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jekas [21]
3 years ago
7

Joshua dissolved sugar in water to create a sugar solution. His friend Ray tells him it’s a compound, but Joshua corrects him. W

hich words actually describe the sugar solution?
Chemistry
2 answers:
Anuta_ua [19.1K]3 years ago
6 0

Explanation:

When a substance is added to another substance then the resulting substance is known as a mixture.

For example, when sugar is added to water then sugar will completely dissolve into water. Hence, this will form a homogeneous mixture.

That is, particles of sugar are evenly or uniformly distributed into water.

Thus, we can conclude that mixture is the word which will actually describe the sugar solution.

Lady_Fox [76]3 years ago
5 0

the sugar disolved into the water so its a <u>mixture</u>. boom those words are it


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3 years ago
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inessss [21]
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3 0
3 years ago
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.892 M and [Fe2 ] = 0.0150
Effectus [21]

<u>Given:</u>

Concentration of Cr2+ = 0.892 M

Concentration of Fe2+ = 0.0150 M

<u>To determine:</u>

The cell potential, Ecell

<u>Explanation:</u>

The half cell reactions for the given cell are:

Anode: Oxidation

Cr(s) ↔ Cr2+(aq) + 2e⁻                E⁰ = -0.91 V

Cathode: Reduction

Fe2+ (aq) + 2e⁻ ↔ Fe (s)              E⁰ = -0.44 V

------------------------------------------

Net reaction: Cr(s) + Fe2+(aq) ↔ Cr2+(aq) + Fe(s)

E°cell = E°cathode - E°anode = -0.44 - (-0.91) = 0.47 V

The cell potential can be deduced from the Nernst equation as follows:

Ecell = E°cell - (0.0591/n)log[Cr2+]/[Fe2+]

Here, n = number of electrons = 2

Ecell = 0.47 - 0.0591/2 * log[0.892]/[0.0150] = 0.418 V

Ans: The cell potential is 0.418 V

8 0
3 years ago
Read 2 more answers
Which of these neutralization reactions has a ph &lt; 7 when equal molar amounts of acid and base are mixed. select one:
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The correct answer is B.
Strong acids completely dissociates to give hydrogen ions . Weak bases can only partially dissociate to give hydroxide ions .
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Therefore number of hydrogen ions in the solution will be higher than hydroxide ions, resulting in an acidic pH. Therefore pH <7
6 0
3 years ago
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