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25.0-mL aliquot of 0.120 M HNO3 (a strong acid) is titrated with 0.0500 M NaOH. Calculate the pH after the addition of: (a) 0.00 mL, (b) 15.0 mL, (c) 30.0 mL, (d) 45.0 mL, (e) 60.0 mL, (f) 75.0 mL.
What would happen if the kinetic energy of the reactants were not enough to provide the needed activation energy
For the gas phase decomposition of t-butyl alcohol, (CH3)3COH (CH3)2C=CH2 + H2O the rate constant at 811 K is 1.05E-3 /s and the rate constant at 846 K is 5.64E-3 /s. The activation energy for the gas phase decomposition of t-butyl alcohol is
What would be the predicted effect on glutamine synthesis if a mutation is glutamine synthetase increases the Km to the micromolar range for the regulatory protein Pa but has no effect on the Km
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
which of the following alcohols undergoes dehydration at the fastest rate on being heated with sulfuric acid? a) 1-Butanol b)2-Methyl-1-butanol c)2-Methyl-2-butanol d)3-Methyl-1-butanol e)3-Methyl-2-butanol
label the layers after an extraction. Describe a fast method for determining which layer is your organic phase.
Predict the freezing point of a solution prepared by dissolving 8.9 g MgCl2 in 98 g H2O. Kf for water is 1.86 °C m-1. A) 3.5 °C B) -3.5 °C C) 5.3 °C D) -5.3 °C E) -0.51 °C
Based on your knowledge of Le Chatelier's principle, explain what would happen to a saturated solution of borax at equilibrium
You are given an impure solid that contains 70% of the desired product. After extracting 15g of the material, you recover 6g of the pure compound. What is the percent recovery
A solution containing 27.05 mg of an unknown protein per 22.0 mL solution was found to have an osmotic pressure of 3.10 torr at 12 C. What is the molar mass of the protein
At equilibrium, the pressures of NH3 and HCl are both equal to 0.00552 atm, and the mass of NH4Cl (s) is 35.4 g. Calculate the equilibrium pressure of NH3 after 11.3 g of NH4Cl (s) is added to the container?
Gas A has a density of 0.20 g L, and gas B has a density of 0.80gL, both at the same specific temperature and prassure. Which gas diffuse faster
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