What is true of heat capacity?
a. It is the measure of an object's response to an input of heat.
b. It is the measure of heat required to raise the temperature of one gram by 1? Celsius.
c. It is the measure of energy produced by random vibrations of atoms or molecules.
d. It is a consistent amount across various substances
ANS: B
The heat capacity of a substance is the amount of heat needed to raise the temperature of one gram by
one degree Celsius. Heat capacity changes for each substance and is measured in calories per gram.
Information can be found in the section Water Has Unusual Thermal Characteristics
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In the above diagram, which atom is oxidized, the darker colored atom or the lighter colored atom?
A. Both of the atoms are oxidized. B. Neither of the atoms is oxidized. C. Only the lighter colored atom is oxidized. D. Only the darker colored atom is oxidized.
Organisms with inherited, advantageous traits are able to leave more offspring than organisms with other traits. This describes
A. genetic variation. B. natural selection. C. inheritance of acquired characteristics. D. fitness.
The unique preservation of soft-bodied fauna in the Burgess Shale occurred because of all of the
following except a. animals and plants were carried by turbidity flows to aerobic deep-sea conditions b. animals and plants were transported to anaerobic conditions c. bacteria weren’t able to destroy organisms at the burial site d. the organisms were compressed and compacted e. none of the above
In the Northern Hemisphere, north facing slopes are generally colder, have slower snowmelt, lower evapotranspiration rates, and more moisture for plants than south facing slopes do
Indicate whether the statement is true or false