An empty coffee-cup calorimeter weighs 10 grams. It is filled with water, whose temperature is 31 degrees Celsius, and is weighed again. The weighing scale displayed 55 grams. A metal sample is heated to 90 degrees Celsius and then placed into the coffee-cup calorimeter. The cover, with a thermometer, is quickly put on top of the calorimeter. The temperature reading on the thermometer stabilized at 33 degrees Celsius. The mass of the metal is 6.45 grams, Use 4.184 J/9•0C for the Specific heat of water. What is the specific heat in J/ g.0C of the metal sample?

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter5: Gases, Liquids, And Solids
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An experiment on determining the heat of combustion of propanol (C3H7OH) has the following results:

mass of water inside a can = 100 g

temperature of water before heating = 31°C

temperature of water after heating = 95°C

mass of propanol used = 20 g

Find the experimental standard enthalpy of combustion of propanol in kilojoules per mole. Use 4.184 J J/g∙0C for the specific heat of water.

An empty coffee-cup
calorimeter weighs 10 gramS. It
is filled with water, whose
temperature is 31 degrees
Celsius, and is weighed again.
The weighing scale displayed 55
grams.
A metal sample is heated to 90
degrees Celsius and then placed
into the coffee-cup calorimeter,
The cover, with a thermometer,
is quickly put on top of the
calorimeter. The temperature
reading on the thermometer
stabilized at 33 degrees Celsius.
The mass of the metal is 6.45
grams. Use 4.184 J/9•0C for the
Specific heat of water.
What is the specific heat in J/
g.0C of the metal sample?
Transcribed Image Text:An empty coffee-cup calorimeter weighs 10 gramS. It is filled with water, whose temperature is 31 degrees Celsius, and is weighed again. The weighing scale displayed 55 grams. A metal sample is heated to 90 degrees Celsius and then placed into the coffee-cup calorimeter, The cover, with a thermometer, is quickly put on top of the calorimeter. The temperature reading on the thermometer stabilized at 33 degrees Celsius. The mass of the metal is 6.45 grams. Use 4.184 J/9•0C for the Specific heat of water. What is the specific heat in J/ g.0C of the metal sample?
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