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notsponge [240]
3 years ago
11

Which of Dalton's postulates is/are incorrect?

Chemistry
1 answer:
user100 [1]3 years ago
4 0

Answer:

Atoms can be neither created nor destroyed in chemical reactions.

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Given the reaction at equilibrium n2(g) + 3h2(g) ↔ 2nh3(g) increasing the concentration of N2(g) will increase the forward react
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Answer: For the given reaction an increase in the forward reaction rate due to increase in the number of effective collisions.

Explanation:

According to the rate law, rate of a reaction depends on the concentration of its reactants. So, more is the number of reactants then more will be the number of collisions taking place.

As a result, more will be the amount of product formed. For example, in the reaction N_{2}(g) 3H_{2}(g) \rightleftharpoons 2NH_{3}(g) an increase in N_{2}(g) means an increase in the number of reactants.

Hence, more is the number of collisions taking place leading to more amount of formation of products.

Thus, we can conclude that for the given reaction an increase in the forward reaction rate due to increase in the number of effective collisions.

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If an electron is released during radioactive decay which type of Decay has taken place
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Answer: B

Explanation:

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An object's velocity can be described by its acceleration and direction.<br><br> True<br> False
coldgirl [10]

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False

Explanation:

An object's velocity can be described by it's direction. Because velocity is a vector. Besides velocity and acceleration are different units they can't be described by each other.

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Which of the following correctly explains the role of enzymes in biochemical reactions? A) Enzymes provide energy in the form of
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The correct description of the role that enzymes play in biochemical reactions would be B. Enzymes bond with one or more reactants and lower the activation energy needed for the reaction.
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4 years ago
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