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Kipish [7]
3 years ago
11

Which is the correct chemical equation for the following statement? “Sodium reacts with oxygen in a 2 to 1 ratio to produce sodi

um oxide.”
Chemistry
1 answer:
den301095 [7]3 years ago
4 0
I think answer youre looking for is 2Na+O->Na2O . But sadly it is wrong since we dont use  atomic oxygen in reactions. It should be rather
4Na+O2 => 2Na2O but it doesnt correspond to ratios given.
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Which compounds are lewis acids? select all that apply. (ch3ch2)2hc+ cl3c− ch3nh2 bbr3?
alexandr402 [8]

The Lewis acids are electron pair acceptors due to the availability of vacant orbitals they accept electrons from the donor compounds.

  • (CH_3CH_2)_2CH^{+} is a Lewis acid due to the unfilled valence shell on carbon atom (possessing positive charge) it accepts electron readily.
  • CCl_{3}^{-} is not a Lewis acid due to the presence of negative charge which represents that there are electrons available for donation.
  • CH_3NH_2 is not a Lewis acid due to the presence of lone pair on nitrogen which is easily donated to the acceptors.
  • BBr_3 is a Lewis acid due to the availability of vacant p-orbital on boron atom.

Hence, (CH_3CH_2)_2CH^{+} and BBr_3 are Lewis acids.

3 0
3 years ago
Mass of 0.432 moles of C8H9O4?
Fiesta28 [93]
Find one mole
8 C = 8 * 12 = 96
9 H = 1 * 9 = 9
4 O = 4 *16 = 64
Total = 169 

1 mol = 169 grams.
0.432 mol = x

1/0.432 = 169/x
x = 0.432 * 169
x = 73.0 grams
7 0
3 years ago
Read 2 more answers
What factor would speed up a chemical reaction
vekshin1

Answer:

Adding Catalyst can Speed up a Chemical reaction

8 0
2 years ago
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Safurared Solution changes into Unsaturated<br>by heating​
natima [27]

Answer:

Yes it is because heating expands molecules of solution which helps to form a solution as it acts as solvent solution.

Explanation:

7 0
2 years ago
How many single covalent bonds must a silicon atom form to have a complete octet in its valence shell? how many single covalent
omeli [17]
Silicon must have 4 single covalent bond, every single bond has 2 electrons (one pair), so 4·2=8 electrons (octet).
8 0
3 years ago
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