The energy in fossil fuels comes from
Select one:
a. soft and hard coal.
b. solar ener...
Physics, 17.10.2021 17:40 damien0lozano
The energy in fossil fuels comes from
Select one:
a. soft and hard coal.
b. solar energy stored by plants.
c. oil and natural gas.
d. sugars made by plants.
Answers: 3
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Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons
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An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
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