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Consider the reaction 4KO2(s) + 2CO2(g)->2K2CO3(s) + 3O2(g) . How much KO2 is needed to react with 75.0 L of carbon dioxide at STP?
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Write the electron configuration of selenium. List the following compounds in order of increasing lattice energy: NaCl, NaBr, MgO, CaO.
Determine the mass of sodium phosphate that yields 1.00 g of calcium phosphate precipitate.
Find the volume of oxygen gas required to react completely with iron and Calculate the volume of oxygen gas at STP that is required to completely react with 61.0 g of iron.
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
Determines the rate constant for this reaction and express and determine how many mL of a 0.157M solution of KOH is required to react with 0.385g of CH 3 COOH?
How much heat is required to take a 15.0 g sample of ice with an initial temperature of 0.00oC and raise it to a final temperature of 75.0 oC.
Find the volume and the intermolecular force present in ammonia at STP in the following reaction and What is the intermolecular force is present in NH3(g).
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
how many millileters of a 0.225 M HCL solution are needed to neutralize 259 mL of a 0.0309 M Ba(OH)2 solution.
If 200 mL of 0.300 M Cr(NO3)3(aq) is added to 100 mL of 4.0 × 10^-4 M NaF(aq) at 25 degrees celcius, will a CrF3 precipitate form? For CrF3 in water at 25°C, Ksp = 6.6 × 10^-11.
a gas cylinder witha volume of 3.00 dm^3 contains 8.00 moles of oxygen gas at a temperature of 50.0k. what is the pressure inside the cylinder.
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