Give the characteristic of a first-order reaction having only one reactant. A) T

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Give the characteristic of a first-order reaction having only one reactant. A) The rate of the reaction is Proportional to the concentration of the reactant. B) The rate of the reaction is proportional to the square of the concentration of the reactant. C) The rate of the reaction is proportional to the squareroot of the concentration of the reactant. D) The rate of the reactant is proportional to the natural logarithm of the concentration of the reactant. E) The rate of the reaction is directly proportional to the concentration of the reactant. Calculate the number of moles of sulfuric acid that is contained in 0.250 mL of 0.500 M sulfuric acid solution. A) 0.600 moles B) 0.125 moles C) 8.00 moles D) 0.500 moles E) 2.00 moles Define A) the amount of a substance that will dissolve in a given amount of solute B) a solid that does not dissolve in a gas C) a liquid that does not dissolve in amount liquid D) the amount of a substances that will dissolve in a given amount of solvent. E) a solid mixed with another solid. Determine the partial pressure of oxygen necessary to from an sequences solution that is 4.7 times 10^-4 M O_2 at 25 degree C. They Henry's Law constant for oxygen in water at 25 degree C is 1.3 times 10^-3 M A)1.6 atm B) 0.36 atm C) 2.5 atm D) 0.60 atm E) 0.61 atm What is the overall order of the following reaction, given the rate law? NO(g) + O_3(g) - NO_2(g) + O_2(g) = k[NO][O_3] A) 1st order B) 2nd order C) 3rd order D) 1 1/2 order E) order Choose the solvent below that would show the greatest freezing point lowering when used to made a 0.20 m nonelectrolyte solution. A) carbon betrachloride, k_f = 29.9 degree C/m B) diethyl ether, K_f = 1.79 degree C/m C) chloroform, K_f = 4.70 degree C/m D) benzene, K_f = 5.12 degree C/m E) ethanol, K_f = 1.99 degree C/m A rate is equal to 0.0200 M/s. If [A] = 0.100 M and rate = k[A]^1, what is the new rate if the concentration of [A] is increased to 0.200 M? A) 0.0200 M/s B) 0.0400 M/s C) 0.0600 M/s D) 0.0800 M/s E) 0.100 M/s

Explanation / Answer

Ans 18 E the rate of reaction is directly proportional to the concentration of the reactant.

The first order reaction has the rate constant (k) unit as 1/s.

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