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Anestetic [448]
3 years ago
7

3.1

Chemistry
1 answer:
stich3 [128]3 years ago
4 0

Answer:

C3H8 +5O2 arrow 3CO2 +4H2O

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Question 6
I am Lyosha [343]

Answer:

A. is the correct point.

Explanation:

This is true because no matter how many mL of water is added, the solution only gets more height; the concentration in everything else stays the same, and water doesn't have any concentration. Very confusing, I know. Good luck!

4 0
2 years ago
Propanoic acid, ch3ch2cooh, has a pka =4.9. draw the structure of the conjugate base of propanoic acid and give the ph above whi
xenn [34]

Conjugate base of Propanoic acid (CH_{3}CH_{2}COOH is propanoate where -COOH group gets converted to -COO^{1-}. The structure of conjugate base of Propanoic acid is shown in the diagram.

The p^{H} above which 90% of the compound will be in this conjugate base form can be determined using Henderson's equation as propanoic acid is weak acid and it can form buffer solution on reaction with strong base.

p^{H}= p^{k_{a}+ log\frac{[Conjugate base]}{[acid]}=4.9+log\frac{90}{10}=5.85

As 90% conjugate base is present, so propanoic acid present 10%.

8 0
3 years ago
Which element(s) are not balanced in this equation?
poizon [28]
The correct response is A. Only the Fe is unbalanced.
6 0
2 years ago
While working in the lab, you observe the following volume.
MakcuM [25]

Answer:

B 18.4L

Explanation:

7 0
2 years ago
Read 2 more answers
Where is the energy for cell division generated?
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Mitochondria because is the power house for cell,site for respiration or energy release.
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