
Concept explainers
(a)
Interpretation:
The fuel that produces the smallest mass of CO2 per gram of fuel should be identified.
Concept Introduction:
The graphite also known as plumbago isa crystalline allotrope of carbon. It is a local mineral element form of coal. Graphite is steadier in nature under the standard state.
Methane has the molecular formula (CH4) in which it contains one carbon and four hydrogens. It is the class of 14- hybrid and the simplest
Methane has gaseous state under normal conditions for particular temperature and pressure.
Butane an organic compound having molecular formula C4H10 is nothing but the alkane with four carbon atoms.
It is in gaseous state under the room temperature and atmospheric pressure.
(b)
Interpretation:
The fuel that produces the smallest mass of CO2 per kilojoules of heat evolved should be identified.
Concept Introduction:
The graphite also known as plumbago is a crystalline allotrope of carbon. It is a local mineral element form of coal. Graphite is steadier in nature under the standard state.
Methane has the molecular formula (CH4) in which it contains one carbon and four hydrogens. It is the class of 14- hybrid and the simplest alkane. It is the main component of natural gas.
Methane has gaseous state under normal conditions for particular temperature and pressure.
Butane an organic compound having molecular formula as C4H10 is nothing but the alkane with four carbon atoms.
It is in gaseous state under the room temperature and atmospheric pressure.

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Chapter 15 Solutions
EBK CHEMISTRY FOR CHANGING TIMES
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