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mylen [45]
3 years ago
8

How can a chemical reaction be sped up?Select from the drop-down menu to correctly complete the statement.

Chemistry
2 answers:
viktelen [127]3 years ago
8 0

Answer: Temperature

Explanation:

RoseWind [281]3 years ago
6 0

Answer:

Concetration

Explanation:

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Which curve or point of a phase diagram would indicate the melting point at various temperatures and pressures?

fusion curve

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We both have 10 neutrons in our nuclei. What are we?
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A student made the Lewis dot diagram of a compound as shown. Mg is written with two dots shown on its top. Cl is written on the
blsea [12.9K]

Answer:

The dots were not properly located and arrows are not used in Lewis structures

Explanation:

If we intend to write a Lewis structure for a compound, that lewis structure must consist of only dots. These dots actually show the valence electrons on the outermost shell of the molecule.

We do not involve arrows when writing dot electron structures for compounds. The valence electrons of magnesium ought not to be written together because they are not a lone pair, rather they are two unpaired electrons. The use of an arrow suggests a coordinate covalent bond which is not the case here.

The correct lewis structure for MgCl2 is shown in the image attached to this answer.

7 0
3 years ago
Which of the following would have the highest buffer capacity?
Mrrafil [7]

Answer:

1.25 M HCO₃⁻ / 1.25 M CO₃²⁻

Explanation:

Buffer capacity refers to the amount of a strong acid or base required per liter of the buffer to change its pH by one. This amount is directly related to the concentration of the conjugate acid-base pair in the buffer since the buffer pair neutralizes the strong acid or base.

Thus, the highest buffer capacity is found in the solution that has the highest concentration of the conjugate acid-base pair, which is 1.25 M HCO₃⁻ / 1.25 M CO₃²⁻ .

7 0
3 years ago
Directions are in the picture
Mrrafil [7]

Answer:

Question Clear

Explanation:

Make sure your question is clear.

6 0
3 years ago
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