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Calculate the amount of sodium chloride, NaCl, in 55.0cm3 solution with a concentration og 0.5mol/dm3

The amount in moles of a solute in a solution in a given volume of solution can be calculated if the concentration of the solution is also known. The equation for concentration is: Concentration in mol/dm 3 ...
OM
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What is the significance of Alfieri's character in Arthur Miller's "A View From The Bridge"?

"A View from the Bridge" is a tragic tale of an immigrant longshoreman who, through his obsessive love for his wife’s niece, destroys the very fabric of his world and in so doing, destroys his life...
EL
Answered by Emily L. • English tutor
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Given y=x^2(1+4x)^0.5, show that dy/dx=2x(5x+1)/((1+4x)^0.5)

You have to differentiate the equation y=x^2(1+4x)^0.5 with respect to x to get dy/dx and thereby prove the result in the question. An equation composed of the product of two x terms can be differentiated wi...
AG
Answered by Alistair G. • Maths tutor
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A Uranium-(238,92) nucleus decays into a Thorium-234 nucleus by the emission of an alpha-particle. Given Thorium has a chemical symbol Th build a nuclear equation.

A nuclear equation expresses all of the elements before (LHS of = sign) and after (RHS of = sign) the reaction in terms of nucleon (N) and proton number (A), both quantities are conserved during the reaction...
AG
Answered by Alistair G. • Physics tutor
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How are women presented in the 19th century novel?

E.g from Jane Eyre.... Charlotte Bronte depicts women as complicated and at times unconventional characters who both conform to, and subvert Victorian patriarchal norms. The norms to which I reference includ...
PL
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