How many moles of water are made from complete reaction of 2.2 moles of oxygen gas with hydrogen gas?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+