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laila [671]
2 years ago
13

Under what conditions can a non-spontaneous reaction be made spontaneous?

Chemistry
2 answers:
Kitty [74]2 years ago
7 0
It can be c I think tho
Gre4nikov [31]2 years ago
6 0

Answer:

A. When an endothermic reaction has a positive change in entropy and the temperature is greatly increased

Explanation:

An spontaneous reaction is one that occurs without having been provoked by an external influence. The non-epontaneous reaction, on the other hand, is one that occurs only when they are induced in the opposite direction.

Most of the non-spontaneous reactions are endothermic, that is, they occur with the absorption of energy. An example of a non-spontaneous reaction occurs when a metal needs to be heated to increase its temperature. The heating of a metal is very difficult to occur naturally, without an external factor that provokes the reaction.

However, a non-spontaneous reaction can become spontaneous depending on the entropy of the system. Entropy in an isolated system tends to increase when an spontaneous reaction occurs. Therefore, in order for a non-spontaneous reaction to become spontaneous it is necessary that an endothermic reaction has a positive change in entropy and the temperature increases a lot.

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lara [203]

Answer:

0.238 M

Explanation:

A 17.00 mL sample of the dilute solution was found to contain 0.220 M ClO₃⁻(aq). The concentration is an intensive property, so the concentration in the 52.00 mL is also 0.220 M ClO₃⁻(aq). We can find the initial concentration of ClO₃⁻ using the dilution rule.

C₁.V₁ = C₂.V₂

C₁ × 24.00 mL = 0.220 M × 52.00 mL

C₁ = 0.477 M

The concentration of Pb(ClO₃)₂ is:

\frac{0.477molClO_{3}^{-} }{L} \times \frac{1molPb(ClO_{3})_{2}}{2molClO_{3}^{-}} =0.238M

6 0
3 years ago
Describe and explain the trends in reactivity in different groups of the periodic table, using your knowledge of electronic stru
Alex777 [14]
Metal period- Reactivity Gets smaller as you move from left to right.
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6 0
2 years ago
Need Answer Quick
Mkey [24]

Answer:

Electrons

Explanation:

7 0
3 years ago
Read 2 more answers
20 points!!!
MariettaO [177]

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2 years ago
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Describe each highlighted bond in terms of the overlap of atomic orbitals. (If the highlighted bond is not a pi bond, select the
Anestetic [448]

The image of the bonds are missing, so i have attached it.

Answer:

A) - Sigma bond

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- None

B) - Sigma and pi bond

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Explanation:

A) For compound 1;

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- Atomic orbitals in the pi bond would be nil because there is no pi bond.

B) For compound 2;

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2 years ago
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