The largest reserve of energy in the United States is in what form?
a. Oil
b. Natural gas
c. Coal
d. Nuclear
c
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The Kelvin form of the second law of thermodynamics states that
A. an engine can take heat from a single reservoir and convert it all to work B. no engine can take heat from a single reservoir and convert it all to work C. an engine can have a greater efficiency than a Carnot engine
Compounds that have the same molecular formula but different structural formulas are called structural, or constitutional,
a. isomers. b. derivatives. c. congeners. d. isotopes. e. progeners.
In dielectric materials the polarization is small, _________, and reversible.
Fill in the blank(s) with the appropriate word(s).
The symbol for a certain isotope of strontium is Sr. What is the mass number of this isotope?
A) 38 B) 52 C) 88 D) 90 E) 128