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Identify the set of stoichiometric coefficients that balance the reaction equation for the combustion of octane. C8H18+O2--->CO2+H2Oa. 2, 25,16,18b. 1,17,8,9c. 1,25,8,9d. 2,34,16,18e. none of the above coefficients balance the reaction equation
Solution A contains 29.541 millimoles of 0.09847 M of acetic acid (HOAc) and 34.51 millimoles of 1.0 M of sodium acetate (NaOAc). Solution B is made by 10 mL of Solution A + 90 mL of boiled water.
How many milliliters of 0.0759 M NaOH are required to titrate 25.0 mL of 0.0896 M HBr to the equivalence point?
The molar absorptivity for the complex formed between bismuth (III) and thiourea is 9.32 x 103 L mol-1 cm-1 at 470 nm. Calculate the range pf permissible concentrations for this complex if the percent transmittance is to be greater than 15.0 % and..
if the cell had an excess of NADHPH but needed to make ribose-5-phosphate, which glycolytic(s) would be used? a. glucose-6-phosphate and fructose-6-phosphate
if molarity of a 2000ml solution is 4.0M NaCl, how many moles of NaCl are dissolved in that solution.
Compute pH of a solution containing .030 moles of TRIS and .020 moles of the salt TRISHCl in a total volume of 1.50L
Calculate the solubility product (Ksp) for silver bromide if the concentration of the silver ion is 0.770 M and of the bromide ion is 0.770 M.
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 x 10^3. , 2 NO(g)-> N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2?
A constant pressure calorimeter having a heat capacity of 74.2 kJ/K is used to measure the energy released from burning a compound in excess oxygen to form CO2(g) and H2O(l).
strip of magnesium reacts in 3.0 mL of 5.0 M HCl over a given period of time. Evaluate the mol mg/mol HCl ratio for the reaction.
magnesium sulphate MgSO4 has an observed osmotic pressure =7.6 atm at the temperature of twenty five degree celsius. Determine the observed van't Hoff factor?
the acidity of substituted benzenes and why it is so. Examples of molecules are p-nitrotoluene compared to m-nitrotoluene.
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