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Calculate the number of moles of carbon atoms present in 2.2 g of ethanol (C2H6O).
CS2(l) + 3 O2(g) -→ CO2(g) + 2 SO2(g) . If 1.18 mol of CS2 is combined with 1.55 mol of O2, identify the limiting reactant.
Does adding a catalyst effect equilibrium? Will it shift towards products if I add a positive catalyst?
Question- How many kj of heat are required to vaporize 50.0 g of ethanol (C2H6O)? The boiling point of ethanol is 78. 3 C. It's molar heat of vaporization is 38.6 kj per mole.
Problem- Decontaminate water containing lead ions by precipitation with iodide ions. The scientist wants the final [Pb2+]=1.00Ã-10?7 M. What must the [I?] be in this solution in order to achieve this? For lead (II) iodide, Ksp=9.8Ã-10?9.
A laboratory method of preparing oxygen gas involves decomposition of solid potassium chlorate. The products of the reaction are solid potassium chloride and oxygen gas.
the mixture separates into two phases. Utilize a graphing calculator to calculate the mole fraction of CCl4 and CS2 phase at 298 K and then again at 375K.
At a certain temperature the following reactions have the constants shown- Calculate the equilibrium constant Keq for the following reaction at that temperature- 2SO2 (g) + O2 (g) 2SO3 (g)
identify the oxidizing agent and balance the equation by using oxidation and reduction half reactions.
A solution is prepared by dissolving 0.23 mol of acetic acid and 0.27 mol of sodium acetate in water sufficient to yield 1.00 L of solution. What is the pH change (pH) caused by the addition of 0.05 mol of HCl to this buffer solution
Estimate the average spacing between water molecules in liquid water by making use of 2 pieces of information: (a) liquid water has a density of 1 g/cm^3
Dentists might use a mixture of 40% N2O and 60% O2 as an initial anesthetic of nitrous oxide(although exact proprtions may vary). Determine the entropy of mixing for 1 mole of such a mixture. Assume ideal gas conditions.
What is the final concentration of (in M) 17.2 mL iron(III) chloride solution with an initial concentration of 0.245 M which is diluted with 16.7 mL of solvent? Assume the volumes are additive.
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