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SashulF [63]
2 years ago
11

Thực hiện chuỗi phản ứng sau: CaCO, CaO CaSO, SO₂ → K₂50₂

Chemistry
1 answer:
lesantik [10]2 years ago
4 0

Answer:

nnhnhgnklhnhmkghklmfmg

Explanation:

cvgngh kcvl vl gkh kn hg

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How does soil structure affect the characteristics of soil? a. It determines the acidity of soil. b. It determines the available
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Answer:

B

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Soil structure affects water and air movement in a soil, nutrient availability for plants, root growth, and microorganism activity. ... This allows for greater air and water movement and better root growth.

4 0
3 years ago
How many grams of Fe2+ are there in 0.003109 moles of Fe2+?
Sergio [31]

Answer: 0.174 g

Explanation:

First of all understand that charge on an atom like here 2+ will not vary molar mass. because ions are formed by loss or gain of electrons and electrons do not contribute to the mass of an atom or ion. so losing or gaining electron doesnt create any difference.

molar mass of Fe, i.e. mass of 1 mole of Fe is 56 g. So, mass of 1 mole of Fe2+ will also be 56 g.

given is 0.003109 moles of Fe2+,

Use maths,

1 mole of Fe2+ weighs 56 g

So, 0.003109 moles will weigh = (56 g / 1 mol ) x 0.003109 = 0.174 g.

7 0
3 years ago
How many electrons do nonmetals atoms tend to gain when forming ions
amm1812
Since nonmetals have five, six, or seven electrons in their valence shells, it takes less energy to gain the necessary electrons, and therefore form anions.
4 0
3 years ago
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Explanation:

Hope this helps! If it did, please mark it as brainliest! It would help a lot! Thanks! :D

7 0
3 years ago
Consider the nuclear equation below.
Dovator [93]

Answer:

its NOT C

Explanation:

8 0
3 years ago
Read 2 more answers
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