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pochemuha
4 years ago
7

Which of the following is the correct model of C8H18?

Chemistry
2 answers:
expeople1 [14]4 years ago
4 0
The answer is D because each point or vertex represents a carbon atom. D is the only one that has 8 of those. Also have in mind that <span>each Carbon can make 4 bonds and the single line joining 2 points is a single bond</span> I hope this is what you were looking for. 
blsea [12.9K]4 years ago
3 0

the Answer is D and for C7H16 it’ll be C

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What is the process where a liquid changes from its liquid state to a gaseous state?
Mars2501 [29]
When a liquid goes from a liquid state to a gaseous state it is called evaporation
7 0
3 years ago
Read 2 more answers
Mass=1.01 kg; volume =1000cm3
guajiro [1.7K]

Density = 1.01 g/cm^3 or 1.01 kg/dm^3 or 1010 kg/m^3

Density = mass/volume = 1010 g/1000 cm^3 = 1.01 g/cm^3 = 1.01 kg/dm^3

= 1010 kg/m^3


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3 years ago
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2. A 90 g bag of trail mix is contains 22% nuts, 35% granola, 18% dried fruit. The rest is chocolate chips.
elena-14-01-66 [18.8K]
There are:

19.8g of nuts (90x0.22=19.8)
31.5g of granola (90x0.35=31.5)
16.2g of dried fruit (90x0.18=16.2)
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4 0
3 years ago
The rate of reaction was measured during a chemical reaction. After the first 3 seconds, the rate of reaction was 1.8 x10-6 M/s.
avanturin [10]

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The rate would be lower and the concentration of reactants would be lower.

Explanation:

The rate of a chemical reaction depends on the rate constant and the concentration of reactants.

For Ex:

For a reaction experimentally given by A + B ----> C + D

Rate = k[A][B]

where k is the rate constant

          [A] = concentration of reactant A

          [B] = concentration of reactant B

As the reaction proceeds,the concentration of reactant decrease and concentration of products increase.Rate constant k depends only on temperature and activation energy.Hence it will remain constant throughout the reaction assuming that reaction is carried out at constant temperature and pressure.

Hence rate will depend only on concentration of reactants and hence decrease with decrease in concentration of reactants.

8 0
3 years ago
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