3 years ago

The continents are made up of mostly what type of rock

Chemistry

2 answers:

goblinko [34]3 years ago

4 0

The continents are made up of basalt

raketka [301]3 years ago

3 0

Granite and basalt is the answer
hope it helps

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Answer:

Positive; negative

Explanation:

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When electrons are gained, a negative ion is formed. A negative ion is called an anion.

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3 years ago

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3 years ago

What is the mass in grams of 2.50 mol of ammonia vapor, NH3?

Crank

Molar mass:-

$\\ \tt\longmapsto 14+3(1)=17g/mol$

Now

$\\ \tt\longmapsto Given\:mass=No\;of\:moles\times Molar\;mass$

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2 years ago

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3 years ago

A container is filled with oxygen gas, and the pressure of

Amanda [17]

Answer:

77,007 Pa

Explanation:

Hello!

In this case, since the equivalence statement for atmospheres and pascals is:

1 atm = 101,325 Pa

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$0.760atm*\frac{101,325Pa}{1atm}\\\\=77,007Pa$

Best regards!

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2 years ago