POSSIBLE You have four water samples at different temperatures. In which sample are the molecules vibrating at the fastest speed?

A. Water at -15°C

B. Water at 37°C

C. Water at 78°C

D. Water at 94°C

E. None of the above.

Which of the following units is not an official si unit? mole liter kilogram ampere

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false