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Alinara [238K]
3 years ago
13

What does ethanol and ethanoic acid make?

Chemistry
1 answer:
HACTEHA [7]3 years ago
7 0
Ethanol and Ethanoic adid make Ethyl ethanoate.
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What energy transform occours in a genorator
guapka [62]

Answer:

please mark me as brainlist

Explanation:

The generation of electrical power requires relative motion between a magnetic field and a conductor. In a generator, mechanical energy is converted into electrical energy.

4 0
3 years ago
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Add oxidation numbers to the following reaction: 2 H3PO4 (aq) + 2 Cr(s) → 2 CrPO4 (aq) + 3 H2(g). Identify the atom that is oxid
rewona [7]

The atom that is oxidized : Cr

The oxidizing agent : H₃PO₄

<h3>Further explanation</h3>

Reaction

2 H₃PO₄ (aq) + 2Cr(s) → 2 CrPO₄ (aq) + 3H₂(g)

Atoms undergoing a reduction reaction (decrease in oxidation number) and an oxidation reaction (increase in oxidation number)

  • Reduction (+1 to 0)

H⁺(in H₃PO₄) =+1

H₂=0

  • Oxidation (0 to +3)

Cr = 0

Cr³⁺(in CrPO₄ )

the oxidizing agent.⇒which undergoes a reduction reaction and oxidizes another compound/element : H₃PO₄

3 0
3 years ago
What is the term for a group of atoms held together by covalent bonds and having an overall positive or negative charge?
madam [21]
Polyatomic ion: a covalently bonded group of atoms that has a positive or negative charge and acts as a unit.
5 0
3 years ago
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What sort of chemical hazard is thalidomide?
trapecia [35]
The hazard from thalidomide is that it can cause children to die or to be born with deformed limbs, often without limbs. That's why its use has been greatly reduced and is now only usable in treating certain types of cancers or leprosy.
3 0
3 years ago
at a particular temperature, asample of pure water has a Kw of 1.7x10-12. what is the hydroxide concentration of this sample
Lena [83]

Answer:

Hydroxide concentration of the sample is 1.3x10⁻⁶M

Explanation:

The equilibrium constant of water, Kw, is:

H₂O(l) ⇄ H⁺(aq) + OH⁻(aq)

Kw is defined as:

Kw = 1.7x10⁻¹² = [H⁺] [OH⁻]

As the sample is of pure water, both H⁺ and OH⁻ ions have the same concentration because come from the same equilibrium, that is:

[H⁺] = [OH⁻]

We can write the Kw expression:

1.7x10⁻¹² = [OH⁻] [OH⁻]

1.7x10⁻¹² = [OH⁻]²

1.3x10⁻⁶M = [OH⁻]

<h3>Hydroxide concentration of the sample is 1.3x10⁻⁶M</h3>
6 0
3 years ago
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