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Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and reverse reactions are equal. As a reaction proceeds forward toward equilibrium the forward rate constant drops. At equilibrium the forward rate equals zero. As a reaction proceeds forward toward equilibrium the product concentrations rise. At equilibrium the speed of a reaction equals its rate constant. At equilibrium the rate constants of forward and reverse reactions are equal.
State what substances (if compounds, give their formulas) exist in each region. Label each substance in each region as solid, liquid, or gas.
the rate constant for a reaction is 7.7 x 10^-3 s^-1 at 25 C, and the activation energy is 33.6 kj/mol. what is k at 75C
The reaction is allowed to reach equilibrium. At equilibrium the number of moles of B is 18.32. Calculate the equilibrium constant for the reaction A (g) + 2B (g) reacting with 3 C(g)
When 0.60 grams of a molecular covalent compound is dissolved in 10 grams of water, the freezing point of the soludion is -1.86 C. Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.85..
Suppose a solution contains aqueous Hg2(NO3)2 . Write complete ionic equation to show the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate. Express your answer as a chemical equation. Ident..
Enzymatic oxidation of naphthalene by bacteria proceeds of intermediate cis-diol. which prochiral face of naphthalene is hydroxylated in this process?
Combustion analysis of toluene, a common organic solvent, gives 4.12mg of {\rm{CO}}_2 and 0.959mg of {\rm{H}}_2 {\rm{O}}. If the compound contains only carbon and hydrogen, what is its empirical formula
What is the empirical formula of a compound which contains only colbalt and oxygen. if an 8.29 grams sample of the compound contains
If the initial concentration of the reactant in a first order reaction is .5 mols/L and the half life is 500 seconds, calculate the concentration of the reactant 1200 seconds after initiation of the reaction?
One synthetic preparation of aniline involves reducing nitro benzene with iron and HCL, and then steam distilling the resultant aniline at 99 degrees Celsius. How much aniline codistills with each gram of water during the steam distillation.
Proteins can be unfolded, or denatured, by agents that alter the balance of weak noncovalent forces that maintain the native conformation. How would the following agents cause a protein to denature
Describe the various strategies for the excretion of nitrogenous wastes employed in higher animals (chordates), both human and non-human
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