How many moles of water are produced when 1.44 moles of oxygen gas are produced? 2H2020) --> O2(g) + 2H20 (balanced)​

Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature

Just on number 2 (all parts), and if you do answer explain in detail

Aconversion factor is a ratio of equivalent values used to express the same units in different quantities