Calculate the vapor pressure of water above a solution prepared by dissolving 27.5 gg of glycerin ( C3H8O3C3H8O3 ) in 130 gg of water at 343 KK . (The vapor pressure of water at 343 KK is 233.7 torrtorr .) Express the pressure in torrs to three significant figures.

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

The p sub shell can hold up to 8 electrons in an atom. true or false?

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?