Determine the numbers of atoms in each of the following:

5.40g b
0.250 mol k
0.0384 mol k
0.02550g pt
1.00 x 10^-10g au

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?