A reaction that requires free energy:

a. must be endothermic.

b. is nonspontaneous.

c. must correspond to a decrease in entropy.

d. is spontaneous.

A. What is the change in internal energy if 500 J of heat is added to a system and 100 J of work is done by the system? Show your work. b. Describe two sets of conditions of heat and work that cause a decrease in internal energy. c.

In order to become. Ions will combine with other ions to form new substance

In the chapter on "Assembling the Rooms" in The Place of Houses the houses of Andrea Palladio are discussed in terms of the way their rooms are arranged. (The Villa Rotunda which we discussed in an earlier lecture fits their descripLon perfectly.

While skiing, Sam flies down a hill and hits a jump. He has a mass of 75kg and he leaves the jump at 18 m/s what is his momentum as he leaves the jump?

What is the net force of an object travelling at a constant velocity of 50 miles per hour south

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?

If the speed of a vehicle was reduced from 65 miles per hour to 35 miles per hour, by approximately how many kilometers per hour was the speed reduced? (1 kilometer = 0.62 mile, rounded to the nearest 0.01 mile)

What is the acceleration rate of an object if the amount of force applied on the object is 75 Newtons and the object has a mass of 15 kilogram?

Two children pulling the rope with the same force in opposite direction is that an unbalanced force or a balanced force

During sublimation particles in a solid room deodorizer move directly into the air as a gas how does the movement of the deodorizer particles change? the particles ___.