anonymous
  • anonymous
Will fan and medal if you answer right The rate law for a hypothetical reaction is rate = k [A]2. When the concentration is 0.10 moles/liter, the rate is 2.7 × 10-5 M*s-1. What is the value of k? 2.7 × 10-3 2.7 × 10-3 M-1s-1 7.2 × 105 M-1s-1 2.7 × 10-4 M-1s-1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Vocaloid
  • Vocaloid
plug in 2.7 * 10^-5 for rate, and 0.1 for A, then solve for k
anonymous
  • anonymous
I got 2.7 8 10^-6
anonymous
  • anonymous
Which is not even in the answer choice

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More answers

Vocaloid
  • Vocaloid
check your math again...
Vocaloid
  • Vocaloid
(2.7*10^-5)/(0.1^2) = ?
anonymous
  • anonymous
No Clue. I'm NOT this advanced in math yet
anonymous
  • anonymous
oki let me try
anonymous
  • anonymous
i got .0027, idk anymore
Vocaloid
  • Vocaloid
right, 0.0027, now convert to scientific notation
anonymous
  • anonymous
how do you convert to scientific notation on calculator
Vocaloid
  • Vocaloid
uh, I'm not sure you can do that on a calculator 0.0027 = 2.7 * 10 ^ x find x
anonymous
  • anonymous
10^-4
anonymous
  • anonymous
?
Vocaloid
  • Vocaloid
not quite, try again... how many places do you have to move the decimal point to get from 0.0027 to 2.7?
anonymous
  • anonymous
3
Vocaloid
  • Vocaloid
right! so, 0.0027 = 2.7 * 10^(-3) now, the units of k are M-1s-1 so our answer becomes 2.7 * 10^(-3) M-1s-1
anonymous
  • anonymous
Thank you

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