You can detect a chemical reaction if you see that the color has change,see gas has formed,and a <span>precipitate has formed.</span>
10. 445°C
11. 357°C
12. Condensation
13.Solid
14. -39°C and over 357°C
15. 808°C
16. Melting
17. Liquid.
Answer: hydrogen has 0.0504% and Fluorine has 0.950%
Explanation: H= 1.00794
F= 18.9984
1 X 1.00794+ 1 X 18.9984= 20.00778g/mol
H= 1.00794/20.00778= 0.0504%
F-18.9984/20.00778= 0.950%
Answer:
Each shirt costs 23.33. Meaning that it should be rounded to $20 each
Explanation:
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