PLZ HELP ME!!! Which of these would DECREASE the solubility of a solid in water? A) decreasing air pressure B) increasing air pressure C) increasing water temperature D) decreasing water temperature

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]

You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?