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Chemistry
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A student places equal masses of limestone rocks into two beakers. However, the student crushes the ones in one of the beakers to make a fine powder. Then, he adds hydrochloric acid to both of them. Which takes longer? Would one of them produce more CO2?

First of all let's think of which one would take longer. The one that would take longer would be the slower of the two reactions, and therefore would have a lower rate of reactio...

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Answered by Yago M. Chemistry tutor
2037 Views

What is the difference between ionic and metallic bonding?

Ionic bonds occur between a metal and non-metal. In this type of bonding, the electrons in the outer shell are transferred from the metal to the non-metal. This is to allow the atoms to achieve a full out...

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Answered by Sareena H. Chemistry tutor
2439 Views

What is a dynamic equilibrium?

In a dynamic equilibrium, both the forward reactions and backward reactions are still happening, but at the same rate. This means that the concentrations of the starting reactants and the products remain ...

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Answered by Ellie B. Chemistry tutor
2757 Views

Why is benzene more stable than expected?

Benzene is stable due to its delocalised ring of electrons - which forms as a result of the carbon-carbon bonds being neither single nor double bonds, instead an intermediate length with electrons in the ...

Answered by Chemistry tutor
11997 Views

Explain why transition metals form coloured compounds when bonded to a ligand.

The transition metals have five distinct orbitals in their third energy level. When bonded to a ligand these orbitals are separated into two groups located at two slightly different energy levels. The dif...

Answered by Chemistry tutor
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