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Alex Ar [27]
3 years ago
7

Anyone know what the answer is?

Chemistry
2 answers:
musickatia [10]3 years ago
8 0
I say the second one
erastova [34]3 years ago
3 0
The answer is b im pretty sure
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Calculate the number of molecules in 7 moles of oxygen
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Answer:

4.21

Explanation:

use Avogadro's number

6.023 x 10^23

multiply this by 7 because you want to find 7 moles :

6.023 x 10^23 x 7 = 4.21

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Solution A is 0.44 M and reacts with 0.11 M of solution B. Assume that the value of x is 0, the value of y is 1, and r is 1.07 ×
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Answer:

K, the rate constant = 9.73 × 10^(-1)/s

Explanation:

r = K × [A]^x × [B]^y

r = Rate = 1.07 × 10^(-1)/s

K = Rate constant

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y = Order of reaction with respect to B = 1

Solving, we get

r/([A]^x × [B]^y) = K

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