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What types of radiation are there?

When the nucleus of an atom is unstable, it occasionally emits either waves or particles to stabilise itself. The three types of radiation are: Alpha particles, Beta particles and Gamma waves. Alpha particle...
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Answered by Daniel W. • Physics tutor
2763 Views

What are the differences between the four types of cadence?

A perfect cadence is chords V-I. When there is a perfect cadence the music sounds finished. An imperfect cadence is any chord moving to V (e.g. I-V, II-V, IV-V). The music does not sound finished. An interru...
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Answered by Sophie H. • Music tutor
16123 Views

When and how do I use the subjunctive?

The subjunctive is a tense that is used when there is an element of doubt or uncertainty. Before looking at when the subjunctive tense is used, it would be useful to look at how verbs are conjugated in the s...
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Answered by Emily B. • French tutor
2562 Views

In order to find the [H+] ion content of H2SO4 (Sulphuric Acid), why must you divide by two after using the formula for pH calculation?

This is because H2S04 is a diprotic acid. If we look at how the acid dissiociates, we can see that: H 2 SO 4 ----------> 2H + +SO 4 2- Since there are two H + ions dissociating, using the formula for pH w...
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Answered by Jamil J. • Chemistry tutor
15811 Views

What is the best method for poetry analysis and revision?

Analysing a poem is most importantly demonstrating how certain features and techniques serve to emphasise a poem's subject and themes. Make sure this is at the back of your mind throughout your analysis and ...
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Answered by Iona M. • English tutor
5293 Views