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write the equilibrium constant expression, Kc, for each of the following reactions: a)2HBr(g)<>H2(g)+Br2(g). b)2BrNO(g)<>Br2(g) + 2NO(g). c)CH4(g)+H2O(g)<>CO(g)+3H2(g).
Explain the factors that affect the acidity of carboylic acids. Why does this matter/ give evidence to support your claims and use a reaction
Platinum(II) forms many complexes, amond them those with the following ligands. Give the formula and charge of the complex with two ammonia molecules and one oxolate ion(C2O4^2-).
Use the Causius Claperyon Equation to calculte the standard enthalpy of vaporization of ethnaol that its vapor pressure is 44.22 torr at 293 K and 350.8 torr at 333 K.
Salicylic Acid is used to make asprin. Salicylic acid contains 60.8 mass % Carbon, 4.4 mass % Hydrogen and 34.8 madd % of Oxygen. What is the empirical formula for Salicylic acid?
Detremine the volume of CO2 produced at the temperature of 23 degree celsius and pressure of 0.985atm?
What is the pH of a buffer that results when 0.50 mole of Na3PO4 is mixed with 0.75 mole of HCl and diluted with water to 1.00 L? The acid dissociation constants for phosphoric acid
What is the freezing point of a solution containing 3.10 grams benzene (78.11 g/mol) dissolved in 32.0 grams paradichlorobenzene
Classify the following as exothermic or endothermic reactions: a) The energy level of products is lower than that of the reactant. b) In the body, the synthesis of proteins requires energy. c) 125kJ is absorbed.
M+ is added to a solution of 0.0035 M X- and 0.0016 M Z-. MX has Ksp = 8.2 × 10^-9, while MZ has Ksp = 1.7 × 10^-10. What percentage of the Z- is still in solution (not precipitated) when the MX just starts to precipitate? Answer in units of %.
Which of the following solvents, hexane, methylene chloride, acetone, or methanol will give the best seperation on a TLC plate of a mixture composed of
If a sample containing 2.01 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
a 50 ml solution containing NaBr was treated with excess AgNo3 to precipitate 0.2146g of AgBr. what is the molarity of NaBr in the solution.
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