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stealth61 [152]
3 years ago
9

What might your life be like if Mr. Fleming didn't notice that the mold killed the bacteria?

Chemistry
2 answers:
Ad libitum [116K]3 years ago
8 0

Answer:

probably kinda weird

Explanation:

Phantasy [73]3 years ago
4 0

Answer:

Horriable

Explanation:

Bad because we all would've lived with some viruses

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A similarly of chemical and physical change and a difference plssss help me
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Explanation:

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3 years ago
Consider the following elementary steps that make up the mechanism of a certain reaction: 3A→B+C B+2D→C+F Part A What is the ove
saveliy_v [14]

Answer:

A.    3A + 2D → 2C + F

B.    B is an intermediate

C.   rate = k[A]³

 D.  rate = k`[D]²

Explanation:

Part A

The overall reaction is the sum of all the elementary steps:

       3A→B+C

+

       B+2D→C+F

<u>                                         </u>

         3A + 2D → 2C + F

Part B

A reaction intermediate is one that participates in the elementary steps, but it is not a product. Notice B is produced in the first step and consumed in the second, therefore it is an intermediate species.

Part C

The rate law is  the product of the reaction constant, k, times the concentration of the reactants raised to the power of their coefficients in the balanced reaction assuming that it is the slow step in the reaction mechanism.

rate = k[A]³

Part D

Again as in part C:

rate = k [D]²  ( B is not included since as we saw it is an intermediate )

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3 years ago
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