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Dmitrij [34]
3 years ago
13

What is the definition of a catalyst?

Chemistry
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer:

I think the best answer is (5) because catalyst are known to speed up a reaction without being changed

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How many molecules are in
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Answer:

3.6 × 10²⁴ molecules

Explanation:

Step 1: Given data

Moles of methane (n): 6.0 moles

Step 2: Calculate the number of molecules of methane in 6.0 moles of methane

In order to convert moles to molecules, we need a conversion factor. In this case, we will use Avogadro's number: there are 6.02 × 10²³ molecules of methane in 1 mole of molecules of methane.

6.0 mol × 6.02 × 10²³ molecules/1 mol = 3.6 × 10²⁴ molecules

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