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The reaction for the Haber process is shown below. N2(g) + 3H2(g) ⇌ 2NH3(g) What will be the effect of increasing the pressure on the amount of ammonia present at equilibrium? [1 mark]

Increase. This question is looking at a reversible reaction - the reaction can occur both forwards and backwards. Firstly to answer this question you need to appreciate that in a closed reaction the equilibr...
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Answered by Rebecca V. • Chemistry tutor
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Given the points (6,6) and (10,8) calculate the gradient of the line passing through them and the point at which it intersects the y-axis?

To find the gradient use the formula:m = (y2-y1)/(x2-x1)Plug in values:m = (8-6)/(10-6) = 1/2Hence gradient = 1/2--Now using the equation for a line y = mx+c and point (10,8)8 = 1/2*10 + cc = 3Hence when the...
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Answered by Gilad A. • Maths tutor
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Describe and explain three adaptations of succulent plants that allow them to live in hot and dry conditions.

There are many to choose from here but we'll take the two most important. Many succulents such as cacti have needles instead of leaves. This reduces the amount of water lost via transpiration meaning that th...
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Answered by Henry P. • Maths tutor
6179 Views

What is the difference between 'verpassen' and 'vermissen'?

This can be a little confusing, as both verbs translate as 'to miss'. When wanting to say in German that you missed the bus, you might instinctively use 'vermissen ', as it sounds more similar to the English...
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Answered by Tatyana B. • German tutor
11605 Views

When do I use the perfect and imperfect tenses in German?

A common mistake amongst English natives when speaking German is the over-use of the imperfect tense (also called the preterite or the simple past tense). For example: "Ich aß einen Apfel", "I...
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Answered by Daniella S. • German tutor
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