
(a)
Interpretation:
The joules are in
Concept introduction:
The calorie
The conversion factor to convert
The conversion factor to convert
(a)

Answer to Problem 6.98P
Explanation of Solution
The conversion of one unit into another can be done using a proper conversion factor. Conversion factors are the ratios that relate the two different units of a quantity. It is also known as dimensional analysis or factor label method.
(b)
Interpretation:
The joules in
Concept introduction:
The calorie
The conversion factor to convert
The conversion factor to convert
(b)

Answer to Problem 6.98P
Explanation of Solution
The conversion of one unit into another can be done using a proper conversion factor. Conversion factors are the ratios that relate the two different units of a quantity. It is also known as dimensional analysis or factor label method.
(c)
Interpretation:
The mole of methane that must be burned to give
Concept introduction:
The standard enthalpy of reaction is calculated by the summation of standard enthalpy of formation of the product minus the summation of standard enthalpy of formation of reactant at the standard conditions. The formula to calculate the standard enthalpy of reaction
Here, m and n are the
(c)

Answer to Problem 6.98P
Explanation of Solution
The balanced chemical equation for the reaction of
The formula to calculate the standard enthalpy of a given reaction
Substitute
The number of moles that must be burned to give
A combustion reaction is a reaction in which reactant is reacted with molecular oxygen to form the product.
(d)
Interpretation:
The cost per mole of methane is to be calculated.
Concept introduction:
The calorie
(d)

Answer to Problem 6.98P
Explanation of Solution
The number of moles in
The cost per mole of methane is calculated as follows:
The conversion of one unit into another can be done using a proper conversion factor. Conversion factors are the ratios that relate the two different units of a quantity. It is also known as dimensional analysis or factor label method.
(e)
Interpretation:
The cost to warm
Concept introduction:
Specific heat capacity
Here,
Density is defined as mass per unit volume. Mass and volume are physical quantities and the units of mass and volume are fundamental units. Density is the ratio of mass to the volume. The unit of volume is derived from the units of mass and volume. The SI unit of density is
The conversion factor to convert
The conversion factor to convert
(e)

Answer to Problem 6.98P
The cost to warm
Explanation of Solution
Rearrange the equation (3) to calculate mass of water.
Substitute
Substitute
The cost to warm
The conversion of one unit into another can be done using a proper conversion factor. Conversion factors are the ratios that relate the two different units of a quantity. It is also known as dimensional analysis or factor label method.
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Chapter 6 Solutions
Loose Leaf for Chemistry: The Molecular Nature of Matter and Change
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