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Irina18 [472]
3 years ago
12

What is the maximum number of electrons in the following energy level? n = 2

Chemistry
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0
<span>What is the maximum number of electrons in the following energy level? n = 2

2

</span>
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Alex is on a special diet and needs to watch her intake of carbohydrates. Her doctor told her to maintain a 1,500 calorie per da
devlian [24]

Answer: Alex should get 300 Calories from carbohydrates, which is about 33 grams. This snack is almost 70% of her total grams of carbohydrates per day.

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3 years ago
What are some examples of minerals that occur as elements instead of<br>compounds​
katrin [286]

Answer: Aluminum, Antimony, Arsenic, Bismuth, Carbon, Cadmium, Chromium, Cobalt, etc.

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3 years ago
The partial pressure of N2 in the air is 593 mm Hg at 1 atm. What is the partial pressure of N2 in a bubble of air a scuba diver
Evgen [1.6K]

Answer: Partial pressure of N_{2} at a depth of 132 ft below sea level is 2964 mm Hg.

Explanation:

It is known that 1 atm = 760 mm Hg.

Also,   P_{N_{2}} = x_{N_{2}}P

where,    P_{N_{2}} = partial pressure of N_{2}

                 P = atmospheric pressure

            x_{N_{2}} = mole fraction of N_{2}

Putting the given values into the above formula as follows.

      P_{N_{2}} = x_{N_{2}}P

    593 mm Hg = x_{N_{2}} \times 760 mm Hg

       x_{N_{2}} = 0.780

Now, at a depth of 132 ft below the surface of the water where pressure is 5.0 atm. So, partial pressure of N_{2} is as follows.

         P_{N_{2}} = x_{N_{2}}P

                  = 0.78 \times 5 atm \times \frac{760 mm Hg}{1 atm}

                  = 2964 mm Hg

Therefore, we can conclude that partial pressure of N_{2} at a depth of 132 ft below sea level is 2964 mm Hg.

8 0
3 years ago
Two hydrogen atoms covalently bond to form a hydrogen molecule.
ankoles [38]

Answer:

B

Explanation:

the energy of two separate hydrogen atoms decreases as they approach each other, and the single electrons on each atom are shared to form a covalent bond.

7 0
3 years ago
4. What is the main hydrocarbon component of natural gas? A. ethane
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Answer:

Q.4) C. Methane

Q.7) A. False

Q.8) A. True

7 0
2 years ago
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