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enyata [817]
3 years ago
13

What happens when an electron jumps from energy level 1 to energy level 2 in an atom?

Chemistry
1 answer:
Elden [556K]3 years ago
8 0
It’s gains energy and becomes less stable
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What happens to the molar mass volume when the pressure decreases?
Readme [11.4K]

Answer:

See below.

Explanation:

The volume increases.

This is complies with Boyles Law:

At constant temperature P1 V1 = P2 V2    where P1, P2 are the pressures before and after and V1 and V2 are the volumes before and after.

7 0
4 years ago
Give the measurement following sig fig rules for tools. Do not forget the unit after your number measurement.​
In-s [12.5K]

Answer:

Explanation:

You are not really helped by what is hold the liquid. Beakers and cylinders come on a lot of sizes. I hate to be crabby about things like that, but you really need to be aware that the question is slightly flawed (not your fault).

The beaker, you'd be like to get 1 sig digit. You have to be awfully careful about claiming more. So the and is 50 mL, but that mL is a guess and the 50 is not totally accurate, but what would you say the second digit is? 48 or 47? You don't really know. Maybe even 49.

The graduated cylinder is a little better. Read the bottom of the meniscus (the bottom of the 1/2 bubble). I think you can get 2 sig digs., so the answer is 36 mL. But everything also depends on what you have been told.

5 0
3 years ago
What is the method use to separate sand and water​
Slav-nsk [51]

Sand and water can be separated by any of the following methods:

1. Sedimentation and decantation: This method involves the mixture being kept undisturbed for some time. After some time, sand being heavier and insoluble in water, settles down at the bottom of container. Now, water is poured into another container to separate it from sand.

2. Filtration: This method involves the mixture being passed through a filter paper (a filter with very fine pores). Sand particles being larger in size are retained by the filter paper and get separated from water.

I hope this helps! :D

7 0
3 years ago
Explain how the structure and bonding in bromine account for it's relatively low melting point.
svetlana [45]

Melting point is dependent on the intermolecular forces which means the bonds between the molecules of bromine as it is a simple molecular structure

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3 years ago
A mass of 2.20 kg of sodium phosphate is converted number of moles
Paladinen [302]

Explanation:

here's the answer to your question

3 0
3 years ago
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