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Use the kinetic theory of gases to explain why the pressure inside a container increases when the temperature of the air inside it rises. Assume that the volume of the container remains constant.

The kinetic theory of gases states that a gas consists of many molecules in constant motion. A rise in temperature increases the mean speed of these molecules, and therefore their momentum (=mv). The increas...
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Answered by Epen T. • Physics tutor
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What is an enzyme?

An enzyme is a biological catalyst. It is a protein with an active site that binds to a substrate to accelerate a chemical reaction.
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Answered by Epen T. • Biology tutor
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Sollte es in den Schulen ein Handyverbot geben?

Auf einer Seite sind Handys ein nutzliches Werkzeug, weil sie als Wörterbuch oder Taschenrechner benutzt werden können, um Schülern zu helfen, weiter zu lernen, Es würde auch bedeuten, dass die Schulen sovie...
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Answered by Bernadette R. • German tutor
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What is the equation of a curve with gradient 4x^3 -7x + 3/2 which passes through the point (2,9)?

The important thing to note is that examiners always give the minimum amount of information for the question to still be answerable. If you have not used all the information then you probably haven't answere...
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Answered by Ruth N. • Maths tutor
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Que peut-on faire pour améliorer l'environnement en Angleterre?

Selon moi, le gouvernement pourrait faire plus pour aider l'environnement en Angleterre et il aurait l'effet le plus grand pour l'aider. Il pourrait rendre obligatoire de recycler par exemple, parce que beau...
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Answered by Bernadette R. • French tutor
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