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Explain what is meant by Enthalpy

In nature, when 2 elements react, energy is taken in to break bonds and energy is given out to form new bonds. The net change in heat energy during a reaction at constant pressure is called the enthalpy chan...
AP
Answered by Avishek P. • Chemistry tutor
2512 Views

Explore the theme of childhood in 'The Retreat' by Henry Vaughan

The Retreat focuses largely on the glorification of childhood as a time of being innocent and close to God, prior to the ‘sinful’ (line 16) pollution of the human soul on Earth. The poem’s opening couplet, ‘...
RR
9957 Views

How does increasing temperature affect the rate of a reaction in the presence of an enzyme.

Initially increasing temperature will increase the rate of reaction. This is because the substrate molecules have greater kinetic energy so there are more frequent collisions with the enzyme/other molecules....
CR
Answered by Cameron R. • Biology tutor
2930 Views

Choisissez une scène de l’œuvre que vous avez étudiée qui vous semble bien illustrer un thème de l’œuvre. Décrivez-la et dites pourquoi elle est importante de ce point de vue.

L'oeuvre: La HaineIntroduction: the theme of violence is very present throughout the whole film. Not only is this because of the physical violence which was prevalent during the time in which it was set (the...
LL
Answered by Lucy L. • French tutor
2675 Views

What is the subjunctive tense?

The subjunctive isn't commonplace in the English language, but is used often in French, so can be a tricky concept to grasp. The most important thing to understand about the subjunctive is that it isn't a te...
BR
Answered by Bridger R. • French tutor
2191 Views