Which statement regarding the second law of thermodynamics is true?

a.
heat can transfer from a cold to a hot body without converting a certain amount of work to heat energy.

b.
heat cannot transfer from a hot to a cold body without converting a certain amount of work to heat energy.

c.
heat cannot transfer from a cold to a hot body without converting a certain amount of work to heat energy.

d.
heat cannot transfer from a cold to a hot body without transferring mass first.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

What is the relationship of air masses and the temperature of oceans?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?