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zysi [14]
3 years ago
14

A chemical change occurs when

Chemistry
1 answer:
Zolol [24]3 years ago
4 0

Answer:

C

Explanation:

salt deposits form from evaporated seawater.

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Suppose that X represents an arbitrary cation and that Y represents an anionic species. Using the charges indicated in the super
dmitriy555 [2]

Answer:

See explanation.

Explanation:

Hello!

In this case, when having the cationic and anionic species with the specified charges, in order to abide by the net charge rule, we need to exchange the charges in the form of subscripts and without the sign, just as shown below:X^{m+}Y^{n-}\rightarrow X_nY_m

Thus, for all the given combinations, we obtain:

- Y⁻

X^+Y^-\rightarrow XY\\\\X^{2+}Y^-\rightarrow XY_2\\\\X^{3+}Y^-\rightarrow XY_3

- Y²⁻

X^+Y^{2-}\rightarrow X_2Y\\\\X^{2+}Y^{2-}\rightarrow X_2Y_2\rightarrow XY\\\\X^{3+}Y^{2-}\rightarrow X_2Y_3

- Y³⁻

X^+Y^{3-}\rightarrow X_3Y\\\\X^{2+}Y^{3-}\rightarrow X_3Y_2 \\\\X^{3+}Y^{3-}\rightarrow X_3Y_3\rightarrow XY

Best regards!

8 0
2 years ago
The molecular mass of a substance refers to the:
ololo11 [35]

Answer:

A

Explanation:

it's the sum of the masses of all the atoms in the molecule

please like and Mark as brainliest

3 0
3 years ago
Which of these can be described as a system of stars, gases, dust, and other matter that orbits a common center of gravity?
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It’s c galaxy ((: so yeah
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Describe how the act of sweating leads to thirst
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Sweating is your body releasing water to cool it’s self down. When doing an activity the water in ur body warms up. And is then released to stop from overheating
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3 years ago
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How is covalent bonding typically explained?
Bad White [126]

Answer: Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell.

Explanation: I hope that helped and Happy friday.

7 0
2 years ago
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