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Calorimetry — Quiz Answers

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Which statement best describes why specific heat capacity is often more useful than heat capacity for scientists when comparing two materials?

A
Specific heat capacity is an intensive property and does not depend on sample size.
B
Specific heat capacity is an intensive property and depends on the sample size.
C
Specific heat capacity is an extensive property and does not depend on sample size.
D
Specific heat capacity is an extensive property and depends on the sample size.
2
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What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimeter?

A
inability to contain liquids
B
increased evaporation of the water
C
exchange of energy with the surroundings
D
loss of gaseous reactants
3

Which units express heat capacity?

A
degree cap c , cap k
B
cap j over degree cap c , cap j over cap k , cal over degree cap c , cal over cap k
C
the fraction with numerator cap j and denominator open paren g times degree cap c close paren , the fraction with numerator cap j and denominator open paren g times cap k close paren , the fraction with numerator cal and denominator open paren g times degree cap c close paren , the fraction with numerator cal and denominator open paren g times cap k close paren
D
cap j , cal
4

The heat capacity of a sample should be divided by which quantity to find the specific heat capacity?

A
volume in liters
B
temperature in degrees Celsius
C
temperature in kelvins
D
mass in grams
5

The specific heat of water is 4 point 1 8 the fraction with numerator cap j and denominator open paren g times degree cap c close paren and that of wood is 1 point 9 7 the fraction with numerator cap j and denominator open paren g times degree cap c close paren Which statement is correct?

A
Given equal masses, water will heat up less than wood if the same heat is added.
B
Regardless of mass, water will heat up less than wood if the same heat is added.
C
Given equal masses, wood will heat up less than water if the same heat is added.
D
Regardless of mass, wood will heat up less than water if the same heat is added.
9

Which statement defines the heat capacity of a sample?

A
the temperature that a given sample can withstand
B
the temperature of a given sample
C
the quantity of heat that is required to raise 1 g of the sample by 1 times degree C (or Kelvin) at a given pressure
D
the quantity of heat that is required to raise the sample’s temperature by 1 times degree C (or Kelvin)
10

From first to last, which lists the order in which these samples will reach 90 point 0 times degree C ?

A
Ag , Zn , Fe , Al
B
Ag , Al , Zn , Fe
C
Al , Fe , Zn , Ag
D
Al , Fe , Ag , Zn

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Calorimetry — Quiz Answers — Chemistry