Which question would most likely be studied by a physicist? A.
Were there ever any living organisms on Mars?
B.
Should the government spend taxpayers' money to send space probes to Mars?
C.
How can the forces on a space probe be controlled so it will land on Mars?
D.
What type of substances make up the soil on Mars?

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

What is the mass in grams of 12.26 ml of acetone