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Musya8 [376]
3 years ago
11

Which statement about the binding of enzymes and substrates is correct? - Substrate molecules fit into the active site of an enz

yme like a key fits into a lock. - Substrate molecules bind to the active site of the enzyme only by weak bonds, such as hydrogen bonds or hydrophobic attraction. - When substrate molecules bind to the active site of the enzyme, the enzyme undergoes a slight change in shape.
Chemistry
1 answer:
Elodia [21]3 years ago
8 0

Answer:

D

Explanation:

When substrate molecules bind to the active site of the enzyme, the enzyme undergoes a slight change in shape.

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What is the chemical formula for 8.6 mol of sulfur and 3.42 mol of phosphorus
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The chemical formula for the compound containing 8.6 mol of sulfur and 3.42 mol of phosphorus is P₂S₅

<h3>How do I determine the formula of the compound?</h3>

From the question given above, the following data were obatined:

  • Sulphur (S) = 8.6 moles
  • Phosphorus (P) = 3.42 mole
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The chemical formula of the compound can be obtained as follow:

Divide by their molar mass

S = 8.6 / 32 = 0.26875

P = 3.42 / 31 = 0.11032

Divide by the smallest

S = 0.26875 / 0.11032 = 2.44

P = 0.11032 / 0.11032 = 1

Multiply by 2 to express in whole number

S = 2.44 × 2 = 5

P = 1 × 2 = 2

Thus, the chemical formula is P₂S₅

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Explanation:

An ionic equation will be the one in which all the participating species will be present as ions.

The given reaction will be as follows.

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Balancing this equation by multiplying CrBr_{3} by 2 and K_{2}CO_{3} by 3 on reactant side. Whereas multiply KBr by 6 on product side.

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Hence, the net ionic equation will be as follows.

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As both K^{+} and Br^{-} are spectator ions. Hence, the net ionic equation will be as follows.

     2Cr^{3+}(aq) + 3CO^{2-}_{3}(aq) \rightarrow Cr_{2}(CO_{3})_{3}(s)  

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