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Phosphorus is burned in air at 500 ºC to produce gaseous phosphorus(V) oxide. 220 g of phosphorus was reacted with an excess of air. Calculate the volume, in m3, of gaseous phosphorus(V) oxide produced

Additional information given: P 4 (s) + 5O 2 (g) = P 4 O 10 (g) Pressure = 101kPa Temp = 500 o C gas constant R = 8.31JK -1 mol -1 Question to student: What are the first observations from the equation? Equa...
NB
Answered by Natalie B. • Chemistry tutor
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What kind of disorder is a phobia?

It is an anxiety disorder which is a continuous feeling of fear and anxiety which is disabling and can impose on daily functioning. They can be triggered by something that may seem trivial to others (possibl...
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Answered by Lauren B. • Psychology tutor
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What is the sum of the geometric series 1 + 1/3 + 1/9 + 1/27 ...

The geometric series takes the form of ax^n where n is a number from 0 to infinity with 0 being the first number in the series. The sum of this series is S = a + ax + ax^2 + ... If we break this series when ...
RT
Answered by Ryan T. • Maths tutor
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To what extent does Othello conform to the classical idea of tragedy?

Othello is probably the closest Shakespeare came to writing a tragedy which conforms to the Aristotelian interpretation of the form. Multiple tropes of classical tragedy may be found in the play. For instanc...
JT
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What is the difference between core and comparative texts?

Both core and comparative texts may be used throughout your course of study. Though it may seem that the differences are few and possibly inconsequential they are there for a reason. Core texts are specified...
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Answered by Olivia N. • English tutor
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