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HACTEHA [7]
3 years ago
6

Question 7 (1 point) Classify as a compound or element? (NaCl Blank 1:

Chemistry
2 answers:
IgorLugansk [536]3 years ago
5 0

Answer:

That is a compound. If it was an element it would either just be Na or Cl.

Andru [333]3 years ago
5 0
The answer would either be NA or CI
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10 points. Please help.
ratelena [41]

Answer:

-191.7°C

Explanation:

P . V = n . R . T

That's the Ideal Gases Law. It can be useful to solve the question.

We replace data:

2.5 atm . 8 L = 3 mol . 0.082 L.atm/mol.K . T°

(2.5 atm . 8 L) / (3 mol . 0.082 L.atm/mol.K) = T°

T° = 81.3 K

We convert T° from K to C°

81.3K - 273 = -191.7°C

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3 years ago
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What are two different kinds of rock that are easily weathered by carbonic acid?
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3 years ago
A piece of lithium is placed on the surface of some water in a beaker. hydrogen is given off. Lithium hydroxide is formed. What
Gala2k [10]
<span>A piece of lithium is placed on the surface of some water in a beaker. Hydrogen is given off and Lithium hydroxide is formed. The word equation would be as follows:
</span>

lithium<span> + </span>water<span>→ </span>lithium hydroxide<span> + </span>hydrogen

Hope this answers the question. Have a nice day.
8 0
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What does RNA do?
MariettaO [177]

Answer:

b, its a polymer that translates genetic information.

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the answer is: A. Water

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