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BARSIC [14]
2 years ago
14

ANSWER THESE 5 MULTPLE CHOICE QUESTIONS!!! I'LL GIVE 30 POINTS AND A BRAINIEST:)

Chemistry
1 answer:
Artemon [7]2 years ago
7 0

Answer:

1. B

2.C

3.D

4.Sorry don't this one :(

5.A

Explanation:

please give me at least 20 points ❤

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lukranit [14]

Answer:

A I think

Explanation:

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2 years ago
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100 Points.
hodyreva [135]
I think it’s C but I’m not sure
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the two stages that take place during distillation are. a.evaporation is folloeed by condensation. b.condensation followed by ev
ValentinkaMS [17]

Answer:

evapiration followed by condensation

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Without doing any calculations, match the following thermodynamic properties with their appropriate numerical sign for the follo
siniylev [52]

Answer:

∆H > 0

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Explanation:

We are informed that the reaction is endothermic. An endothermic reaction is one in which energy is absorbed hence ∆H is positive at all temperatures.

Similarly, absorption of energy leads to a decrease in entropy of the reaction system. Hence the change in entropy of the reaction ∆Sreaction is negative at all temperatures.

The change in free energy for the reaction is positive at all temperatures since ∆S reaction is negative then from ∆G= ∆H - T∆S, we see that given the positive value of ∆H, ∆G must always return a positive value at all temperatures.

Since entropy of the surrounding= - ∆H/T, given that ∆H is positive, ∆S surrounding will be negative at all temperatures. This is so because an endothermic reaction causes the surrounding to cool down.

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2 years ago
I need help with this question 20 points and brainiest if ur right
Nutka1998 [239]

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The volume is 8 cm³

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