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Theoretical yield of vanadiumWhat is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5 with 40.0 g of calcium based on the following chemical reaction.V2O5(s) + 5Ca(l) --> 2V(l) + 5CaO(s)
What color- red or blue- would you expect each of the following to produce when added to litmus
A cook wants to heat 1.35 of water from 32.0 to 100.0 .If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn.
Calculate the maximum numbers of moles and grams of iodic acid (HIO3) that can form when 635g of iodine trichloride reacts with 118.5g of water.
What is the ground state electron configuration for the boron atom? What term symbols can arise from this electron configuration?
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
The density of titanium metal is 4.51g/cm3 at 25C. what mass of titanium displaces 125.0ml of water at 25c.
Our quality control department is being moved to a different location and will not be able to handle any projects for a few weeks.
A 12.0g sample of a gas has a volume of 5.25L at 29 degrees celcius and 764mmhg . If 2.7g of the same gas is added to this constant 5.25L volume and the temperature raised to 67 degrees celcius.
What is the boiling point of a 0.800 molal solution of sugar in water? Kb = 0.512C/m for water. Sugar does not dissociate in solution and pure water boils at 100C.
Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl.
What is the molarity of a HCl solution if the reaction of 200 mL of the HCl solution with excess CaCO3 produces 14.0 L of CO2 gas at 725 mmHg at 18 degree celsius.
What is the new boiling point point of water if you add 188 grams of magnesium chloride to 1250 g of water.
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