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consider the reaction of 5.0g of propane with 10.0ml ofmolecular bromine to form 2,2 dibromopropane and hydrogenbromide.a. look up the molecular weight of propane (44.1) andcalculate the moles of propane present before the reactionb. look up the density of and molecular weight ofbromine and calculate the moles of molecula bromine present beforethe reactionc. Determine whether propane or bromine is the limitingreactantd. calculate the mass (g) of the excess reactant after thereaction is completee. calculate the theoretical yeild (g) of 2,2dibromopropanef. suppose that 15.58g of 2,2 dibromopropane were actuallyformed in the reaction. Calculate the percent yield of2,2-dibromopropane.g. look up the density of 2,2 dibrompropane and calculate thevolume of 15.58g of dibromopropane.2. Calculate the number of mmol of HCL in 3.0ul of 12 MHCL
A helium-filled weather balloon has a volume of 815 L at 22 oC and 752 mmHg. It is released and rises to an altitude of 7.16 km, where the pressure is 364 mm Hg and the temperature is -25oC
What is ?, the electromotive efficiency to three significant figures?? Open the hint panel below for the definition of electromotive efficiency. (d) What is the pH of an unknown that gives a reading of 19.6 mV with this electrode at 30°C?
Calculate the molarity of a solution of glycerol made by dissolving 66.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mm, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mm?
Give the balanced thermochemical equation for the following reactions. show the correct physical state in each equation.
Calculate the molarity of a solution made by dissolving 0.650 grams of Na2SO4 in enough water to form exactly 880 mL of solution.
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
An unknown compound with a molecular formula of C8H18 reacts with chlorine in the presence of light and heat
Draw graphs representing Boyle's law, Charles's law, and Gay-Lussac's law for a fixed amount of gas. Make sure that you label each axis and state the assumptions for each law-that is, the variable(s) that is (are) held constant for each law.
a gas mixture consists of N2, O2, and Ne where the mole fraction of N2 is .55 and the mole fraction of Ne is .25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present.
Calculate the entropy change when 100 g of argon is heated and compressed from 300 K, 1.0 atm, to 900 K, 17 atm
How much energy would be absorbed as heat by 75 g of iron when heated from 295 K to 301 K? (Cp for iron=0.449 J/g*C)
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