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Snezhnost [94]
3 years ago
13

Which of the following is a negatively charged particle?

Chemistry
1 answer:
kirza4 [7]3 years ago
7 0

Answer:

B. electron

Explanation:

B. electron

electron is a negatively charged particle

proton is a positively charged particle

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Give three examples,from the lab where potential energy was converted to kinetic energy?​
creativ13 [48]

Answer:

*a car geared neutral that is at a stop. two men start pushing it

*tire physical therapy. trie is at rest until you come up to the tire and flip it

*pushing a wheel barrel  

Explanation:

everthing has to be at a complete stop then through energy be moved

7 0
3 years ago
Determine the amount of heat (in kj) required to vaporize 1.55 kg of water at its boiling point. for water, δhvap
Usimov [2.4K]
Heat required to vaporize 1 mol of water from water at 100C to steam at 100C = 40.7 kJ 
<span>1 mol of water weighs =  18.015g
</span>1.55 kg = <span>1550/18.015 mol = 86.03 mol 

</span><span>Heat required to vaporize :
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5 0
3 years ago
An object has a mass of 441 g and a volume
Ratling [72]

Answer:

<h3>The answer is 4.41 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{441}{10}  \\

We have the final answer as

<h3>4.41 g/cm³</h3>

Hope this helps you

6 0
3 years ago
HELPP 20+ POINTS!!!
VashaNatasha [74]
The answer is •c•
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6 0
3 years ago
Convert 2.83 days into seconds
katovenus [111]
2.83 days into hours  = 2.83 x 24 = 67.92 hours

67.92 hours into minute = 67.92 x 60 = 4075.2 minutes

4075.2 minutes into seconds = 4075.2 x 60 = 244,512 seconds.
5 0
3 years ago
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