Which of the Following Is a Conservative Force? (All Refer

question 49

Multiple Choice

Which of the following is a conservative force? (All refer to a car on a slope.)

• A) The force you exert on the car pushing it uphill.
• B) The force exerted by rain drops falling on the car.
• C) The frictional force of the road on the car.
• D) The gravitational force acting on the car.
• E) The force you exert on the car (pushing it uphill) after it starts to slide downhill.

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Definitions:

% Conversion

The percentage indicating how much of the reactants have been transformed into products in a chemical reaction.

ΔG°

The change in standard Gibbs free energy during a chemical reaction, indicating spontaneity at standard conditions.

Enthalpy

A thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume.

Endothermic

Refers to a process or reaction that takes in energy from the environment, usually as heat.