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timurjin [86]
4 years ago
14

What is the color of the sky? (Wrong answers only)

Chemistry
2 answers:
Maurinko [17]4 years ago
7 0

Answer:    Black

Explanation:

cool

Pavlova-9 [17]4 years ago
5 0

Answer:

Red

Explanation:

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Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer
rewona [7]
I think it would be the sun because it’s the one giving energy to most things, and if you haven’t answered it yet you can put the sun because it’s giving energy to the plans and the environment and it’s the the sun was the effect of the whole thing, sorry if I didn’t help
6 0
3 years ago
How often must opened containers of peroxide-formers be tested for peroxide formation?.
Iteru [2.4K]

Answer:

After every 6 months opened containers of peroxide formers will be tested.

Explanation:

Opened containers from which peroxide formation take place will be tested after every 6 months for safe storage. And for unopened container the test will be conducted for peroxide formation is after 12 months from manufacturing expiry date or from receiving date.

Learn more about per-oxide formation on:

brainly.com/question/28294719

#SPJ4

8 0
1 year ago
A prairie dog runs into its burrow as a coyote approaches.This behavior helps the prairie dog
Nookie1986 [14]
This behavior helps the prairie dog from being prey upon by coyote.
Prairie dogs live in burrow and they normally do not move much away from their burrows. When they sense danger they will dash quickly back into their burrows. This behavioral adaptation protect them from predators.
4 0
4 years ago
Which expression represents the concentration of OH– ions in solution? a. [OH–]  10–14 b. 10–14  [H3O+] c. 10–14  [H3O+] d. 1
7nadin3 [17]

Answer:

10^-14 / [H3O+]

Explanation:

Hydronium (H3O+) and hydroxide ions (OH-) are both present in pure water and in all aqueous solutions.

Their respective concentrations in water are 10^-7 M each and are inversely proportional to each other as given by the ion product of water, Kw.

Kw = [H3O+][OH−]

Where Kw = 1.0 * 10^-14,

[H3O+] = concentration of hydronium ions

[OH-] = concentration of hydroxide ions

Therefore, [OH-] = Kw / [H3O+]

[OH-] = 10^-14/[H3O+]

7 0
3 years ago
How does a molecular formula differ from a structural formula?
mr Goodwill [35]

Explanation:

Molecular formulas show correct and accurate number of each type of the atoms which are present in molecule.

On the other hand, structural formulas show arrangement of atoms and covalent bonds between them.

For example,

The molecular formula for carbon dioxide is CO_2

The structural formula is O = C = O

7 0
3 years ago
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