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ziro4ka [17]
3 years ago
7

Which of the following values are not equal to 1 mole

Chemistry
1 answer:
nikklg [1K]3 years ago
5 0

Answer:

20.0 g of Nitrogen

Explanation:

The 4th answer contain 14.0 g of Nitrogen.

Please correct me if I'm wrong.

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Find the volume of 20g of H₂ at STP<br><br>​
ANEK [815]

Answer:224

Explanation:

We should answer it with Stoichiometry

We say: 20 g H2× (1 mol/ 2g)× ( 22.4 lit/ 1 mol) = 224

Means: we have 20 grams and every 2g H2, equals to 1 mol of it and every 1 mol of H2, equals to 22.4 lit( because of STP)

hope you got this:)

6 0
3 years ago
1,670,000,000 in<br> scientific notation pleaseeee
noname [10]

Answer:

1.67 × 10^9

Explanation:

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Why does Europe, the USA, and Canada have acid rain?
Gala2k [10]
Because of pollution from factories and other activities that release harmful gases into the air
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Elements that have the following qualities: Lustrous, Solid at Room Temperatures, They react and form Basic Compounds, Great con
Tatiana [17]

Answer:

They are classified as METALS.

Explanation:

Elements are simple substances that cannot be chemically broken down into smaller substances. Based on different characteristics, they are classified into 3 namely:

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- metalloid( mainly act as semi- conductor).

METALS are the type of elements that loses electrons to form positive ion, that is, they are electropositive elements. They are distinguished by the following characteristics:

- LUSTROUS: they have the ability to reflect light from its surface.

- At room temperature: Metals are solid are room temperature with the exception of Mercury which is liquid at room temperature.

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- Great conductor: most metals are great conductors of heat and electricity because they possess free electrons.

- Melting Point: they have high melting points.

8 0
3 years ago
AUG, the codon that codes for the amino acid methionine is also called a ____ codon (answer choices 1.start 2.Stop 3.Go 4.beginn
Katarina [22]
<h2>Answer:  START (2)</h2>

Explanation:

AUG is a <u>START</u> codon.  (2)

A start codon is the first codon translated by a ribosome. It usually produces an amino acid that initiates the producyion of a polypeptide chain.

5 0
3 years ago
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