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KonstantinChe [14]
3 years ago
6

1. Used as a solvent

Chemistry
1 answer:
Yanka [14]3 years ago
4 0

Answer:

1. Used as a solvent - CH3OH

2. The major constituent of natural gas -

CH4

3. Vinegar when in a diluted form - CH3COOH

4. Used in the manufacture of polyethylene plastic

C2H4

Hope this helps.

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Write the balanced electrochemical reaction for when zinc reacts with a copper solution. Label what is being oxidized and what i
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The balanced equation would be Zn + Cu^{2+} ---- > Cu + Zn^{2+}

<h3>Electrochemical equations</h3>

Zn reacts with Cu solution according to the following equation:

Zn + Cu^{2+} ---- > Cu + Zn^{2+}

In the reaction, Cu^{2+} is reduced according to the following: Cu^{2+} + 2 e^- -- > Cu

While Zn is oxidized according to the following: Zn - 2e^- --- > Zn^{2+}

Thus, giving the overall equation of; Zn + Cu^{2+} ---- > Cu + Zn^{2+}

More oxidation-reduction equations can be found here: brainly.com/question/13699873

#SPJ1

5 0
2 years ago
A particular power source contains a chemical that releases electrons on one side and a chemical that accepts the electrons on t
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3 years ago
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Some one help me please I'm stuck Show using two conversion factors how you would convert from 0.020 kg into mg.
julia-pushkina [17]

Answer:

=2.0x10^4mg

Explanation:

Hello there!

In this case, when performing units conversions involving two proportional factors we need to make sure we first convert to the base unit and then to the target one; thus, since 1 kg = 1000 g and 1 g = 1000 mg, we set up the following expression:

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4 0
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A salt is known to be an alkali metal fluoride. A quick approximate determination of freezing point indicates that 4 g of the sa
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For the answer to the question above, I can't help you directly because I don't have a calculator right now. But I'll show you how to solve this.
<span>use the freezing point depression formula for this one: delta T = i * m * K where K is a constant, m is the molality (mol solute/kg solvent), and i is the van'hoff factor the van hoff factor is the number of ions that your salt dissociates into. Since it's an ALKALI flouride salt, how many ions? k is just a constant, you get it from a table in your textbook somewhere So you have everything to solve for the molality of the solution, once you did that, multiplying it by the mass of water to find the mols of the salt. Take the mass of the salt and divide by this mols to figure out the molar mass, and then compare it with the periodic table to identify the salt.
</span>
<u>Mole solute</u>   x  mass of Water  = Mol solute<u>
</u>kg Solvent

then 

Mass of solute  x  <u>            1             </u>   =  molar mass
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