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Calculate the relative formula mass (Mr) of BaCO3

So relative formula mass (M_r) just means the total mass of all the atoms within our molecule. So lets work out how many of each atom we have: Ba - 1, C - 1, O - 3Now we know the relative atomi...

Answered by Max H. • Chemistry tutor

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What is entropy

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

Answered by Andrew G. • Chemistry tutor

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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

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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

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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

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