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lawyer [7]
3 years ago
12

Can the components of the iron sulfide compound be separated by physical means (ex. filtration or boiling)? if not, how could th

ey potentially be separated?
Chemistry
1 answer:
Simora [160]3 years ago
3 0
No use a magnet to pick up the iron
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A sample of nitrogen gas collected at a pressure of 1.03 atm and a temperature of 279 K is found to occupy a volume of 568 milli
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Answer: 0.025 moles of nitrogen gas are there in the sample.

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 1.03 atm

V = Volume of gas = 568 ml = 0.568 L   (1L=1000ml)

n = number of moles  = ?

R = gas constant =0.0821Latm/Kmol

T =temperature =279K

n=\frac{PV}{RT}

n=\frac{1.03atm\times 0.568L}{0.0821L atm/K mol\times 279K}=0.025moles

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