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FinnZ [79.3K]
3 years ago
12

Why is velocity mean always greater than the most probable velocity?

Chemistry
1 answer:
Ann [662]3 years ago
6 0

Answer: I am unsure of what you mean.

Explanation:

Please explain better.

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If we have equal masses of copper at 80oC and water at 20oC and we put them together, what is the final temperature?
Ket [755]

Answer:

The final temperature will be close to 20°C

Explanation:

First of all, the resulting temperature of the mix can't be higher than the hot substance's (80°C) or lower than the cold one's (20°C). So options d) and e) are imposible.

Now, due to the high heat capacity of water (4,1813 J/mol*K) it can absorb a huge amount of heat without having a great increment in its temperature. On the other hand, copper have a small heat capacity (0,385 J/mol*K)in comparison.

In conclusion, the copper will release its heat decreasing importantly its temperature and the water will absorb that heat resulting in a small increment of temperature. So the final temperature will be close to 20°C

<u>This analysis can be done because we have equal masses of both substances. </u>

6 0
3 years ago
What mass of glucose would you need (in g) to have 0.8 mol, given that the molar mass of glucose is 180 g mol-1?
Verizon [17]
<h3>Answer: 144 g</h3>

Explanation:

  Mass of glucose = moles × molar mass

∴ Mass of glucose = 0.8 mol × 180 g mol⁻¹

                               =  144 g

∴ the mass of glucose you need to have 0.8 mol of glucose = 144 g

5 0
2 years ago
Glucose helps maintain life on our planet by storing
hodyreva [135]

Answer:

Chemical energy.

Explanation:

This is biology btw, not chemistry

5 0
3 years ago
Which transformation of energy occurs in a hydroelectric power plant?
Ber [7]
The answer for this question is D.
5 0
3 years ago
What does creativity have to do with Science?​
Lady_Fox [76]

creativity is the very element in science that helps us understand things. if we didn't have creative minds, we would never conduct experiments that help us discover things.

hope this helps, good luck!:)

5 0
2 years ago
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