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The first order decomposition of N2O5 at 328 K has a rate constant of 1.70 × 1083 s81. If the initial concentration of N2O5 is 2.88 M, what is the concentration of N2O5 after 12.5 minutes?
A) 0.124 M
B) 0.805 M
C) 2.82 M
D) 0.355 M
E) 0.174 M
classify each solute represented in the following equations as a strong, weak, or nonelectrolyte: a)CH3-OH(l) H2O> CH3-OH(aq). b)MgCl2(s) H2O> Mg2+(aq) + 2Cl-(aq). c) HClO(aq) H+(aq) + ClO-(aq)
an electric power station annually burns 3.3 107 kg of coal containing 1.4 percent sulfur by mass. calculate the volume
the volume of a sample of oxygen gas collected over water is 258 mL at 27 degrees C and 620.0 torr. Calculate the volume in milliliters of dry oxygen gas at STP. (the vapor pressure of water at 27 degrees C is 26.7 torr.)
Consider n moles of ideal gas kept in a heat isolated cylinder (all processes are adiabatic) with a piston at extrnal pressure P(i), and at the temperature T(i). the extrnal pressure is suddenly changed to P=2P(i), and we wait for the system to eq..
which of the following substances will be soluble in the non-polar solvent carbon tetrachloride ccl4? select all that
Draw the structure of the peptide WRCFQ. Show the ionization state that would be the major form at pH 7. (Note: this question addresses your knowledge of the one or three letter codes for amino acids,
Treatment of X with Ag(NH3)2 (silver diamine complex), yields a solid Z. When X is treated with H2O/H2SO4, an optically active product W, C7H14O, is formed. Draw the structures of X, Y, Z, and W.
The equilibrium constant Kc for the decomposition of phosgene, COCl2, is 4.63 x 10^-3 at 527 deg. C
From the Mn concentrations (3.56ppm and 3.71ppm) and uncertainty
What is the general relationship for the number of radial nodes in terms of n and l
The formula of carbon tetrachloride is CCl4. this means that 1 mole of C combines with 4 moles of Cl to form this compound. How many moles of Cl would be needed to react with 2 moles of C
One enzyme under study in a is peptidylglycine alpha-amidating monooxygenase (PAM). The molecular weight of monomeric PAM is 75,000 g/mol and the enzyme contains 2 copper atoms/enzyme molecule.
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