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snow_lady [41]
3 years ago
12

What is the molecular shape of hydrogen?

Chemistry
1 answer:
anzhelika [568]3 years ago
3 0
The eletron pairs repel each other in a tetrahedral shape.
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ENERGY CANNOT BE CREATED<br> TRUE<br> False<br> Other:
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Answer:

its false ...............

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A student pushes on a crate with a force of 100N directed to the right. What force does the crate exert on the student?
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The force on the student is equal to the force the student exerts, so 100N is your answer. 

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An ion is an atom that has has gained or lost:
Elena L [17]
Electrons, specifically valence electrons
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In dry climates, people often dig wells to find additional sources of water
vekshin1

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D i think, sorry if its wrong

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3 years ago
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3.8 liters of sulfur vapor, S8(g), at 921.4°C and 5.87 atm is burned in excess pure oxygen gas to give sulfur dioxide gas measur
lilavasa [31]

Answer:

116.5 g of SO₂ are formed

Explanation:

The reaction is:

S₈(g) +  8O₂(g)  → 8SO₂ (g)

Let's identify the moles of sulfur vapor, by the Ideal Gases Law

We convert the 921.4°C to Absolute T° → 921.4°C + 273 = 1194.4 K

5.87 atm . 3.8L = n . 0.082 L.atm/mol.K . 1194.4K

(5.87 atm . 3.8L) / (0.082 L.atm/mol.K . 1194.4K) = n → 0.228 moles of S₈

Ratio is 1:8, 1 mol of sulfur vapor can produce 8 moles of dioxide

Then, 0.228 moles of S₈ must produce (0.228 . 8) /1 =  1.82 moles

We convert the moles to g → 1.82 moles . 64.06 g /1mol = 116.5 g

3 0
3 years ago
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