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How many ml of a 0.050 M kMno4 solution are required to oxidize 2.00 g of feso4 in a dilute solution
diatomic oxygen to form nitric oxide and water vapor: 4NH3 + 5O2 > 4NO + 6H2O When 20.0 g NH3 and 50.0 g O2 are allowed to react, which is the limiting reagent? How much water is produced and how much is left of the excess reagent
Balance the chemical equation when aqueous ammonium phosphate and aqueous calcium choloride are mixed. What is the sum of the coefficeints?
Given the Ksp values for the following precipitates, please predict which precipitate has the largest solubility in the presence of 0.01 M of its composing anions (e.g., in the presence of 0.01 M Cl- ion for AgCl(s)):
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown?
Need to make an aqueous solution of 0.233 M potassium iodide for an experiment in lab, using a 250 mL volumetric flask. How much solid potassium iodide should you add?
A gas-filled balloon having a volume of 2.50L and 1.2 atm and 25 Celsius is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23 Celsius and 3.00 x 10^-3 atm, respectively. Calcul..
how to predict whether a precipitate reaction will occur when aqueous solutions of PbCl2 and (NH4)2S are mixed.
Use Le Chatelier's principle to explain the color change which you observed after the addition of distilled water to the equilibrium mixture above.
Using heat of fusion, specific heat of water, and/or heat of vaporization, calculate the amount of heat energy in each of the following. calories to condense 135 g of steam at 100^{circ}{rm C} and to cool the liquid to 15^{circ}{rm C} (two steps)
a mixture of hydrogen gas of 8.0 mol and oxygen gas of 4.0 mol is placed in a sealed evacuated container made of a
What would be the partial pressures of all the species if NO and Br2, both at an initial pressure of 0.30 atm, were allowed to come to equilibrium at this temperature
Sodium carbonate Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 4.03×103 kg of sulfuric acid solution?
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