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Describe the changes in equilibrium of ethanol production from ethene and water (enthalpy of reaction is ∆H = - 46 kJ/mol) when: (a) a high pressure is applied; (b) ethanol concentration is increased; (c) temperature is increased; (d) a catalyst is used.

The equation for the reaction (would be given for this type of question but I ran out of space): C2H4 (g) + H2O (g) ⇌ C2H5OH (g) ∆H = - 46 kJ/molQues...

AA
Answered by Aiste A. Chemistry tutor
7644 Views

Using principles of structure and bonding, explain why sulfur has a higher melting point than phosphorus

Sulfur, which is naturally S8 has more electrons than Phosphorus, which is naturally P4. Therefore the Van der Waals between molecules is stronger in Sulfur than it is in Phosphorus,...

DS
Answered by Dalvin S. Chemistry tutor
27916 Views

There are 895 litres of petrol in Mr Turners petrol tank, he uses 19.7 litres of petrol a day. Estimate the number of days it will take him to use all the petrol in the tank.

895 is approximately 90019.7 is approximately 20 900/20 = 45 it will take approximately 45 days to use all the oil in the tank

HT
Answered by Henry T. Maths tutor
2821 Views

Can you prepare for an unseen poem?

Students are often particularly concerned by unseen poems and the reason is obvious; you've spent months annotating your anthology booklets, drawing together comparisons and remembering a whole range of t...

OB
4038 Views

Solve the following equation: 7x + 6 = -5x - 42

First, we gather like terms: 7x + 5x = -42 - 6 This gives: 12x = -48Now we can divide both sides by 12 to solve for x: 12x/12 = -48/12This gives: x = -4

KY
Answered by Kyle Y. Maths tutor
3963 Views

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