Exam 15: Energy

Which of the following does NOT result in an increase in entropy?

Isooctane is the main component of lubricants.

The first law of thermodynamics is sometimes called the law of

The overall efficiency of biomass as a method of harvesting solar energy is approximately

The yield of gasoline from crude petroleum can be increased by

In hydraulic fracturing (fracking),high-pressure liquids are forced into fractures in rocks to remove natural gas.

One of the advantages of hydrogen fuel cells as an energy source for space travel is that

A compound that replaced tetraethyllead as an octane booster is

Adding oxygen containing additives,such as methyl tert-butyl ether or ethanol,to gasoline improves octane rating and reduces CO emissions in automobile engines.

The heating of large hydrocarbon compounds with a catalyst in the absence of oxygen is called

Perhaps the first mechanical device used to convert energy into a more useful form was the

Which of the following is NOT a disadvantage of using coal as a fuel source?

When petroleum is separated in a distillation tower,the fraction that does not vaporize is

Discuss the role of conservation in reducing energy consumption.Where could significant energy savings be made in the United States?

The second law of thermodynamics defines

All of the following examples are classified as potential energy EXCEPT

The fraction from the distillation of crude petroleum that is slightly heavier than gasoline is called

________ is the measure of the dispersal of energy in a system.

Which physical state has the lowest entropy?

Which substance is most effective in raising the octane rating of gasoline?