Top answers

Integrate y=(x^2)cos(x) with respect to x.

This problem must be solved using integration by parts, since y is equal to the product of two functions of x. Let u=x^2, therefore u'=2x (u'=du/dx). Let v'=cos(x), therefore v=sin(x) (v'=dv/dx).Using the in...
AH
Answered by Antony H. • Maths tutor
4261 Views

The enthalpy change for the forward reaction is -92kJ/mol. State and explain how the value of Kp would change if the temperature was increased.

The value of Kp would decrease.Using Le Chatelier's principle the position of equilibrium would shift so as to oppose the change.The endothermic (backward) reaction would therefore be favoured in order to re...
FM
Answered by Fin M. • Chemistry tutor
4966 Views

Give and explain 2 of the anomalous properties of ice caused by hydrogen bonding

Compared to water ice is less dense this is due to hydrogen bonds in the open lattice holding the H 2 O molecules apart whereas in liquid form the hydrogen bonds break allowing the molecules of water to be c...
MT
Answered by Morgan T. • Chemistry tutor
25618 Views

‘The city cannot be reduced to a comprehensive and comprehensible vision’.

Bleeding London (1997) , Trivia (1716) and Journal of the Plague Year (1722) all convey attempts to objectively and comprehensibly define London. Through Stuart London, the reader is presented with a subject...
Answered by • English tutor
1985 Views

Do you say "von meinem kleinen Bruder" or "von meinem kleinem Bruder"

If you've got a sentences that has got a dative in it, you decline the possessive determiner using the dative form and the adjective using the accusative.
ES
Answered by Emily S. • German tutor
2161 Views