00 M CaCl2 is mixed with 25 mL of 2.00 M KF, resulting in solid CaF2 precipitating out of the solution. During this process, the temperature of the water rises from 25.0°C to 26.7°C. Assume the specific heat capacity of the solution is 4.184 J/°C•g and the density of the solution is 1.00 g/mL. Calculate the enthalpy of precipitation in kJ per mole of CaF2 precipitated.
When 27.7 mL of 0.500 M H2SO4 is added to 27.7 mL of 1.00 M KOH...
When 27.7 mL of 0.500 M H2SO4 is added to 27.7 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate ?H of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water = 1.00 g/mL; c for water = 4.184 J/g·°C.)
When 26.6 mL of 0.500 M H2SO4 is added to 26.6 mL of 1.00 M KOH...
When 26.6 mL of 0.500 M H2SO4 is added to 26.6 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50 ° C, the temperature rises to 30.17 ° C. Calculate Δ H of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water = 1.00 g/mL; c for water = 4.184 J/g ·...
When 23.8 mL of 0.500 M H2SO4 is added to 23.8 mL of 1.00 M KOH...
When 23.8 mL of 0.500 M H2SO4 is added to 23.8 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate ΔH of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water = 1.00 g/mL; c for water = 4.184 J/g·°C.) ?: kJ/mol H2O
When 26.5 mL of 0.500 M H2SO4 is added to 26.5 mL of 1.00 M KOH...
When 26.5 mL of 0.500 M H2SO4 is added to 26.5 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50° C, the temperature rises to 30.17° C. Calculate ΔH of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water = 1.00 g/mL; c for water = 4.184 J/g°C). Answer in kJ/molH2O
1. The specific heat of iron metal is 0.450 J/g⋅K. How many J of heat are...
1. The specific heat of iron metal is 0.450 J/g⋅K. How many J of heat are necessary to raise the temperature of a 1.05 −kg block of iron from 28.0 ∘Cto 85.0 ∘C? 2. A 1.80-g sample of phenol (C6H5OH) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/∘C. The temperature of the calorimeter plus contents increased from 21.36∘Cto 26.37∘C. A. Write a balanced chemical equation for the bomb calorimeter reaction. B. What is the heat...