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andrew-mc [135]

2 years ago

15

Pinky put her wet clothes inside the room for drying. But her mom told her to put it under the sun. Give reason why her mom told

her to put it out in the sun instead of indoors.

1 answer:

bulgar [2K]2 years ago

5 0

so it doesn't get smaller

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The chemical reaction shown above takes place in a closed system. What is true about the system while the reaction occurs? A. Th

Ede4ka [16]

<u>Answer:</u> In a chemical reaction, the total mass of the particles in the system stays the same

<u>Explanation:</u>

Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side in a chemical reaction.

Every balanced chemical reaction follows law of conservation of mass.

<u>For Example:</u> Formation of water molecule

$2H_2+O_2\rightarrow 2H_2O$

Total mass on reactant side = $[2(2\times 1)+(2\times 16)]=36g/mol$

Total mass on product side = $[2((2\times 1)+16)]=36g/mol$

Hence, in a chemical reaction, the total mass of the particles in the system stays the same

5 0

3 years ago

Which of the following pairs of elements are most likely to form an ionic bond?

gregori [183]

Answer:

Ionic bonds ussally form with a metal, and a non metel elements, so the answer would most likley be B.

Explanation:

hope I could help

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3 years ago

Which atom has a configuration that ends in 5s 2?

Alla [95]

Answer: Zirconium [Kr]4d :)

Explanation:

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3 years ago

Which would be expected to have the higher boiling point, t-butyl alcohol (2-methyl-2-propanol) or n-butyl alcohol (1-butanol)?

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I would imagine that n-butanol would have the higher boiling point because it has less branching and therefore stronger intermolecular forces between molecules.

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3 years ago

A scientific law is ___.

Daniel [21]

Answer: a rule that describes a pattern in nature.

Explanation:

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2 years ago