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Sveta_85 [38]
3 years ago
9

Describe one everyday situation in which it would be useful to identify an unknown substance

Chemistry
1 answer:
natta225 [31]3 years ago
5 0
Say that you stomach is not agreeing with fizzy drinks so you have to identify whether if there is carbon dioxide in it or not, but is it is you would not want to share it find another way ;)
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NOOOO LINNKKKSSS RIGHT ANSWERS ONLY!!!!!!
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I belive its D if not right sorry.
3 0
3 years ago
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How many digits to the right of the decimal point should be used to report the result?
aalyn [17]

Answer:

In engineering and science the common stand is two places.

For example if you get a calculation of 4.567 round up and give the result of 4.57

4 0
3 years ago
There are some exceptions to the trends of first and successive ionization energies. For each of the following pairs, explain wh
NNADVOKAT [17]

Answer:

(b) IE₂ of Ga >  IE₂ of Ge

Explanation:

Electronic configuration of Ga is [Ar] 3d¹⁰4s²4p¹

Electronic configuration of Ge is [Ar] 3d¹⁰4s²4p²

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2 nd ionisation requires higher amount of ionisation energy. In case of Ge , there are 2 electrons in outermost orbital so it becomes stable after ionisation of 2 electrons.

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max2010maxim [7]
It’s probably D or c
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2 years ago
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Find the [h3o ] in a sauvignon blanc with a ph of 3.24.
KengaRu [80]
Hello!

The H₃O⁺ concentration can be found using the definition of pH and clearing the equation for [H₃O⁺]. The solution has a pH lower than 7, so the Sauvignon Blanc is acid. The calculation for [H₃O⁺] is shown below:

pH=-log [H_3O^{+}]

[H_3O^{+}]= 10^{-pH}=10^{-3,24}=0,00058M

So, the concentration of H₃O⁺ in a Sauvignon Blanc with a pH of 3,24 is 0,00058 M

Have a nice day!
7 0
2 years ago
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