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Chlorine, 15 g, is contained in a vessel with a volume of 0.80 dm3 at 330 K. Calculate the pressure exerted when the chlorine is treated as a perfect (ideal) gas giving your answer in terms of kPa

PV=nRT V=0.8 dm3=0.8 x 10-3 m3P= nRT/V R= 8.31 J K-1mol-1 T= 330 K n= mass/mr n = 15 g/ (2x35.5 g mol-1) n = 0.212 mol P = (0.212 mol x 8....

HG
Answered by Harry G. Chemistry tutor
2662 Views

How can natural selection and isolation lead to speciation?

What is speciation?When a new and distinct species evolves from an ancestor speciesReproductively isolated from the ancestor/other species2. How does natural selection work?a. Population of individuals, w...

LP
Answered by Laura P. Biology tutor
4319 Views

why is (x+y)^2 ≠ x^2 + y^2

Because if we simply expand (x+y)2 we'd get x2+y2+2xy which shows that there's an extra term which is 2xy. another practical way to check your work and see why LHS ≠ RHS i...

JH
Answered by Jamal H. Maths tutor
2796 Views

what should I include in my personal statement

You should include about why you want to do the course you are interested in, for me it was medicine. For a medicine personal statement for example, the university is looking for people who are deeply pas...

RS
2019 Views

How do I write an HL paper 3?

Use the first 5 minutes wisely. You're not allowed to write anything down yet, so read through the questions.Read the questions carefully - you have five full minutes. Make sure you read ...

EW
Answered by Emily W. History tutor
3482 Views

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