Which best describes the effect of J. J. Thomson’s discovery?

1 answer:

8 0

J.J. Thompson is a British physicist who discovered the electron by a series of experiments which is designed to study the nature of a cathode ray tube. His discovery showed us that an atom can be split into smaller parts. He was a pioneer in the study of the model of an atom.

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If you prefer to learn by reading to your self instead of participating in a group discussion, you are most likely a what kind o

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Intrapersonal or solitary learner

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How many molecules are there in 4.00 l of oxygen gas at 500.∘ c and 50.0 torr?

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From the ideal gas law
pv=nRT , n is therefore PV/RT
R is the
R is gas constant =62.364 torr/mol/k
P=500torr
V=4.00l
T=500+273=773k
n={(500 torr x 4.00l)/(62.364 x773k)}=0.041moles
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Liquidification of gases

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the process by which substances in their gaseous state are converted to the liquid state.

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When pressure on a gas is increased, its molecules closer together, and its temperature is reduced, which removes enough energy to make it change from the gaseous to the liquid state.

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Which statement best explains how organ systems work together to remove wastes?

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D is your answer correct.

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A three-step mechanism has been suggested for the formation of carbonyl chloride: Step 1: Cl2 → 2 Cl Step 2: Cl + CO → COCl Step

ladessa [460]

Answer:

COCl species is an intermediate in the mechanism.

Explanation:

Intermediates are those chemical species which only appears for a short time in a course of a chemical reaction. They act as product and reactant during the reaction. Also they do not appear in overall chemical reaction.

Step 1: $Cl_2\rightarrow 2 Cl$

Step 2: $Cl + CO\rightarrow COCl$

Step 3: $COCl + Cl_2\rightarrow COCl_2 + Cl$

Overall reaction :

$2Cl_2+CO\rightarrow COCl_2+2Cl$

As we can see that all the chemicals are present in the overall reaction beside COCl.

COCl species is an intermediate in the mechanism.

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