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My name is Ann [436]
3 years ago
6

The following models represent three different mixtures of the same solid in water,

Chemistry
1 answer:
velikii [3]3 years ago
3 0

Answer:

A

Explanation:

bcuz the water in it is little

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AlladinOne [14]

Answer:

A

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eons are divided into eras and eras are based on major events and can vary in time so eons can vary in time

8 0
2 years ago
What is the organic compound?
kondaur [170]

Answer:

propa-1-nol

Explanation:

easy clapp

3 0
1 year ago
The quinine in tonic water shines a strange blue-white colour when lit with UV light. Explain what is happening here.
Alecsey [184]

Answer:

Here's what I get.

Explanation:

Quinine contains phosphors, substances that glow when they are hit with certain wavelengths of light.

The phosphors in quinine absorb UV light, which is invisible to our eyes.

Electrons in the phosphors absorb the UV energy and are excited to higher energy levels.

When the electrons drop back to lower energy levels, they emit some of this energy as a glowing blue visible light.  

5 0
3 years ago
What are the top three sources of the U.S electricity generation?
SVETLANKA909090 [29]

Answer: The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources

Explanation:

7 0
3 years ago
Read 2 more answers
How many hydrogen atoms are in 105 g of water?
mel-nik [20]
Moles of water atoms = mass/molecular weight = 105/18 = 5.83 mol. Number of moles of hydrogen in water = 2 x moles of water = 11.66. Number of H atoms in water = moles of hydrogen x 6.02 x 10^23 = 7.019 x 10^24 ~ 7.02 x 10^24 atoms. Hope this helps.
3 0
3 years ago
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