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3 years ago

Heat energy is transferred by conduction whenever molecules_____

Chemistry

2 answers:

Inessa [10]3 years ago

8 0

the answer is C or COLLIDE

Y_Kistochka [10]3 years ago

3 0

Nope c is da answer ok???

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Hi,
The purpose of the burning splint is to provide activation energy.

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3 years ago

Which of the following is the ground state of an atom? Which is its excited state? Which is an impossible electron configuration

Rus_ich [418]

For this specific problem, these would be the answer to the following choices:

a. excited

b. ground

c. impossible

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3 years ago

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Paul [167]

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The answer is : A

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2 years ago

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How many milliliters of ammonium sulfate solution having a concentration of 0.218 M are needed to react completely with 62.6 ml

BartSMP [9]

Answer:

330 mL of (NH₄)₂SO₄ are needed

Explanation:

First of all, we determine the reaction:

(NH₄)₂SO₄ + 2NaOH → 2NH₃ + 2H₂O + Na₂SO₄

We determine the moles of base:

(First, we convert the volume from mL to L) → 62.6 mL . 1L/1000 mL = 0.0626L

Molarity . volume (L) = 2.31 mol/L . 0.0626 L = 0.144 moles

Ratio is 2:1. Therefore we make a rule of three:

2 moles of hydroxide react with 1 mol of sulfate

Then, 0.144 moles of NaOH must react with (0.144 .1) /2 = 0.072 moles

If we want to determine the volume → Moles / Molarity

0.072 mol / 0.218 mol/L = 0.330 L

We convert from L to mL → 0.330L . 1000 mL/1L = 330 mL

6 0

3 years ago

Why does the melting of the polar ice caps facilitate the absorption of CO2 by ocean waters?

Korvikt [17]

hi brainly user! ૮₍ ˃ ⤙ ˂ ₎ა

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Answer:

The melting of the caps increases the concentration of CO2 in the water, making its absorption faster.

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Explanation:

<h2><u>CO2 absorption</u><u> </u></h2>

The polar caps of our planet have in their composition several elements, among them the CO2 that is absorbed by the atmosphere. Cold waters, which are present in the Arctic, have an easier time absorbing CO2 compared to other waters.

When glaciers melt, the CO2 that is present in the mixture is dissolved in the ocean, increasing its concentration. The cold waters that came from the ice caps increase the absorption of CO2.

Learn more about natural methods remove CO2 from the atmosphere in:

brainly.com/question/14323197

#SPJ2

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1 year ago