Which of the Following Fuels Has the Highest Fuel Value $\Delta$

question 128

Multiple Choice

Which of the following fuels has the highest fuel value (kJ/g) ?

• A) natural gas, CH₄(g), 16.0 g/mol, \(\Delta\)H_comb = -801 kJ/mol
• B) ethanol, CH₃CH₂OH(l), 46.1 g/mol, \(\Delta\)H_comb = -1,368 kJ/mol
• C) heating oil, C₁₆H₃₄(l), 226 g/mol,\(\Delta\)H_comb = -10,800 kJ/mol
• D) coal, C₁₃₅H₉₆O₉NS(l), 1906 g/mol, \(\Delta\)H_comb = - 44,000 kJ/mol
• E) wood, C₆H₁₂O₆(l), 180 g/mol, \(\Delta\)H_comb = -2,540 kJ/mol

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Definitions:

Main Memory

The primary volatile memory in a computer where programs and data in current use are kept so they can be quickly reached by the computer's processor.

ALU

ALU stands for Arithmetic Logic Unit, a crucial component of the CPU that handles arithmetic and logic operations.

Microprocessor

A small, integrated circuit that performs the functions of a central processing unit of a computer.

CPUs

The central processing units of a computer, which are the primary components responsible for executing instructions and processing data.