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fomenos
3 years ago
10

Why do atoms receive a positive or negative charge when they give or take electrons? Include the nucleus in your

Chemistry
1 answer:
marysya [2.9K]3 years ago
4 0
Atoms receive a positive charge when they take electrons. Atoms give of negative electrons.
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The answer is 0.405 M/s

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- d[O2]/dt = 3/2 × 0.27

- d[O2]/dt = 0.405 mol L^(-1) s^(-1)

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3 years ago
Classify the following changes as physical or chemical changes. a. Water boils. b. Salt dissolves in water c. Milk turns sour d.
geniusboy [140]

Answer:

Water boils - physical change

Salt dissolves in water- chemical change

Milk turns sour- chemical change

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Explanation:

A chemical change refers to changes that are irreversible and the process involves the evolution of heat along with the formation of a new substance, examples include;Salt dissolves in water, Milk turns sour, metal rusts etc

The boiling of water is a physical change. The water can be cooled and the vapour condensed,hence, the boiling of water is a physical change.

Physical changes are easily reversible and no new substance is formed.

6 0
3 years ago
The reaction between sulfur dioxide and oxygen is reversible.
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Explanation:

the correct answer is

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