Top answers

What is the electronic configuration of a Calcium ion?

1s2,2s2,2p6,3s2,3p6
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Answered by Zainab O. • Chemistry tutor
6749 Views

How do you know when to use the imperfect tense?

The imperfect tense is used to described incomplete, continuous actions in the past. Examples of this would be "I was studying", or "I used to play football", because they do not refer to...
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Answered by Ananya S. • French tutor
2821 Views

Can you please explain the effect of increasing temperature on the rate of reaction

For a given reaction, it is often seen that the rate of reaction doubles following a 10oC increase in temperature. But why is this? (note: Here I would plot a graph of Rate vs Temperature, to show the non-li...
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Answered by Tom M. • Chemistry tutor
3905 Views

How do I analyse the structure of poetry?

The structure of poetry and the different structural features reveal a great deal about the narrative voice and the overall themes of the specific poem. Here are some of the structural features that can be c...
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30912 Views

How do I form the imperfect subjunctive/conditional sentences?

Follow the following structure: Si + imperfect subjunctive +conditional phrase: This structure explains an action that could happen if the circumstances of something were a certain way: e.g. If I could, I wo...
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Answered by Nikol N. • Spanish tutor
6235 Views