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likoan [24]
2 years ago
9

Which of the following is true about gravity? Select all that apply.

Chemistry
2 answers:
Dafna1 [17]2 years ago
8 0
Hi I think the answer is b. I don’t really know because I’m in 6 grade but this is my best guess
Ivenika [448]2 years ago
5 0

Answer:

its always attractive

Explanation:

pls follow me

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Determine the mass of oxygen in a 7.2- g sample of A l 2 (S O 4 ) 3 .
astraxan [27]
Molar mass of A l 2 (S O 4 ) 3 = 342.15 g/mol
7.2g/ 342.15 g/mol
you can get number of moles.
then multiply that by12
7 0
3 years ago
H2SO oxidation number
Bumek [7]

The oxidation number of S in H2SO is +0.

The oxidation number of O in H2SO is -2.

The oxidation number of H in H2SO is +1

3 0
2 years ago
The CN– ion is widely used in the synthesis of organic compounds. What is the pattern of electron pairs in this ion? How many bo
OleMash [197]

For the Lewis diagram of the cyanide ion, a figure is shown.<span>

There are 3 pairs of bonding electrons. There is a one lone pair each for the carbon and the nitrogen atoms.</span>

<span>I hope I was able to answer your question. Thank you!</span>

8 0
3 years ago
What is the formula units for sodium sulfide, sodium sulfite, anf sodium sulfate?​
elena-14-01-66 [18.8K]

Answer:

Look them up.

Explanation:

sulphate is SO4 (2-)

Sufide is S(-1)

Sulfite - look it up - there are several more right there you may need.

3 0
3 years ago
10. The drops of water that appear on the outside of a glass of cold juice on a warm day are an
Sergeu [11.5K]

Answer:

B.condensation

Explanation:

water which collects as droplets on a cold surface when humid air is in contact with it.

5 0
3 years ago
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