Consider the following equation in chemical equilibrium:

c2h4(g) + h2(g) < -> c2h6(g) + 137 kj
when the temperature of the system is increased,
what happens to the amount of ethane (c2h6)?

a. the amount of ethane decreases.
b. the amount of ethane increases.
c. the amount of ethane decreases initially and then increases.

What are transitions between a liquid and a solid called? identify which way they are transitioning

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules