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Questions (9)

In an internal combustion engine, the gas vapor/air mixture enters the cylinder during the ____ stroke.A)intake B)compression
1. 1 answer
2. 743 views
The specific heat capacity of copper is 0.09 cal/g°C. How much energy is needed to flow into a 10-gram sample to change its
1. 1 answer
2. 1,475 views
A wooden walkway and a sandy beach are at the same temperature. The sand feels much hotter because it has a greater ____.A)entro
1. 0 answers
2. 548 views
If the kinetic energy of a sample increases, the ____ will also increase.A)potential energy B)temperature C)chemical energy
1. 1 answer
2. 970 views
Which of the following would by the best conductor of heat energy?A)a plastic spoon B)a wooden spoon C)a metal spoon
1. 2 answers
2. 1,181 views
Matching...1.)zeroth 2.)first 3.)second -heat can change energy from one form to another, but the amount of energy in the
1. 1 answer
2. 668 views
A furnace is used to heat ___A)water B)air C)a refrigerant D)radiant coils
1. 1 answer
2. 861 views
Some refrigerants used in air conditioners have been associated with...A)smog B)destruction of the ozone layer C)thermal
1. 2 answers
2. 800 views
Insulating materials are rated by their..A)specific heat B)heat index C)R-value D)temperature resistance
1. 0 answers
2. 480 views