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aliina [53]
3 years ago
8

Compare the density of gases in the thermosphere to the density at sea level.

Chemistry
1 answer:
Anestetic [448]3 years ago
8 0

Answer:

The atmosphere is 10 million times

Explanation:

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To what volume should you dilute 55 mL of 12 M stock HNO3 solution to obtain a 0.145 HNO3 solution?
velikii [3]

Answer:

4552 mL

Explanation:

From the question given above, the following data were obtained:

Volume of stock solution (V₁) = 55 mL

Molarity of stock solution (M₁) = 12 M

Molarity of diluted solution (M₂) = 0.145 M

Volume of diluted solution (V₂) =?

The volume of the diluted solution can be obtained by using the dilution formula as illustrated below:

M₁V₁ = M₂V₂

12 × 55 = 0.145 × V₂

660 = 0.145 × V₂

Divide both side by 0.145

V₂ = 660 / 0.145

V₂ ≈ 4552 mL

Thus, the volume of the diluted solution is 4552 mL

7 0
3 years ago
A chemical reaction occurs when one or more change into one or more new substances called
attashe74 [19]
Changes into new substances called product.
6 0
3 years ago
What is the formula for copper(1) chlorate?​
raketka [301]

Answer:

CICUO3

Explanation:

copper 1 chlorate is made up of copper ion and a polyatomic ion of chlorine and oxygen

8 0
3 years ago
A Lewis acid is a substance that can
katrin2010 [14]
Accept a pair of nonbonding electrons,a Lewis acid is an electron-pair acceptor. A Lewis<span> base is any </span>substance, such as the OH-<span> ion, that </span>can<span> donate a pair of nonbonding electrons. </span>A Lewis<span> base is therefore an electron-pair donor.</span>
6 0
3 years ago
Explain why the process of dissolution can be exothermic or endothermic (heat of solution) with different solutes
RUDIKE [14]

Answer:

The process of dissolving is exothermic when more energy is released when water molecules “bond” to the solute than is used to pull the solute apart. Because more energy is released than is used, the molecules of the solution move faster, making the temperature increase.

Project the image Endothermic Dissolving.

The process of dissolving is endothermic when less energy is released when water molecules “bond” to the solute than is used to pull the solute apart. Because less energy is released than is used, the molecules of the solution move more slowly, making the temperature decrease.

4 0
3 years ago
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