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sineoko [7]
4 years ago
10

Select the correct image.

Chemistry
1 answer:
masya89 [10]4 years ago
3 0

Answer:

A

Explanation:

In all the other options either Carbon has more than 4 atoms attached or less than 4.

Carbon can not form more than four bonds. It can only share 4 electrons .

In other option C, No H-atom is linked in the right most Carbon.

whereas according to the definition of Hydrocarbon it should have been a Hydrogen atom.

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OLga [1]
In the first law, an object will not change its motion unless a force acts on it. In the second law, the force on an object is equal to its mass times its acceleration. In the third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.
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3 years ago
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Calculate the percentage of calcium in calcium chlorate
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Answer:

19.4%

Explanation:

Calcium Chlorate is Ca(ClO3)2

Now calculate the molar mass of Ca(ClO3)2

Ca = 40.1

Cl = 35.5

O = 16.0

But they are two chlorine atoms and six oxygen atoms. So you do this:

40.1 + 35.5(2) + 16.0(6) = 207.1 grams

Now find the molar mass of just calcium.

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40.1(1) = 40.1

Now divide the molar mass of calcium by the molar mass of calcium chlorate.

40.1 / 207.1 = 0.1936

0.1936 rounds to 0.194

Now multiply 0.194 * 100 and you will get 19.4

So the final answer is 19.4%.

Hope it helped!

4 0
3 years ago
What does the 4 mean in the formula4Na2SO3
Maksim231197 [3]

Answer:

it means you have 4 sodium

Explanation:

7 0
4 years ago
In photosynthesis, the reactants are more stable than the products. However, both the products and reactants are stable. Therefo
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Answer:

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<em>carbon dioxide + water → glucose + water</em>

<em />

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With solutions of strong acids and strong bases the word strong refers to
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The answer is degree of ionization. I'm guessing you have already taken the quiz. 
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3 years ago
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