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gavmur [86]
3 years ago
9

which graph shows the volume amount of gas relationship expected for an ideal gas, known as Avogadro's law

Chemistry
1 answer:
lisov135 [29]3 years ago
8 0
It’s because two is four and it was really kind of you and it’s c
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What is the formula of phosphorus pentabromide
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Answer:

PBr5 is the formula of phosphorus pentabromide.

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Calculate the pOH of a solution if the concentration of hydroxide ions (OH-) is 1.9 x 10-5M?
OLEGan [10]

Answer:

9.28

Explanation:

pOH refers to a measure of hydroxide ions concentration. pOH tells about the alkalinity of a solution. If pOH is less than 7 then aqueous solutions are alkaline, acidic if pOH is greater than 7 and neutral if pOH is equal to 7.

Concentration of the hydroxide ions = 1.9 x 10-5 M

pH = -log(1.9\times 10^{-5})=4.72

pOH = 14 - pH

=14 - 4.72 = 9.28

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3 years ago
I need help with question 4
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What evidence from the experiment shows that conduction occurred? In your answer, be sure to include the materials involved in t
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Explanation:

The melting of the chocolate pieces one by one showed that it was caused by heat flowing through the foil bridge. The transfer of heat happened between the foil bridge and the chocolate pieces because they were touching each other.

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3 years ago
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Please i need help really quickly on this. thank you​
prohojiy [21]

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