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What element within the reactants is oxidized in the following equation, and what element is reduced? I2 + 2 Br - ? 2 I- + Br2
Gas chromatography. Answer the following questions about retention times of the following compounds. Given naphthalene (boiling point = 218 degrees C), phenol (boiling point =181.7 degrees
dimethylpropyl p-toluenesulfonate is dissolved in acetic acid (75C), solvolysis yields five different products. Suggest reasonable structure
calulate the molarity of acetic acid in a venegar sample knowing that 5.00mL of vinegar requires 43.50mL of 0.105 M NaOH to reach the phenolphthalein endpoint in a titration
Decribe the preparation of the 100mL of a 50 mM acetate buffer at pH 5.5 beginning iwth sodium acetate and 1M acetic acid
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
They provide an alternative path for protons to re-enter the mitochondrial matrix, so ATP synthesis decreases. Electron flow and proton pumping are not inhibited.
An unknown metal hypochlorite salt, M(ClO)2, is subjected to analysis by iodometric titration: the salt is dissolved in dilute sulfuric acid, treated with excess aqueous KI, and then titrated with Na2S2O2 in the same manner as in your experiment
Consider the following reaction: A(g)= B(g)+C(g) Find the equilibrium concentrations of A, B, and C for each of the following different values of Kc. Assume that the initial concentration of A in each case is 1.0 M
Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
calculate the number of moles of AgCrO4(Ksp=9.0x10^12) that will dissolve in 1.00L of 0.010 M K2CrO4 solution. what will be the ion concentrations at equilibrium?
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
Explain the valences for each, showing what may happen to the electronic structure in each case
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