What could your family do to decrease the amount of trash you throw away?

Find the mass, in grams, of 5.00*10^23 molecules of f2

Which of the following is a physical property flammability heat of combustion solubility and toxicity

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.