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stich3 [128]
2 years ago
13

Air, Sea water, alloy afe the examples of

Chemistry
1 answer:
ratelena [41]2 years ago
8 0

Answer:

B. Mixture

because air,sea water and alloy are example of Mixture

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Which is the atomic number of an atom that forms an ion with 18 electrons and a charge of 2+?
Anettt [7]

Answer:

Calcium

Explanation:

It has 20 electrons to start, loses two to become Ca 2+, and is left with 18 electrons

5 0
2 years ago
22. pH is a measure of ______________.
just olya [345]
22 is a
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I believe the answers are correct.
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2 years ago
Which statement best compares a gamma ray to a radio wave?
VLD [36.1K]

Answer:

Explanation:The only difference between these different types of radiation is their wavelength or frequency. Wavelength increases and frequency (as well as energy and temperature) decreases from gamma rays to radio waves.

4 0
3 years ago
What is the molality of a solution that is obtained by dissolving 2.922 g of NaCl into 1000.0 g of water if the molar mass of Na
never [62]
In order to find molarity, you must first find the number of moles that was dissolved.

Now, Moles = Mass ÷ Molar Mass
                   
⇒  Moles of NaCl  = 2.922 g ÷ 58.44 g/mol 
                       
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∴ the Molarity of the NaCl is 0.05 M [Option 1]
4 0
3 years ago
Convert this temperature from F to C<br><br> 26.6°c<br> 93.600<br> 62.2°C<br> 5.7°C
eduard
The answer for this is 26.6°c
3 0
2 years ago
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