What is the best explanation for the observation that h2o is a liquid at room temperature and h2s is a gas at room temperature? quizlit?

What is the name of the enzyme that forms at the start of transcription?

How many atoms are in 2 moles of phosphorus?

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.