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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)
A 275-g sample of nickel at 100.0C is placed in 100.0 mL of water at 22.0C. What is the final temperature of the water.
The heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) 2 NH3(g) + CO2(g) At a certain temperature the equilibrium pressure of the system is 0.318 atm. Calculate KP for the reaction.
A flask contains 0.180 of liquid bromine br2, . Determine the number of bromine molecules present in the flask.
A voltaic cell consists of a Mn/Mn2+ electrode (E°= -1.18 V) and a Fe/Fe2+ electrode (E°= -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C.
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
Converting Voltages, Convert the following voltages. Assume the silver-silver chloride and calomel reference electrodes are saturated with KCl, giving cell potentials of +0.197 V and +0.241, respectively.
osmium has a density of 22.6 g/cm3. what volume (in mL) would be occupied by a 21.8 g sample of osmium?
Calculate How many grams of H2O at temperature 25 degree Celsius should be poored on the ice with no water in flask initially.
A graduated cylinder contains 10.0 of water. What is the new water level after 36.0 of silver metal is submerged in the water.
When 1.00 g of urea (CO(NH2)2) is dissolved in 200g of solvent A, the freezing point is lowered by 0.250C. When 1.50 g of the nonelectrolyte Y is dissolved in 125 g of the same solvent
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