What volume (in mL) of a 0.250 M sodium sulfate solution is needed to precipitate all the barium, as barium sulfate, from 12.5 mL of a 0.150 M barium nitrate solution? Provide the balanced chemical equation:

Express the following number in scientific notation. 0.026890 =

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).