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stepladder [879]
3 years ago
8

What type of bond would you expect in a compound of oxygen & sodium?

Chemistry
1 answer:
Aleks04 [339]3 years ago
5 0
4Na+O2--›2Na2O
Ionic bond
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Please help me please
Ludmilka [50]

Answer:

b

Explanation:

i read this once and remember,trust me!

7 0
3 years ago
Read 2 more answers
Determine the value for the following reaction. N2(g) + 3H2(g) → 2NH3(g)+ 22,000 cal ΔH =
o-na [289]
<span>The </span>ΔH value is -22kcal
5 0
3 years ago
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Which are characteristics of a person who is nearsighted?
Mars2501 [29]

Answer: People that are usually nearsighted have lots of difficulty reading road signs from far distance, also have difficulty with seeing distant objects clearly, and this is obviously something dangerous for a person who has trouble with seeing from far. And the weird thing is, they might have that difficulty but in the other hand, they are able to see very well from close-up tasks such as reading a book or seeing the computer screen clearly. This disability is called "myopia".  In addition, people who are nearsighted also have difficulty seeing objects from far distance very blurry.   Farsightedness is the result of the visual image being focused behind the retina rather than directly on it. It may be caused by the eyeball being too small or the focusing power being too weak.

I hope this helps answer your question! If you have options for this question, let me know k :) (Ask for help too)

6 0
3 years ago
at 25C and 775 torr, Carbon dioxide has a solubility of 0.0347M in water. What is its solubility at 25C and 1270torr?
Maslowich
Your answer is :
P = K * x where P is partial pressure K is Henry's constant and x is solubility 

<span>775 torr = K L·torr/mol * 0.0.0347 mole / liter </span>

<span>K = 775 / 0.0347 = 22334 L·torr/mol </span>

<span>in the second solution we have </span>

<span>1670 = 22334 * x </span>

<span>x = 1670 / 22334 </span>

<span>= 0.075 moles CO2 per liter of water.
</span>
Hope this helps :)
If you need anymore help with questions then feel free to ask me :D

7 0
3 years ago
If cobalt is emitting radiation but there is no change in its atomic number, what type of radiation is being emitted? A. Gamma B
iragen [17]

Answer:

(A) Gamma

Explanation:

They are emitted during radioactive decay and have no mass and no electrical charge meaning no change in atomic number or mass number.

Hope it helps :)

8 0
3 years ago
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