Question

**State which material loses energy and which material gains energy** If 500 g of brass at...

**State which material loses energy and which material gains energy**

If 500 g of brass at 200 degree celsius and 300 g of steel at 150 degree celsius are added to 900 g of water in an aluminum pan of mass 150 g of both at 20 degree celsius, find the final temperature, assuming no loss of heat to the surroundings.

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
A 500-g aluminum container holds 300 g of water. The water and aluminum are initially at...
A 500-g aluminum container holds 300 g of water. The water and aluminum are initially at 40∘C. A 200-g iron block at 0∘C is added to the water. Assume the specific heat of iron is 450 J/kg⋅∘C, the specific heat of water 4180 J/kg⋅∘C and the specific heat of aluminum is 900 J/kg⋅∘C . 1Determine the final equilibrium temperature.    2.Determine the change in thermal energy of the aluminum 3.Determine the change in thermal energy of the water. 4. Determine...
A 771-g aluminum pot contains 520 g of water. Their temperature is 93.5 degree C. 260...
A 771-g aluminum pot contains 520 g of water. Their temperature is 93.5 degree C. 260 g of water at 1.87 degree C are added to the pot. Calculate the final temperature of the water and the aluminum after they reach thermal equilibrium. Assume no heat is exchanged with the surroundings. Express your answer in degree C.
Q 4. A metal block of heat capacity 600 J K-1 loses 1 M.J of heat...
Q 4. A metal block of heat capacity 600 J K-1 loses 1 M.J of heat energy to its surroundings. Find the decrease in temperature. Q5. One mega joule of heat energy is supplied to a piece of iron and raises its temperature from 20?C to 200?C. Find the mass of the piece of iron.( Specific heat capacity of iron =451Jkg-1K-1 Q6. 30grams of water at 100?C are added to 100 grams of water at 20?C. If there is no...
A 200 g aluminum calorimeter can contain 500 g of water at 20 C. A 100...
A 200 g aluminum calorimeter can contain 500 g of water at 20 C. A 100 g piece of ice cooled to -20 C is placed in the calorimeter. - Find the final temperature of the system, assuming no heat losses. (Assume that the specific heat of ice is 2.0 kJ/kg K) - A second 200 g piece of ice at -20 C is added. How much ice remains in the system after it reaches equilibrium? - Would your answer...
A 200g aluminum calorimeter can contain 500 g of water at 20 C. A 100 g...
A 200g aluminum calorimeter can contain 500 g of water at 20 C. A 100 g piece of ice cooled to -20 C is placed in the calorimeter. a) find the final temperature of the system, assuming no heat losses. (Assume that the specific heat of ice is 2.0 kj/kg K) b) A second 200 g piece of ice at -20 C is added. How much ice remains in the system after it reaches equilibrium? c) would your answer in...
An insulated aluminum calorimeter vessel of 150 g mass contains 300 g of liquid nitrogen boiling...
An insulated aluminum calorimeter vessel of 150 g mass contains 300 g of liquid nitrogen boiling at 77 K. A metal block at an initial temperature of 303 K is dropped into the liquid nitrogen. It boils away 15.8 g of nitrogen in reaching thermal equilibrium. The block is then withdrawn from the nitrogen and quickly transferred to a second insulated copper calorimeter vessel of 200 g mass containing 500 g of water at 30.1 degrees celsius. The block coolds...
(a) A student drops two metallic objects into a 120 g steel container holding 150 g...
(a) A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25◦C. One object is a 200 g cube of copper that is initially at 85◦C, and the other is a chunk of aluminum that is initially at 5◦C. To the student’s surprise, the water reaches a final temperature of 25◦C, precisely where it started. What is the mass of the aluminum chunk? Specific heats of water, steel, copper, and aluminum are...
1. A piece of a metal (34.9 g) was heated to 95.0 degrees C and then...
1. A piece of a metal (34.9 g) was heated to 95.0 degrees C and then added to 550-g water having an initial temperature of 28.2 degrees C. If the final temperature of the water and the metal is 31.2 degrees C, calculate the specific heat (s) of the metal. Assume not loss of energy to the surroundings! Show work! 2. A -10.0 mL solution of 0.320 M KOH was mixed with 25.0mL of 0.120 M HBr solution. Which one...
The following experiment is performed to calculate the specific heat of a certain metal. A 500...
The following experiment is performed to calculate the specific heat of a certain metal. A 500 gram container made of the metal contains 600 grams of at at a) water. Both are initially at 25.0 'C. Now a 200 gram piece of the metal 90.0 'C is placed in the water. The entire system comes to equilibrium 30.9 "C. specific heat of water = cwate=r 1.0Ocal/(gm "C) a)Assuming no heat loss to the surroundings, calculate the specific heat of the...
Heat is the Total internal energy of an object Average kinetic energy of molecules Measure of...
Heat is the Total internal energy of an object Average kinetic energy of molecules Measure of potential energy of molecules Same thing as very high temperature The specific heat of copper is 0.093 cal/g⁰C, and the specific heat of aluminum is 0.22  cal/g⁰C. The same amount of energy applied to equal masses, say, 50 g of copper and aluminum, will result in A higher temperature for copper A higher temperature for aluminum The same temperature for each metal Unknown results The...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT