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Consider the following chemical equation. SO2(g) + O2(g) ? SO3(g) If 1.30 L of sulfur dioxide gas reactions with 3.25 L of oxygen gas, what is the volume of sulfur trioxide produced? Assume all gases are at the same temperature and pressure.
A solid sample containing some Fe^2+ ion weighs 1.062 g. It requires 24.12 mL 0.01562 m KNno4 to titrate Fe^2+ in the dissolved sample to a pink end point
what is the maximum mass of product (oil of wintergreen) that could be formed? The density of methanol is 0.791 g/mL.Give your answer in grams with 3 significant figures.
Given 174 mL of a buffer solution that is 0.23 M formic acid and 0.28 M sodium formate, calculate the pH of this solution after the addition of 1.93 mL of 5.2 M sodium hydroxide. The Ka of formic acid is 1.8x10-4
A brand of lunchmeat contains 0.11% by mass of a preservative, sodium benzoate, C6H5COONa. Health Canada recommends a an upper level intake of Na to be 2300 mg
when extracting an organic compound from an aqueous solution into an organic solvent e.g. diethyl ether a chemist will
When a strontium salt is ignited, it burns with a red flame. The frequency of the light given off by this flame is greater than
Calculate the molar concentration of OH- ions in a 0.550 M solution of hypobromite ion (BrO-; Kb=4.0 x 10^-6). What is the pH of this solution?
A compound composed of iron and carbon monoxide, Fe x (CO) y, is 30.70% iron. What is the empirical formula for the compound
The double head arrow represents an equilibrium arrow, not a resonance arrow. A reaction mixture, initially contains 11 mol of A and 0 mol of B in a fixed volume of 1 L.
Consider the following balanced equation: 2 N2O5 → 4 NO2 + O2. If a 5.00 g sample of N2O5 undergoes this reaction, how many grams of O2 will also be formed?
in a coffee-cup calorimeter 1.50 g of nh4no3 is mixed with 76.0 g of water at an initial temperature of 25.00degc.
A 1004.0 g sample of calcium carbonate that is 95% pure gives 225 L of carbon dioxide at STP when reacted with an excess of hydrochloric acid. What is the density in g/L of the carbon dioxide?
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