Search our library of Chemistry questions

Top answers

Chemistry

All levels

What is entropy

Energy that cannot do work, often compared to the disorder of a system. Total entropy can never decrease.

2459 Views

i) Write down the Equation for the Haber-Bosch process. Stating clearly the catalyst used. ii) Explain why high pressures are used for this reaction in industry iii) Explain the importance of the catalyst

i) N₂ (g) + 2H₂ (g) = 2NH_3ii) Le Chatelier’s Principle : If a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium m...

Answered by Ziona J. • Chemistry tutor

3209 Views

Cracking of the unbranched compound E, C6H14, produced the saturated compound F and an unsaturated compound G (Mr = 42). Identify these compounds and write an equation for the reaction.

Compound E is an unbranched alkane. The general formula of an alkane is C_nH_2n+2.Compound E is CH₃CH₂CH₂CH₂CH₂CH₃.Com...

Answered by Sophie K. • Chemistry tutor

5493 Views

What is the purpose of a catalytic converter, and what is the reaction equation of a process that it catalyses?

Catalytic converters are used in motor vehicles.They catalyse the conversion of potentially harmful gases produced in the combustion of motor fuel, into less harmful gases.The reactants for such a convers...

Answered by Annie B. • Chemistry tutor

4317 Views

Zinc reacts with dilute Hydrochloric acid, what is the chemical equation for this reaction? what would you see? How could you speed up this reaction?

Zn_(s) + 2HCl_(aq) => ZnCl_2(aq)+ H_2(g)Evervessence, Zinc becomes smaller and then disappearsCut zinc in to smaller pieces to increase the surface area

Answered by Juliette P. • Chemistry tutor

6985 Views