Question

A piece of unknown material of mass 0.15 kg is heated to 110°C without melting and...

A piece of unknown material of mass 0.15 kg is heated to 110°C without melting and then placed in a calorimeter containing 0.76 kg of water initially at 14.5°C. The system reaches an equilibrium temperature of 20.8°C

a)  What is the specific heat of the unknown material, in units of J/(kg⋅°C)? The specific heat of water is 4.186 × 103 J/(kg⋅°C).

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An unknown material has a normal melting/freezing point of -29.1 °C, and the liquid phase has...
An unknown material has a normal melting/freezing point of -29.1 °C, and the liquid phase has a specific heat capacity of 178 J/(kg C°). One-tenth of a kilogram of the solid at -29.1 °C is put into a 0.132-kg aluminum calorimeter cup that contains 0.165 kg of glycerin. The temperature of the cup and the glycerin is initially 26.9 °C. All the unknown material melts, and the final temperature at equilibrium is 18.0 °C. The calorimeter neither loses energy to...
An unknown metal of mass 0.280 kg is heated to 160.0°C and dropped in an aluminum...
An unknown metal of mass 0.280 kg is heated to 160.0°C and dropped in an aluminum calorimeter of mass 0.250 kg that contains 0.170 kg of water at 30°C. The calorimeter, water, and unknown metal have a final temperature of 46.0°C. Find the specific heat of the unknown metal. Hint: you need the specific heat of water and aluminum. Use units of [J/(kg.K)] and the values in your book for the specific heat.
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)
An unknown substance has a mass of 0.125 kg and an initial temperature of 79.8°C. The...
An unknown substance has a mass of 0.125 kg and an initial temperature of 79.8°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 21.0°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.
An unknown substance has a mass of 0.125 kg and an initial temperature of 92.5°C. The...
An unknown substance has a mass of 0.125 kg and an initial temperature of 92.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 27.0°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.
008 A 0.0456 kg ingot of metal is heated to 215◦C and then is dropped into...
008 A 0.0456 kg ingot of metal is heated to 215◦C and then is dropped into a beaker containing 0.415 kg of water initially at 19◦C. If the final equilibrium state of the mixed system is 21.4 ◦C, find the specific heat of the metal. The specific heat of water is 4186 J/kg · ◦ C. Answer in units of J/kg · ◦ C.
I place an ice cube with a mass of 0.223 kg and a temperature of −35°C...
I place an ice cube with a mass of 0.223 kg and a temperature of −35°C is placed into an insulated aluminum container with a mass of 0.553 kg containing 0.452 kg of water. The water and the container are initially in thermal equilibrium at a temperature of 27°C. Assuming that no heat enters or leaves the system, what will the final temperature of the system be when it reaches equilibrium, and how much ice will be in the container...
A 190.0 g piece of lead is heated to 87 °C and then dropped into a...
A 190.0 g piece of lead is heated to 87 °C and then dropped into a calorimeter containing 679.0 g of water that initially is at 20.0°C. Neglecting the heat capacity of the container, find the final equilibrium temperature, in °C, of the lead and water. --Show all work please! Thank you
a 25.0g piece of aluminum (molar heat capacity of 24.03 J/g degrees Celsius) is heated to...
a 25.0g piece of aluminum (molar heat capacity of 24.03 J/g degrees Celsius) is heated to 82.4 degrees Celsius and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g degrees Celsius) initially at 22.3 degrees Celsius. The final temperature of the water is 24.98 degrees Celsius. Calculate the mass of water in the calorimeter.
A mass of 43.0 g of an unknown solid initially at 130.0 ∘C is added to...
A mass of 43.0 g of an unknown solid initially at 130.0 ∘C is added to an ideal constant pressure calorimeter containing 100.0 g of water (Cs,water=4.184J/(g⋅∘C)) initially at 20.0 ∘C. After the mixture reaches thermal equilibrium, the final temperature is recorded to be 36.49 ∘C. What is the specific heat capacity of the unknown solid? Express your answer to three significant figures.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT