Achemical reaction’s speed can be increased by a. using a catalyst b. decreasing pressure of gases c. using an inhibitor d. adding less heat

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d