A 0.250 g sample of a magnesium-alumnium alloy dissolves completely in an excess of HCL(aq). When the liberated H2(g) is collected over water at 29 deg C and 752 torr, the volume is found to be 307 mL. The vapor pressure of water at 29 deg C is 30.0 torr. How many moles of H2 can be produces from x grams of Mg in Magnesium-aluminum alloy? The molar mass of Mg is 24.31 g/mol. Express your answer in terms of x to four decimal places. Thanks for your help in advance!

In a closed or isolated system , matter can not be created or destroyed. it can change forms but is conserved true or false

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?