How could this gravitational potential energy be transformed into kinetic energy?

A.

He could start the engine.

B.

He could release the brakes.

C.

He could push it up the hill.

D.

all of these

Water is a compound. Does water contain elements? Explain.

How does the chemical formula relate to the number of particles that result from the dissociation of molecule?

Which compound is classified as an electrolyte? a) C6H12O6 b) Ca (OH) 2 c) C12H22O11 d) CH3OH

Which of the following types of molecules always has a dipole moment? Linear molecules with two identical bonds. Trigonal pyramid molecules (three identical bonds). Trigonal planar molecules (three identical bonds equally spaced).

Describe what a geologist would observe if she poured acid on the sculpture

What is demetri mendeleyev given credit for developing

Acetone used for rinsing glassware Group of answer choices 1. Pour it down the sink where you are rinsing the glassware 2. Collect it and dispose of it in the organic or acetone waste container 3.

Suppose a 500. mL fiask is filled with 1.8 mol of Cl 2, 0.60 mol of HCl and 0.40 mol of CCl4. The following reaction becomes possible: ci2 (g) + CHCİ 3 (g) - HCI (g) + CC, (g) The equilibrium constant K for this reaction is 5.

What combination of factors can change dry ice into a liquid

Rob is conducting an experiment in which he measures a person's body temperature in response to changes in air temperature. What is the independent variable that is manipulated in the experiment?