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Which formula represents the greatest number of isomers?
A) C2H2Cl2B) CH3COOHC) H2NCH2COOHD) ClCH2COOH
What occurs at the molecular level of an extraction? We did an extraction of benzoic acid using NaOH and diethyl ether dried to 1, 4-dimethoxybenzoate using NaOh
A hydrocarbon undergoes complete combustion to form 6.9 g CO2 and 2.8 g H2O. What is the empirical formula for the hydrocarbon?
2 NO(g) + O2(g) 2 NO2(g) In one experiment 0.633 mole of NO is mixed with 0.354 mole of O2. Calculate also the number of moles of NO2 produced.
In the first 12.0 s of the reaction, 1.8×10-2 mol of {rm{O}}_2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
What is the volume of 135 mL of oxygen gas at 113°C and 870. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
A physiological saline solution contains 154mEq/L each of Na+ and Cl-. How many moles each of Na+ and Cl- are in 0.600L of the saline solution?
if 3.80 mL of vinegar needs 45.0 mL of 0.140 M NaOH to reach equivalence point in a titration, how many grams of acetic acid are in a 1.60 qt sample of this vinegar?
Calculate the equilibrium concentrationsfor this dissolution reaction if one mole of the solid is placed in 1.00 L of water (assume adding the solute does not change the volume of the solution
A precipitate of calcium phosphate is in contact with 653.9 mL of water. How many grams of calcium ion are present in the solution
the alcohol attacking the 2-phenylacetic acid with the subsequent loss of a proton. b. protonation of the ethanol by H2SO4. c. protonation of the carbonyl oxygen of the 2-phenylacetic acid. d. protonation of the hydroxyl group of the 2-phenylac..
How much heat is produced by the complete combustion of 253g of CH4? Ch4(g) +2 O2(g) ----> CO2(g) + 2H2O (g)
Use the half reaction method to balance the following equation in acidic solution. It is not necessary to include any phases of matter for any species. It is not necessary to include any phases of matter for any species.
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