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- Many home barbecues are fueled with propane gas (C3H8). What mass of carbon dioxide is produced upon the complete combustion of 14.5 L of propane.?Assume that the density of the liquid propane in the tank is 0.621g/mL(express answer in kilograms)Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . If 0.879g of water is produced from the reaction of 1.7g of hexane and 4.0g of oxygen gas, calculate the percent yield of water. Be sure your answer has the correct number of significant digits in it.Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. What is the theoretical yield of carbon dioxide formed from the reaction of 37.9g of hexane and 102.g of oxygen gas? Be sure your answer has the correct number of significant digits in it. I keep getting this problem wrong because of the sig. digits, dont round till the end because if it is off by 0.1, it will be incorrect.
- Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. If 4.48g of water is produced from the reaction of 4.31gof hexane and 21.4g of oxygen gas, calculate the percent yield of water.Be sure your answer has the correct number of significant digits in itAmmonium perchlorate NH4ClO4 is a powerful solid rocket fuel, used in the Space Shuttle boosters. It decomposes into nitrogen N2 gas, chlorine Cl2 gas, oxygen O2 gas and water vapor, releasing a great deal of energy. Calculate the moles of oxygen produced by the reaction of 0.075mol of ammonium perchlorate. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . What is the theoretical yield of water formed from the reaction of 79.3g of hexane and 213. g of oxygen gas? Be sure your answer has the correct number of significant digits in it.
- Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . If 3.49g of carbon dioxide is produced from the reaction of 1.7g of hexane and 9.7g of oxygen gas, calculate the percent yield of carbon dioxide.Be sure your answer has the correct number of significant digits in it.Liquid octane (CH3CH26CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O). If 2.24g of water is produced from the reaction of 8.00g of octane and 12.3g of oxygen gas, calculate the percent yield of water. Be sure your answer has the correct number of significant digits in it.Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O.Suppose 61. g of hydrobromic acid is mixed with 44.1 g of sodium hydroxide. Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. I keep getting this problem wrong because of the sig. digits, dont round till the end because if it is off by 0.1, it will be incorrect.
- Combustion reactions are a notable source of carbon dioxide in the environment. Using the followingbalanced equation, how many grams of carbon dioxide are formed when 100.00 g of propane (C3H8) isburned? Express your answer to the correct number of significant figures and you must show all work inthe form of dimensional analysis as shown in Lesson 4. Show molar mass for C3H81. Classify the following statement“In a chemical reaction between two reactants, the excess reagent will be the reactant with the larger mass” as a) always true b) never true c) sometimes true (Record your answer with rounded answer to proper significant digits and the proper units.) 2. Dinitrogen pentoxide reacts with water as represented in the following reaction.N2O5(s)+H2O(l)------>2HNO3(l) If 0.139 g of N2O5(s) were reacted with 0.0550 g of water, how many milligrams of HNO3(l) would be produced?Hint: Determine limiting reagent first. 3. When 7.34 mol of methane burns in excess oxygen gas, what volume of CO2(g) at STP is produced?Hint: Write a balanced chemical reaction equation first.Liquid octane CH3CH26CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . If 9.88g of water is produced from the reaction of 8.00g of octane and 48.2g of oxygen gas, calculate the percent yield of water.Be sure your answer has the correct number of significant digits in it.