Calculate the amount of heat needed to boil 127. g of benzene (CH), beginning from a temperature of 59.1 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. X

In the lab, a cube of granite has a mass of 25.9 grams and its temperature rises from 25.1°C to 73.8°C when placed outside in the sun for a period of time. Calculate the amount of heat absorbed by the granite. The specific heat of granite is 0.79 J/g°C . Round your answer to 1 decimal place.

Calculate the amount of heat needed to boil 115. g of acetic acid (HCH,CO,), beginning from a temperature of 33.9 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. x10

Try Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. Calculate the amount of heat needed to melt 130. g of solid acetic acid (HCH³CO₂) and bring it to a temperature of 64.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 38.2 kJ x10 X S

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A student calibrated a 10-mL graduated cylinder using water. The empty graduated cylinder weighed 24.378 grams. When it was filled with 9.89 mL of deionized water, it weighed 33.826 grams. The temperature of the water was 21.8oC. What is the density of water, based on these measurements?

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Constants I Periodic Table Part A How much heat must be absorbed by a 13.0 g sample of water to raise its temperature from 13.0 C to 40.0°C? (For water, C, = 4.18J/g C) Express your answer to three significant figures and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 29 attempts remaining Provide Feedback acer

Calculate the amount of heat needed to boil 182. g of benzene (CH), beginning from a temperature of 64.6 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 0 x10 X

A sheet of gold weighing 9,6 g and at a temperature of 16.4 °C is placed flat on a sheet of iron weighing 18.5 g and at a temperature of 50.1 "C. What is the final temperature of the combined metals? Assume that no heat is lost to the surroundings Be sure your answer has the correct number of significant digits. 0