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write a balanced equation of the reaction between sodium and oxygen

2Na + O > Na₂O

3292 Views

Explain how a compound such as Magnesium Oxide has a high melting point and conducts electricity when molten

A substantial amount of energy is required to break the strong ionic bonds between the ions Mg^2+ and O^2-. While in a solid state the molecular structure is rigid and does not have any free or mobile ele...

Answered by Jack J. • Chemistry tutor

9400 Views

Predict the number of peaks in a carbon-13 NMR spectrum of the following carbonyl isomers of C5H8O. (i) CH3CH2CH2CH2CHO (ii) (CH3)3CCHO (iii) CH3COCH(CH3)2

(i) 5 peaks (ii) 3 peaks(iii) 4 peaks

Answered by Elizabeth D. • Chemistry tutor

3522 Views

Describe how a buffer solution based on hydrochloric acid can act as a buffer. (5)

HCl ⇌ H++ Cl- (1)Added alkali: H⁺ reacts with added alkali/OH^-(1) Equilibrium shifts right forming Cl^- or H⁺(1) Added acid: Cl<...

Answered by Daisy R. • Chemistry tutor

1758 Views

Explain what the rate-determining step in a reaction is with reference to activation energy.

The rate determining step is the slowest step in a multi-step reaction, and it is the step in the reaction with the highest activation energy. It is the step in the reaction which decides the overall rate...

Answered by Sammy A. • Chemistry tutor

2345 Views