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CO(g) + 2H2(g) ⇌ CH3OH(g). A pressure of 100 atmospheres is used instead of atmospheric pressure. The higher pressure gives a greater yield of methanol and an increased rate of reaction. Explain why.

4 marksExplanation: Increasing the pressure (gases) of reactions increases the frequency of collisions, therefore increasing the rate of reaction .If the pressure is increased in a reaction involving gases, ...
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Answered by George O. • Chemistry tutor
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l1 and l2 are tangents of a circle. l1 intersects the circle at (3-√3,5) with a gradient of √3, and l2 intersects the circle at (3+√2,4+√2) with a gradient of -1. Find the centre of the circle, and hence find the radius of the circle.

To first find the centre of the circle, the key fact to remember is that the radius of a circle is normal (perpendicular) to any tangent. This means if you take the normals to both of these tangents at their...
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“La tolerancia entre diferentes creencias es esencial”. ¿Qué opinas tú?

La tolerancia es un valor moral esencial para funcionar convenientemente en sociedad. Aunque las costumbres y hábitos de otras personas nos parezcan incomprensibles e inútiles es necesario respetarlos. Así v...
Answered by • Spanish tutor
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What are the six modal verbs in German?

The six modal verbs are müssen (to have to), können (to be able to), wollen (to want (to)), sollen (to be supposed to), dürfen (to be allowed to), and mögen (to like).They behave differently to other verbs i...
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Answered by Holly R. • German tutor
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How does an atheroma increase the risk of death?

An atheroma is defined as fatty material in the wall of an artery. This increases the risk of a blood clot forming in the artery. If a blood clot forms in a coronary artery, which supplies the heart muscle, ...
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Answered by Melissa T. • Biology tutor
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