Question

A 314 gram sample of water at 67.5 degree Celsius loses 9.60e+03 J of heat. Calculate...

A 314 gram sample of water at 67.5 degree Celsius loses 9.60e+03 J of heat. Calculate the final temperature of the water. ___ degrees Celcius

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

q = mass of water specific heat of H2O(l)  T

then T = q / ( mass of water   specific heat of H2O)

Substitute value in above equation

T = 9600 / (314 4.184) = 7.30

water lose heat therefore it temprature decreases by 7.30 0C

Final tempreture of water = 67.5 - 7.30 = 60.2  0C

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 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.
1. A metal sample, at 20. degree Celsius, has a heat capacity of 0.25 J/C. How...
1. A metal sample, at 20. degree Celsius, has a heat capacity of 0.25 J/C. How much heat it must absorb to increase its temperature to 53 degree Celsius? 2. In a coffee-cup calorimeter, 50.0 g hot water at 60.0 C was mixed with 50.0 g cold water at 20.0 C. If the final temperature is 36.9, what is the heat capacity of the calorimeter in J/C? Specific heat of water is 4.184 J/(g C) 3. Green line of Hg...
There is 300 grams of water in the 200-gram calorimeter cup (inner can). Both are at...
There is 300 grams of water in the 200-gram calorimeter cup (inner can). Both are at room temperature of 20 degrees Celsius. A 100-gram metal sample with an initial temperature of 90 degrees Celsius is placed in the calorimeter resulting. The resulting final temperature of the system is 30 degrees Celsius. If the calorimeter can has a specific heat of 0.2 cal/g-C degree, determine the specific heat of the metal sample
A 150 gram copper bowl (Ccopper = 386 J/kgC) contains 220 grams of water (Cwater =...
A 150 gram copper bowl (Ccopper = 386 J/kgC) contains 220 grams of water (Cwater = 4190 J/Kgc) and both are at 20.0 degrees celsius. A hot 300 gram copper cylinder is dropped into the water, which causes the water to boil and 5.00 grams of water is in turn converted into steam (Lv = 2256 Kj/kg). The final temperature of the system is 100 degrees Celsius. 1. How much heat was transferred to the water? 2. how much heat...
Calculate the specific heat of a metal (in calories/gram-degree C) from the following data. A container...
Calculate the specific heat of a metal (in calories/gram-degree C) from the following data. A container made of the metal has a mass of 3.80 kg and contains 13.1 kg of water. A 1.40 kg piece of the same metal, initially at a temperature of 140 degrees C, is placed in the water. The container and water initially have a temperature of 15 degrees C, and the final temperature of the entire system is 18 degrees C.
Calculate the specific heat of a metal (in calories/gram-degree C) from the following data. A container...
Calculate the specific heat of a metal (in calories/gram-degree C) from the following data. A container made of the metal has a mass of 3.20 kg and contains 13.1 kg of water. A 1.80 kg piece of the same metal, initially at a temperature of 120 degrees C, is placed in the water. The container and water initially have a temperature of 15 degrees C, and the final temperature of the entire system is 18 degrees C.
A 100-gram metal block is initially heated to 100 degrees Celsius. The copper block is then...
A 100-gram metal block is initially heated to 100 degrees Celsius. The copper block is then placed in 200-grams of water at 20 degrees Celsius. The block and the water are allowed to come to thermal equilibrium and reach a temperature of 23.52 degrees Celsius. a.) What is the change in temperature of the block and the water? b.) If the specific heat of water is 4.184 J/g C, what is the heat gained by the water? c.) What is...
A 102.5 g sample of metal beads was heated in a water bath to 99.5deg. Celsius....
A 102.5 g sample of metal beads was heated in a water bath to 99.5deg. Celsius. The metal was then added to a sample of water (25.7g) and the temperature of the water changed from an initial temperature of 20.0 deg. Celsius to a final temperature of 41.5 degree Celsius. A) What was the temperature of the metal at equilibrium? B) What was the temperature change of the metal? C) Calculate the specific heat and the atomic mass of the...
You fill an ice tray with water at 25 degree celsius and place it into the...
You fill an ice tray with water at 25 degree celsius and place it into the freezer. Each cube has a volume of 30 mililiters (a mass of 30 g). Assume that heat is transferred from the water in each cube in the ice cube tray to the surrounding cold air in the freezer at a constant rate of 40 J/min. You can consider that the water (whether liquid or solid) in each cube is at uniform temperature. You can...
a) calculate the percent relative humidity when temperature is at 30 degree Celsius and air contain...
a) calculate the percent relative humidity when temperature is at 30 degree Celsius and air contain 10 gram of water vapor per cubic meters. b) calculate the percent relative humidity when the temperature is at 30 degree Celsius and dew point is at 5 degree Celsius.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT