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A rectangular block has dimensions 2.9 cm . 3.5 cm . 10.0 cm. The mass of the block is 615.0 g. What are the volume and density of the block?
The rate law of a given reaction is rate=k[reactant]^2, with k=2.64 x 10^-4 M-1min-1. If the initial concentration is 0.0250 M, what is the initial rate?
Because electron transport is coupled to ADP phosphorylation, it is theoretically possible to drive electrons backwards up the chain, against the potential gradient, at the expense of ATP.
Acetic acid(HC2H3O3) is an important ingredient of vinegar. A sample of 50.0mL of a commercial vinegar is titrated against a 1.00M NaOH solution. What is the concentration(inM) of acetic acid present in the vinegar
calculate the difference between the Gibbs free energy and Helmholtz free energy for this reaction at normal temperatures and pressures.
A large positive overall voltage from redox, metabolic step means: a. the process is very non-spontaneous b. change of G is large and positive
What is the chemical formula for the base iron(III) hydroxide. The formula for the oxalate ion is C2O4^2-
r2 deaker and c3 phosphate are titrating 100 ml of monoprotic acid (HAc) with a .5M NaOH solution. the equivalence point was reached after the addition of 15 ml. what is the concentration of the acid in molarity
Calculate the expected pH of 0.05 M HAc, 0.05 M Ac-, and 0.05 M HAc/0.05 M Ac- after the addition of 1 mL 1.0 M NaOH to each.
Define internal energy and enthalpy. What is the difference between the two? List the following gases in order of increasing root-mean-square speed, all at the same temperature: H2, He, O2, Ne
The lab was a "Two-Base Extraction" A mixture of benzoic acid, 2-naphthol, and naphthalene was extracted with sodium bicarbonate and followed by sodium hydroxide.
What is the magnitude of the electric field amplitude associated with the beam and the corresponding photon density per cm3?
Ben Franklin showed that 1.0 teaspoon of oil (5.0 cm3) can cover the surface of a still lake with area 0.50 acres
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