A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL of 1.0 M hydrochloric acid. The resulting solution is pH:

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#Question id: 24079

#Section 5: Bioprocess Engineering and Process Biotechnology

A scientist conducts an experiment to determine the rate of NO formation in the reaction:

N2(g) + O2(g) → 2NO(g)

If the initial concentration of N2 was 0.500 M and the concentration of N2 was 0.450 M after 0.100 s, what is the rate of NO formation?

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#Question id: 24080

#Section 5: Bioprocess Engineering and Process Biotechnology

HI dissociates to form I2 and H2:

2HI(g) →H2(g) + I2(g)

If the concentration of HI changes at a rate of –0.45 M/s, what is the rate of appearance of I2(g)?

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#Question id: 24081

#Section 5: Bioprocess Engineering and Process Biotechnology

For the reaction 2A + B + 2C → D + 2E, the rate law is:  rate =k[A]²[B]¹[C]¹ Which of the following statements is false:

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#Question id: 24082

#Section 5: Bioprocess Engineering and Process Biotechnology

For the rate law Rate = k[A]^1/2[B], the partial order with respect to A is __________, the partial order with respect to B is __________, and the total order is __________.

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#Question id: 24083

#Section 5: Bioprocess Engineering and Process Biotechnology

The first-order reaction A → B, has k = 8.00 s^–1. If [A]0 = 0.500 M, how long will it take [A] = 0.200 M?

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#Question id: 24084

#Section 5: Bioprocess Engineering and Process Biotechnology

The first-order reaction A → B, has k = 5.67 s^–1. If [A]₀ = 0.500 M, how long will it take [A] = 0.124 M?