The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420 kJ. And at 37°C, the rate constant is 4.90 × 10–4 min–1. What is the half-life of the uncoiling at 37°C (normal body temperature)? ___________ min b The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420 kJ. And at 37°C, the rate constant is 4.90 × 10–4 min–1. What is the half-life of the uncoiling if the organism has a temperature of 39°C (102°F). _________ min
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The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420 kJ. And at 37°C, the rate constant is 4.90 × 10–4 min–1. What is the half-life of the uncoiling at 37°C (normal body temperature)? ___________ min |
| b |
The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420 kJ. And at 37°C, the rate constant is 4.90 × 10–4 min–1. What is the half-life of the uncoiling if the organism has a temperature of 39°C (102°F). _________ min |
| c |
The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420 kJ. And at 37°C, the rate constant is 4.90 × 10-4 min-1. At 39°C, the rate constant is 0.00139 min-1. By what factor does the rate of uncoiling increase (per °C) over this temperature interval? _________ times/°C rise |
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