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Lunna [17]
3 years ago
5

Help me pleaseee, if you do tyy :)

Chemistry
1 answer:
ruslelena [56]3 years ago
4 0
There is one atom of sulfur :)
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How often must opened containers of peroxide-formers be tested for peroxide formation?.
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After every 6 months opened containers of peroxide formers will be tested.

Explanation:

Opened containers from which peroxide formation take place will be tested after every 6 months for safe storage. And for unopened container the test will be conducted for peroxide formation is after 12 months from manufacturing expiry date or from receiving date.

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Which metal is more reactive calcium or cobalt
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Calcium would be more reactive because it is closer to francium on the periodic table, francium is the MOST reactive element.  
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LIST and DESCRIBE properties of synthetic materials that make them useful in our current world?
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3 years ago
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An ideal gas in a closed container initially has a volume V and Temperature T the final tempera is 5/4T and the final pressure i
Anettt [7]

Answer:

V_2 = \frac{5V}{8}

Explanation:

I am assuming you are saying what is the final volume of the gas

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Initial volume (V1) = V

Initial temperature (T1) = T

Final temperature (T2) = 5/4 T

Initial pressure (P1) = P

Final pressure (P2) = 2P

<u>Wanted: Final volume (V2)</u>

<u />

<u />\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\\\frac{PV}{T} = \frac{(2P)V_2}{(5/4)T}\\\frac{V}{1} = \frac{(2)V_2}{5/4}\\5/4V = 2V_2\\\\V_2 = \frac{5V}{8}

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2 years ago
As human populations grow, it becomes more important to use renewable sources of energy. Which of the following objects uses ene
AleksandrR [38]
B

explanation:
it’s common sense
4 0
3 years ago
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