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1) Presume a reaction occurs in which 38mL of O2 (g) is created in a vessel at a temperature of 28C as well as pressure of 740 mm Hg. Explain how many moles of O2 were created?
2) A reaction has a rate law of rate = k[A]^2[B].
a) Explain what the overall order of the reaction is
b) If [A] is doubled what precisely will happen to the rate (assume [B] remains the same)?
c) If [B] is tripled what precisely will happen to the rate (assume [A] remains the same)?
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. The Ka for the conjugate weak acid of CH3CHOO- is 1.8 x 10^-5. Calculate the pH for this solution at equilibrium.
determine the solubility of iron in mgl as fe in a solution in equilibrium with feoh3 s ironiii hydroxide 10-2m total
Explain why if benzoic acid were substituted for 2-methoxyphenylacetic acid in this experiment the enantiomeric ratio of the yeast reduction product could not be determined by 1 H NMR.
tartaric acid is a substance that is often present in wines and preticipates from soultion as the wine ages. the
A solution gave a precipitate when ammonium oxalate was added but gave no precipitate when ammonium sulfate was added. For each Magnesium group ion(Barium, Magnesium, Strontium, and Calcium) tell whether the ion
if the freezing point of a 0.106m CH3COOH solution is -0.323 degrees celcius, what is the percent of acid that has undergone ionization?
Bond Energies, Using the bond energies below, determine the value and sign of delta H for the
Nitrous oxide is a significant greenhouse gas. The global sink N2O is 12.6 T g N yr-1. The mixing ratio is 559.5 micrograms/m3 as well as the lifetime of N2O is about 128 years. Use an average surface pressure of 986 hPa to compute mass of atmosph..
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
The atomic mass of element X is 33.42 amu. A 21.83-g sample of X combines with 80.32 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
The Coal is fed with 200% excess water ( excess is calculated with respect to CO formation) 100% of coal is consumed. the selectivity to CO (with respect to CO2) is 1:1 the functional conversion of the CO is 50% what is the final gas composition? ..
A volume of 40.0 of a 0.220 solution is titrated with 0.600 . Calculate the volume of required to reach the equivalence point.
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