In an experiment , you weighed 0.500 gallon of milk and found the weight , not including the container , to equal 1.9674 kg. how many pounds does 1.00 gallon of milk weigh ? use three significant figures for your answer .

What is the most stable monatomic ion formed from nitrogen

  the mississippians were considered to be  horticulturalists, which means they were

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.