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Arada [10]
3 years ago
14

Determine which molecules are weak acids and weak bases, and place them in the appropriate category.

Chemistry
1 answer:
Dmitry [639]3 years ago
3 0

Answer:

  • CH_{3} COOH is a weak acid with a strong conjugate base (CH_{3} CO_{2} ^{-} )
  • CH_{3} NH_{2} is a weak base with a strong conjugate acid (CHx_{3} NH_{2} ^{-} )

Explanation:

Weak acids do not completely dissociate in water to its distinctive ions, but instead forms conjugate bases; and ice versa with weak bases. The conjugate base has strong affinity for protons and vice versa.

I hope you found this explanation clear and easy to follow.

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Calculate the mass in grams in nine molecules of CH3COOH? Please show how you got your answer.
WINSTONCH [101]
M CH₃COOH: 12u×2 + 1u×4 + 16u×2 =<u> 60u</u>

m 9CH₃COOH: 60u×9 = <u>540u</u>

<em>(1u ≈ 1,66·10⁻²⁴g)</em>
-----------------------------
1u ------- <span>1,66·10⁻²⁴g
540u ---- X
X = 540</span>×<span>1,66·10⁻²⁴g
<u>X = 896,4</u></span><span><u>·10⁻²⁴g


</u>
</span>
7 0
3 years ago
3. Count the number of hydrogen atoms in 2 molecules of vitamin C (2c6H8O6
Alja [10]
There are 16 hydrogen atoms
3 0
2 years ago
Which of the following can be a
yanalaym [24]
The answer would be A
6 0
2 years ago
The unsaturated hydrocarbon butadiene (C4H6) dimerizes to 4-vinylcyclohexene (C8H12). When data collected in studies of the kine
UkoKoshka [18]

Answer:

The dimerization of butadiene to 4-vinylcyclohexene folows second order kinetics and its rate law will be given by :

R=k[C_4H_6]^2

Explanation:

2C_4H_6\rightarrow C_8H_{12}

The rate of the reaction ;

R=k[C_4H_6]^x

As given in the question , that graph of time verses \frac{1}{[C_4H_6]} was linear but plots of [C_4H_6] or \ln[C_4H_6]  was curved.

Generally:

Graph of time verses [concentration] for zero order reaction is linear with negative slope.

Graph of time verses \ln [concentration] for secon order reaction is linear with negative slope.

Graph of time verses \frac{1}{[concentration]} for secon order reaction is linear with positive slope.

So, the dimerization of butadiene to 4-vinylcyclohexene folows second order kinetics and its rate law will be given by :

R=k[C_4H_6]^2

3 0
2 years ago
ILL GIVE BRAINLIEST! :).
fomenos
Option 2 is the correct answer
3 0
2 years ago
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