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Stells [14]
3 years ago
10

Chemistry

Chemistry
1 answer:
sasho [114]3 years ago
5 0

Answer:

A solid is a matter that has particles that are closely packed which as a result makes it vibrate but not flow.

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Convert 22.5 g S to moles of S.
Neporo4naja [7]
Grams of compound
moles——————————————-
Molar mass of compound

moles=22.5g S
-————
32.06 g/mol

moles=0.701
8 0
4 years ago
What is the empirical formula of a compound that contains only iron and oxygen and is 22.27% oxygen?
8090 [49]

Answer:

A) FeO

Explanation:

Options:

A) FeO

B) FeO2

C) Fe2O

D) Fe7O2

<u>The correct answer is A) FeO.</u>

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What is Peloponnese?
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Peloponnese: The mountainous southern peninsula of Greece, connected to central Greece by the Isthmus of Corinth. Greek name Pelopónnisos.

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4 years ago
When copper metal is heated to 1100 oC it melts. Is this a chemical or physical change? Explain your answer
Pani-rosa [81]

Answer:

it is a physical change

6 0
3 years ago
Read 2 more answers
2.<br> Why does<br> a chemical equation<br> need to<br> be balanced?
arlik [135]

<em>Answer:</em>

<em>Chemical equations must be balanced to satisfy the law of conservation of matter, that states that matter cannot be produced or destroyed in a closed system. The law of conservation of mass governs the balancing of a chemical equation.</em>

Explanation:

7 0
3 years ago
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