How many molecules of oxygen gas are present in
1.0 dm3 of the gas at s. t.p.?

Is laundry detergent an acid or a base?

How have the greenhouse gasses increased from the year 2000 to 2018

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number