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Vera_Pavlovna [14]
4 years ago
15

Sam's teacher is trying to model the day/night cycle on Earth. One student holds a large yellow ball to represent the Sun. Anoth

er student holds a smaller brown ball to represent Earth.
Chemistry
1 answer:
STatiana [176]4 years ago
6 0
What’s the question here
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The element Y has 13 electrons. What is the electronic configuration of
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Answer:

0,2,8,3

Explanation:

k shell takes 2,L shell takes 8 and M shell takes the remaining which is 3

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3 years ago
Why the mixture of bromine and ethane is discoloured when left in the sun​
DENIUS [597]

Answer:

In the presence of UV light, ethane will react with bromine in a substitution reaction. UV light is the condition under which the reaction will occur so it is written above the arrow in the chemical equation. As the reaction proceeds, the intensity of the re-brown colour of the bromine water decreases.

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3 years ago
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(Sc)

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4 years ago
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What does the graph show?
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The P Wave travels through Earth's crust more quickly than the S wave travels

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P and S waves are types of seismic waves that travel through Earth's crust.

Some basic data we can read from this graph are:

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Based on this data, we can conclude that, since P wave takes less time then S wave to travel the same distance, that means that it moves through Earth's interior more quickly.

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Which of the following is the main reason to use titration in chemistry
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