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abruzzese [7]
3 years ago
11

Will mark as Brainliest.

Chemistry
1 answer:
stealth61 [152]3 years ago
3 0
The answer you are looking for is A. If you need me to show you how I got the answer let me know. :)
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Give the electronic configuration of carbon atom.​
zimovet [89]

Answer:

1s2 2s2 2p2

Explanation:

it has 6 electrons in two energy levels so the sub levels are 1s, 2s and 2p

4 0
3 years ago
1. Why is it necessary to equalize the pressure(i.e, have the water level the same in each tube) before taking a volume reading?
Anna11 [10]

Answer:

If you contact water with a gas at a certain temperature and (partial) pressure, the concentration of the gas in the water will reach an equilibrium ('saturation') according to Henry's law.

Explanation:

This means: if you increase the pressure (e.g. by keeping the vial closed), the CO2 concentration will increase. So it simply depends what concentration you need for your assay: 'CO2-saturated' water at low pressure or 'CO2-saturated' water at high pressure.

3 0
3 years ago
When is potential energy transformed into kinetic energy
grin007 [14]
Kinetic energy is when an object is in motion 
How I got my answer is really easy you simply just look at the answers and see which one says the object is in motion . Your answer would most likely be D
7 0
3 years ago
What planet is characterized by rings of ice particles?
iris [78.8K]

Saturn has the most extensive ring system in our solar system & most of the particles floating around in the ring are ice...


Answer=Saturn

5 0
3 years ago
Read 2 more answers
12.5 mL of 0.280 M HNO3 and 5.0 mL of 0.920 M KOH are mixed. Is the resulting solution acidic, basic or neutral?
svlad2 [7]

Answer:

The resulting solution is basic.

Explanation:

The reaction that takes place is:

  • HNO₃ + KOH → KNO₃ + H₂O

First we <u>calculate the added moles of HNO₃ and KOH</u>:

  • HNO₃ ⇒ 12.5 mL * 0.280 M = 3.5 mmol HNO₃
  • KOH ⇒ 5.0 mL * 0.920 M = 4.6 mmol KOH

As <em>there are more KOH moles than HNO₃,</em> the resulting solution is basic.

8 0
3 years ago
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