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What is a da capo aria?

The da capo aria is a vocal form used primarily in the Baroque Era. It is in ternary form (ABA’). The A section is in the tonic key, and the B section is often in a minor key with the mood frequently being m...
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What is 'intention' in the criminal law?

Where a criminal offence requires the defendant to have an intention to achieve a result, there are 2 different tests of intention:(1) Direct Intention, or(2) Oblique Intention Direct Intention This is the o...
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Answered by William A. Law tutor
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How do I know how many solutions a quadratic equation has?

A quadratic equation is an equation that looks like: x 2 + 4x - 2 = 0. The general form of this is written as ax 2 + bx + c = 0, where a, b and c are all numbers, and x is our unknown variable. In the exampl...
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Answered by Nathan C. Maths tutor
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Why does the First Ionisation Energy decrease down a group in the Periodic Table?

Two major factors control how tightly held the outermost electron is and therefore how much energy is required to remove it, which gives us the size of the Ionisation energy. The first of these factors is sh...
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Answered by Daniel K. Chemistry tutor
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What is meant by the 'First Ionisation Energy' of an element?

The ionisation energy of an element is the energy required to remove the one of the outermost electrons from an atom of the element in its gaseous state. This is quite a difficult process to measure the ener...
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Answered by Daniel K. Chemistry tutor
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