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How can amino acids act as both acids and bases?

Amino acids are amphoteric, meaning they have both acidic and basic properties. An animo acid has at least one primary amine group, NH2, and at least one carboxyl group, COOH. In an acidic environment where ...
ZN
Answered by Zara N. • Chemistry tutor
24214 Views

Complete the indefinite integral : ∫x lnx dx

Use the formula: ∫uv' dx = uv - ∫u'v dx (use I = the integral we're looking for)Note we cant integrate ln x easily but we can differentiate into 1/x so we use:u = ln x and v' = x we have u' = 1/x and v = x 2...
KD
Answered by Katy D. • Maths tutor
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Solve the simultaneous equations: y - 3x + 2 = 0 y^2 - x - 6x^2 = 0

y = 3x -2(3x-2) 2 - x - 6x 2 = 0 9x 2 - 12x + 4 - x - 6x 2 = 03x 2 - 13x + 4 = 0(3x - 1)(x-4) = 0 x = 1/3 or x = 4then y = -1 when x = 1/3 and y = 10 for x = 4
KD
Answered by Katy D. • Maths tutor
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Distinguish, using examples, between economic regionalism and political regionalism?

Despite economics and politics often complimenting one another, when one refers to economic and political regionalism one must appreciate that these are two contrasting concepts. Economic regionalism is esse...
AW
8289 Views

Given y =( 2x+1 )^0.5 and limits x = 0 , x = 1.5 , find the exact volume of the solid generated when a full rotation about the x-axis .

Using V = pi* integral of y 2 between b and a with respect to x , where V is the volume of generated solid.y 2 = 2x + 1 Integrating between given limits yields a result of 3.75Multiplying through by pi leave...
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Answered by Dominik S. • Maths tutor
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