What volume of hydrogen gas can be formed from the reaction of exactly ten grams of zinc metal with exactly twenty milliliters of six molar hydrochloric acid?

What is common about these molecules? a.their atoms are held together by covalent bonds. b.they are all made up of the same two atoms. c.their atoms are held together by ionic bonds. d.they are all made up of oxygen atoms only.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)