8. The percent by mass of nitrogen is 46.7% for a species containing only nitrogen and oxygen. Which of the following could be this species? a) the nitrate ion b) nitrogen dioxide c) nitrogen monoxide d) dinitrogen oxide e) None of the above are 46 7% nitrogen by mass

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8. The percent by mass of nitrogen is 46.7% for a species containing only nitrogen and
oxygen. Which of the following could be this species?
a) the nitrate ion
b) nitrogen dioxide
c) nitrogen monoxide
d) dinitrogen oxide
e) None of the above are 46.7% nitrogen by mass.
Transcribed Image Text:8. The percent by mass of nitrogen is 46.7% for a species containing only nitrogen and oxygen. Which of the following could be this species? a) the nitrate ion b) nitrogen dioxide c) nitrogen monoxide d) dinitrogen oxide e) None of the above are 46.7% nitrogen by mass.
This problem is only appropriate if you have taken calculus.
For a zero-order reaction described by the chemical equation
a A products
the rate expression is
dA
adt
where A is the reactant concentration, a is the coefficient of the reactant in the balanced chemical equation, and k is the
rate constant.
Ao =
= k
Derive the integrated rate expression for a zero-order reaction. Express your answer as an algebraic formula in terms of the
variables A, a, k, and t.
A plot of
versus t would be linear for a zero-order reaction.
Transcribed Image Text:This problem is only appropriate if you have taken calculus. For a zero-order reaction described by the chemical equation a A products the rate expression is dA adt where A is the reactant concentration, a is the coefficient of the reactant in the balanced chemical equation, and k is the rate constant. Ao = = k Derive the integrated rate expression for a zero-order reaction. Express your answer as an algebraic formula in terms of the variables A, a, k, and t. A plot of versus t would be linear for a zero-order reaction.
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