Top answers

Chemistry
All levels

Outline the limestone cycle including the relevant equations.

Calcium carbonate undergoes thermal decomposition to form calcium oxide and carbon dioxide.

Calcium Oxide (CaO) can undergo an exothermique réaction with water to product Calcium Hydroxide, also kn...

Answered by Philippa M. Chemistry tutor
6258 Views

Explain the collision theory.

Collision theory states that for a reaction to occur, particles must collide with sufficient energy, sometimes in specific orientation. The minimum amount of energy needed for a reaction to occur is calle...

Answered by Young C. Chemistry tutor
6729 Views

Describe the conditions used in the Haber Process and explain briefly why they are used.

The forwards direction of the Haber Process is exothermic, thus in accordance with La Chatelier's Principle a lower temperature will lead to an increased yield of ammonia. However a low temperature will l...

Answered by Ella M. Chemistry tutor
18217 Views

Why is methylamine a stronger base than aminobenzene?

In methylamine, the lone pair of electrons on the nitrogen atom is more available because of the postive inductive effect of the methyl group, where as in aminobenzene it is less available due to the delo...

Answered by Young C. Chemistry tutor
4325 Views

Explain why the element nickel has a high melting point

Nickel is a metal and therefore it contains positive ions, called protons, which are surrounded by a sea of delocalised electrons, which are negative ions. There is a strong force of attraction between th...

Answered by James D. Chemistry tutor
19812 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences