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What volume of 0.22 M Fe (mL) should be diluted to 440 mL to make a solution containing .017 M Cl-?
Sodium bicarbonate is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread. Calculate the volume (in liters) of carbon dioxide by heating 4.37 g of sodium bica..
For the reaction 3 C2H2(g) C6H6(l) at 25C, the standard enthalpy change is -631 kJ and the standard entropy change is -430 J/K. Calculate the standard free energy change at 25C.
What is the theoretical mass of xenon tetrafluoride that should form when 130 g of xenon is reacted with 100 g of F2? What is the percent yield if only 145 g of XeF4 is actually isolated?
For the reaction: PbCl2(s) ? Pb2+(aq)+2Cl1-(aq), what is Q* when 3.9 mL of 0.080 M lead nitrate is added to 13 mL of 0.020 M sodium chloride? Ksp of lead chloride is 1.6 x 10-5 M3.
What is the longest wavelength (in nm) that can dissociate a molecule of H-I? in nm.
Using 1M aqueous HCl, 1M aqueous NaHCO3 and 1M Aqueous NaOH, could you separate an ethereal solution of benzoic acid and salicylic acid. If so, provide a flow chart indicating how; if not, explain why.
if 10.4 mols of hydrogen h3 and 9.1 mols of oxygen o2 are placed together in a container and allowed to react according
How many grams of oxygen (O2) are needed to completely react with 2.40 g of propane (C3H8) according to the equation below?
The radius of a potassium atom is 235 pm. Determine the density of potassium in g/cm3.
What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at: (i) 30°C, (ii) 50°C? Use liquid at 25°C as a reference state
At equilibrium the concentration of CO (g) was found to be 0.046 M. Calculate the equilibrium constant for the reaction equation at 527 degrees celcius.
how much pv work is done if 88.0 grams of c 2h 4 ethylene and 120 grams of hydrochloric acid hcl are permitted to react
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