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For a reaction with a rate constant of 0.1 s^-1, what is the half-life for a fir
For a reaction with a rate constant of 0.1 s^-1, what is the half-life for a first-order reaction?
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Q1
For a reaction with a rate constant of 0.1 s^-1, what is the half-life for a first-order reaction?
0.693 s
6.93 s
10 s
0.1 s
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The half-life for a first-order reaction is given by t1/2 = 0.693/k. Thus, t1/2 = 0.693/0.1 = 6.93 s.
Questions & Step-by-step Solutions
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Q
Q: For a reaction with a rate constant of 0.1 s^-1, what is the half-life for a first-order reaction?
Solution:
The half-life for a first-order reaction is given by t1/2 = 0.693/k. Thus, t1/2 = 0.693/0.1 = 6.93 s.
Steps: 5
Show Steps
Step 1: Identify the formula for the half-life of a first-order reaction, which is t1/2 = 0.693/k.
Step 2: Note the given rate constant (k), which is 0.1 s^-1.
Step 3: Substitute the value of k into the formula: t1/2 = 0.693/0.1.
Step 4: Perform the division: 0.693 divided by 0.1 equals 6.93.
Step 5: Conclude that the half-life (t1/2) is 6.93 seconds.
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