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3 years ago

What is a substance that decreases the rate of a chemical reaction called?

Chemistry

2 answers:

trasher [3.6K]3 years ago

4 0

Answer: B. Inhibitor

Explanation:

The answer is inhibitor because a catalyst does the opposite and products/reactants are part of the chemical reaction.

hichkok12 [17]3 years ago

4 0

Answer:Inhibitor

Explanation:

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3 years ago

How do cells use lipids and carbohydrates?

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Answer:

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Explanation:

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3 years ago

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But in your own words

8_murik_8 [283]

Answer:

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3 years ago

In a closed system containing three different gases as shown, X2 + Y2 = 2XY

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3 years ago

William measures a test tube and finds that the mass of the test tube is 5g. He places the lone reactant in the test tube and fi

iogann1982 [59]

86 percent is the percent yield for this experiment if he expected to produce 5g of product.

Explanation:

Given that:

mass of test tube = 5 grams

mass of test tube + reactant is 12.5 grams

mass of reactant = ( mass of test tube + reactant ) - (mass of test tube)

mass of reactant = 12.5 -5

= 7.5 grams

when 7.5 grams of reactant is heated mass of test tube was found to be 9.3 grams.

so mass of product formed = 9.3 - 5

= 4. 3 grams of product is formed (actual yield)

However, he expected the product to be 5 grams (theoretical yield)

Percent yield = $\frac{actual yield}{theoretical yield}$ x 100

putting the values in the formula:

percent yield = $\frac{4.3}{5}$ x 100

= 86 %

86 percent is the percent yield.

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3 years ago