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A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68g of the compound yields 16.01g of CO2 and 4.37g of H2O. The molar mass of the compound is 176.1g/mol. What is the empirical and molecular formulas of the compound?
In the pie chart graphs the percent natural abundance fo ci-35 (atomic mass 34.969) is represented as grean, and the percent natural abundance for cl-37 atomic mass 36.966 amu is represented as yellow.
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 7.0X10^-2 M NaOH.
How many grams of AgNO3 must be added to 83.0 g of water to make a 2.62 m aqueous solution of AgNO3.
Determine the enthalpy of he reaction. Assume that the density and the specific heat of the solution are the same as water. Include the correct sign.
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the weak acid H2CO3 (aq)
Write chemical equations showing how each of the following weak bases ionizes water to form OH-. With NH3
Is 1.39 at 400oC. Suppose that 1.4 mole of P4 (g) and 1.25 mol of P2(g) are mixed in a closed 25.0-L at 400oC. Determine the reaction quotient and the direction of the reaction.
what is the energy difference between the heats of formation you calculated for carbocation A and B?
calculate the theoretical yield and percentage yield of cyclohexene: cyclohexanol used- 20.0 ml cyclohexene obtained- 12.0 g
If the water in a well has 1000.0 mg/L of CaCO3 dissolved in it, How many grams of Na2C2O4 could you mix with 100.0 mL of that water before a precipitate would form
Why liquids rise in the cappilary tube - explain
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
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