Question

A 55.1-g sample of an alloy at 93.0°C is placed into 154 g of water at...

A 55.1-g sample of an alloy at 93.0°C is placed into 154 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy in J/(g.K)? Don't include units.
cH2O = 4.184 J/g.K

Homework Answers

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
A 30.5 g sample of an alloy at 91.9°C is placed into 49.4 g water at...
A 30.5 g sample of an alloy at 91.9°C is placed into 49.4 g water at 25.0°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy? (c of water is 4.184 J/g×K) ____J/g°C?
A 35.7 gram sample of iron (heat capacity 0.45 g/J°C) was heated to 99.10 °C and...
A 35.7 gram sample of iron (heat capacity 0.45 g/J°C) was heated to 99.10 °C and placed into a coffee cup calorimeter containing 42.92 grams of water initially at 15.15 °C. What will the final temperature of the system be? (Specific heat of water is 4.184 J/g°C). Please show work.
A block of an alloy of mass 37.0 g and at a temperature of 15.51 °C...
A block of an alloy of mass 37.0 g and at a temperature of 15.51 °C is placed in a calorimeter containing 41.0 g of water at 81.93 °C. If the final temperature of the alloy and water is 39.77 °C, 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 2.58 g sample of KNO3 (f.w. + 101.11 u) was added to 98.57 g of...
A 2.58 g sample of KNO3 (f.w. + 101.11 u) was added to 98.57 g of water in a coffee-cup calorimeter. The initial temperature of water was 22.5 deg C, and he temperature of the solution after mixing was 20.4 deg C. On basis of this experiment, what is the heat of solution per mole of KNO3 (f.w. =101.11 g)? The specific heat of water is 4.184 J/g.K.
A block of an alloy of mass 36.0 g and at a temperature of 275.21 K...
A block of an alloy of mass 36.0 g and at a temperature of 275.21 K is placed in a calorimeter containing 34.0 g of water at 366.25 K. If the final temperature of the alloy and water is 324.25 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 275-g sample of nickel at 100.0°C is placed in 100.0 mL of water at 22.0°C....
A 275-g sample of nickel at 100.0°C is placed in 100.0 mL of water at 22.0°C. What is the final temperature of the water? Assume that no heat is lost to or gained from the surroundings. Specific heat capacity of nickel = 0.444 J/(g·K). a. 40.8°C b. 61.0°C c. 39.6°C d. 82.4°C e. 79.2°C
A 48.2 g sample of a metal is heated to 95.8 degrees C and placed in...
A 48.2 g sample of a metal is heated to 95.8 degrees C and placed in a coffee-cup calorimeter containing 79.0 g of water at a temperature of 18.5 degrees C. After the metal cools, the final temperature of the metal and water is 22.8 degrees C. Calculate the specific heat capacity of the metal, assuming that no heat escapes to the surroundings or is transferred to the calorimeter.
A (18) g ice cube at –15.0°C is placed in (126) g of water at 48.0...
A (18) g ice cube at –15.0°C is placed in (126) g of water at 48.0 degreesC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is thermally insulated from the surroundings. Give your answer in degreesC with 3 significant figures. Specific heat of ice: 2.090 J/(g∙ oC) Specific heat of water: 4.186 J/(g∙ oC) Latent heat of fusion for water:...
A piece of titanium metal with a mass of 20.8 g is heated in boiling water...
A piece of titanium metal with a mass of 20.8 g is heated in boiling water to 99.5 0C and then dropped into a coffee cup calorimeter containing 75.0 g of water at 21.7 0C.When thermal equilibum is reached, the final temperature is 14.30C.Calculate the specific heat capacity of titanium. ( Specific Heat Capacity of H2O (l) =4.184 J g-1 0C-1)
The enthalpy change for the dissolution of NH4NO3 is +26.8 kJ/mol. When 40.0 g of NH4NO3...
The enthalpy change for the dissolution of NH4NO3 is +26.8 kJ/mol. When 40.0 g of NH4NO3 dissolves in 250.0 g of water in a coffee cup calorimeter, what will the final temperature of a solution be if it was initially at 25.0 °C? Assume that the heat capacity of the solution is the same as the specific heat of pure water, 4.184 J/(g·K). Hint: don't forget to add the masses of solute and solvent.