When you reacted the zinc with the hydrochloric acid, you collected the hydrogen gas by water displacement. if the pressure in the room were 735 mm hg, and the partial pressure of the water were 22 mm hg, what would be the partial pressure of the hydrogen gas?

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он