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Paraphin [41]
3 years ago
11

What is four thing the atmosphere does for us

Chemistry
2 answers:
pogonyaev3 years ago
5 0
Proveds us air to breath and keeps the hot air out sory but only got 2
artcher [175]3 years ago
4 0
Keeps in heat, protects us from radiation, provides oxygen, and protects us from objects coming towards the earth.
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If the mass of the products of a chemical reaction was 100 g, what was
Rzqust [24]
If the mass of all of the products in a chemical reaction is equal to 100g then the mass of the reactants in that same reaction had to have had a mass of 100g this is due to the law of conservation of matter stating matter cannot be created or destroyed in a chemical reaction.
4 0
3 years ago
A compound has an empirical formula of AB and a molar mass of 90 g/mol. What is its
Lelu [443]

Answer:

A3B3

Explanation:

Molecular formula = n x empirical formula

(AB) n = 90

MM of AB = 30 g/mol

30n = 90

Divide both side by the coefficient n i.e 30

n = 90/30 = 3

Molecular formula = n x empirical formula

Molecular formula = n x (AB)

Molecular formula = 3(AB) = A3B3

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3 years ago
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Answer:

Properties describe physical matter.

Explanation:

6 0
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The molecular formula of benzene is C6H6. what is the empirical formula of benzene?
Grace [21]
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6 0
3 years ago
Can somebody help me with these 2 things. I honestly just need the acids and bases for both
pochemuha

Answer:

The Bronsted-Lowery acid is H2O

The Bronsted-Lowery base is CO3

The conjugate acid is HCO3

The conjugate base is OH

Explanation:

Molocules that lose a hydrogen in a reaction act as an acid, and those that recieve one act as a base.

8 0
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