How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer