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What is the mole fraction of solute and the molal concentration for an aqueous solution that is 12.0% NaOH by mass?
How many moles of CF4 can be produced when 4.00 mol C react with 12.00 mol F2?
Calculate the amount of energy released in the formation of one mole of BaO bonds(not Lattice energy) The radius of the barium ion is 1.35 Angestrom
What is the system? What is the surrounding? In what direction does the heat flow? Is the process endothermic or exothermic?
methane and hydrogen sulfide form when 36g H2 reacts with carbon disufide. Calculate the percent yield if the actual yield of CH4 is 69.8
NaOH is added to K2CrO4 and K2Cr2O7 separately in test tubes and a color change is noted.
Initially a mixture contains 0.795 mol each of N2 and O2 in an 8.00 L vessel. Find the equilibrium composition of the mixture at 3900 degrees Celcius.
If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?
Determine the energy in joules of a mole of photons coupled with red light of wavelength
what is the minimum amount of 6.0 M H2SO4 neccessary to produce 23.5 g of H2(g) according to the following reaction? 2Al(s) +3H2SO4(aq) --> Al2(SO4)3(aq) + 3H2(g)
A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
Determine the intermolecular distances for the two molecules and account for their similarity or difference.
A standard men's basketball has a circumference of 29.5 inches. If I fill the ball with Helium to the recommended 9.0 psi at room temperature (25 C), how many grams will the Helium in the ball weigh?
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