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2 years ago

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What is the type of bond holding hydrogen and oxygen atoms together in a single h2o molecule? What is the type of bond holding h

ydrogen and oxygen atoms together in a single h2o molecule? Ionic bond covalent bond hydrogen bond?

1 answer:

LekaFEV [45]2 years ago

7 0

It is a hydrogen bond

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Tap water used for drinking is considered in the DIL calculations; true

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Helium gas diffuses 4 times as fast as an unknown gas. What is relative molecular mass of the gas

Inessa05 [86]

The relative molecular mass of the gas : 64 g/mol

<h3>Further explanation</h3>

Given

Helium rate = 4x an unknown gas

Required

The relative molecular mass of the gas

Solution

Graham's Law

$\tt \dfrac{r_1}{r_2}=\sqrt{\dfrac{M_2}{M_1} }$

r₁=4 x r₂

r₁ = Helium rate

r₂ = unknown gas rate

M₁= relative molecular mass of Helium = 4 g/mol

M₂ = relative molecular mass of the gas

Input the value :

$\tt \dfrac{4r_2}{r_2}=\sqrt{\dfrac{M_2}{4} }\\\\16=\dfrac{M_2}{4}\\\\M_2=64~g/mol$

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Help out please?????

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Answer:

A non- metal

Explanation:

Hope u got ur answer

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