5) 15.0 grams of Mg(NO3)2 contains how many representative particles? (Molar mass of Mg(NO3)2 = 148.3 g/mol)

Gaseous methane (CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) and gaseous water (H,O). If 0.788 g of water is produced from the reaction of 1.3 g of methane and 9.3 g of oxygen gas, calculate the percent yield of water. Round your answer to 2 significant figures. alo

Liquid hexane carbon dioxide is produced from the reaction of 40.50 g of hexane and 270.0 g of oxygen gas, calculate the percent yield of carbon dioxide. (CH3(CH2) CH3) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (CO2) and gaseous water (H₂O). If 96.8 g of Be sure your answer has the correct number of significant digits in it. A %

Part A Consider the reaction: 3Ba(s) +N2 (9)-Bay N2(s). Part B ck on How many moles of nitrogen gas react? Express your answer with the appropriate units. ? Value Units Submit Request Answer