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Anvisha [2.4K]
2 years ago
15

How many of the electrons in a molecule of ethane are not involved in bondind​

Chemistry
1 answer:
vovikov84 [41]2 years ago
7 0

Ethane consists of 6C−H bonds and 1C−C bond. Total number of bonds is 7. Each bond is made up of two electrons

<h2><em>#</em><em>L</em><em>E</em><em>T</em><em>S</em><em> </em><em>STUDY</em></h2>

<em>#</em><em>B</em><em>R</em><em>A</em><em>I</em><em>N</em><em>L</em><em>E</em><em>S</em><em>T</em><em> </em><em>LOVE❣️</em>

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Which statement explains why catalysts are important for living
Marina86 [1]

Answer:

Catalysts allow chemical reactions to occur at temperatures at which the organism lives.

Explanation:

Catalysts are molecules that speeden the rate of chemical reaction by lowering the activation energy of the reaction. In a living system, the catalyst are ENZYMES, which help to hasten up many biochemical reactions.

Another function of catalyst in living systems is that it allows chemical reactions to occur at temperatures at which the organism lives.

8 0
2 years ago
Regarding the formula al2o3 which of the following is accurate
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8 0
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How many grams of H2O2 are in 3 moles of H2O2?
stira [4]

Answer:

The answer is 102.3!

Explanation:

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4 0
2 years ago
Identify the spectator ions in this reaction:<br> 2H+ + 2NO3- + Ca2+ + 2OH- → Ca2+ + 2NO3 + 2H20
inysia [295]

Answer:

Explanation:

2NO3, Ca2+

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4 0
2 years ago
Read 2 more answers
A 0.0884 M solution of a weak base has a pH of 11.79. What is the identity of the weak base?Weak Base KbEthylamine (CH3CH2NH2) 4
iVinArrow [24]

Answer:

The base must be ethylamine.

Explanation:

The pH of solution of a weak base gives us an idea about the Kb of the base.

pOH=14-pH

pOH=14-11.79=2.21

pOH=-log[OH^{-}]

[OH^{-}]=0.0062M

The relation between Kb and hydroxide ion concentration is:

Kb=\frac{[OH^{-}]^{2}}{[base]}

Kb=\frac{0.0062X0.0062}{0.0884}=4.34X10^{-4}

Thus the weak base must be ethylamine.

7 0
2 years ago
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