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Dmitriy789 [7]
3 years ago
13

Give me 10 examples of entropy.​

Chemistry
1 answer:
Mrac [35]3 years ago
6 0

Answer:

A campfire is an example of entropy. The solid wood burns and becomes ash, smoke and gases, all of which spread energy outwards more easily than the solid fuel. Ice melting, salt or sugar dissolving, making popcorn and boiling water for tea are processes with increasing entropy in your kitchen.

Explanation:

If this helped you, the please mark me the brainliest.

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Which of the following would be IRRELEVANT when choosing a material to use for making overhead cables for distributing electrici
yawa3891 [41]
A. Density is the correct answer
3 0
3 years ago
If a weak acid is 25 deprotonated at ph 4 what would the pka be
elena-s [515]

4.48

pH=pKa+log([A-/HA])

25% deprotonated tells us that A- is .25 and that the rest (75% is protonated) thats .75.

4 = pKa + log \frac{.25}{.75}

4 - log \frac{.25}{.75}  = pKa

4.48=pKa

6 0
3 years ago
Please help! I really need help on this!​
sineoko [7]

Answer:

I wanna say c

Explanation:

It makes the most sense, because non-metals don't produce an electrical current, and therefore aren't conductors.

5 0
2 years ago
Draw an electrolytic cell in which Mn2+ is reduced to Mn and Sn is oxidized to Sn2+. (Assume standard conditions).
babunello [35]

Answer:

-1.05 V

Explanation:

A detailed diagram of the setup as required in the question is shown in the image attached to this answer. The electrolytes chosen are SnCl2 for the anode half cell and MnCl2 for the cathode half cell. Tin rod and manganese rod are used as the anode and cathode materials respectively. Electrons flow from anode to cathode as indicated. The battery connected to the set up drives this non spontaneous electrolytic process.

Oxidation half equation;

Sn(s) ------> Sn^2+(aq) + 2e

Reduction half equation:

Mn^2+(aq) + 2e ----> Mn(s)

Cell voltage= E°cathode - E°anode

E°cathode= -1.19V

E°anode= -0.14 V

Cell voltage= -1.19 V - (-0.14V)

Cell voltage= -1.05 V

8 0
3 years ago
Which of the following increases the reaction rate? A. Adding a catalyst to the reaction mixture B. Increasing the size of solid
pickupchik [31]
A. Adding a catalyst. A catalyst by definition is a compound that speeds up reaction rates.
7 0
3 years ago
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