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nika2105 [10]
3 years ago
12

Help lol sorry if I’m spamming this is just really hard for me

Chemistry
2 answers:
yanalaym [24]3 years ago
7 0
True!! Enwnwnwnwna. Anwnwnwnwwnan
galben [10]3 years ago
4 0
It’s true:)
The subscript on chemical equations tells you how many atoms the elements have. If there is no subscript then there is only 1 atom.
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mestny [16]

According to this question, a substance with a high volatility readily evaporates.

<h3>What is volatility?</h3>

Volatility is the characteristics of a material which describes how readily the material undergo vaporization.

Volatile substances readily change phase from solid or liquid to gases via the process of vaporization.

Therefore, according to this question, a substance with a high volatility readily evaporates.

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8 0
2 years ago
This graph shows the energy involved in a reaction involving two molecules. Describe what is happening or what the state of the
djyliett [7]

Answer:

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Explanation:

6 0
3 years ago
Glucose (molar mass=180.16 g/mol) is a simple, soluble sugar. Glucose solutions are used to treat patients with low blood sugar.
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4 years ago
Hello
nordsb [41]

Answer:

The ratio of the number of atoms of gold and silver in the ornament is 197 : 1080.

Explanation:

Let the mass of silver ornament be x.

Mass of gold polished on an ornament = 1% of x= 0.1 x

Moles of silver =\frac{x}{108 g/mol}

Number of atoms = Moles\times N_A

Where : N_A = Avogadro number

Moles of gold =\frac{0.1x}{197 g/mol}

Silver atoms =\frac{x}{108 g/mol}\times N_A

Gold atoms =\frac{0.1x}{197 g/mol}\times N_A

The ratio of the number of atoms of gold and silver in the ornament:

=\frac{\frac{0.1x}{197 g/mol}\times N_A}{\frac{x}{108 g/mol}\times N_A}

= 197 : 1080

3 0
3 years ago
why is the frequency of the C=O stretch in the hydrogenation product higher than in ethyl cinnamate?
antiseptic1488 [7]
The hydrogenation of ethyl cinnamate will result to an ester which can be a racemic mixture of products or just a meso compound depending on the structure of the ethyl cinnamate (cis or trans). The ester will produce a frequency of C=O stretch of <span>1750 - 1735 (s.</span>
7 0
3 years ago
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