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Explain the change of quark character associated with the beta-plus decay and deduce the equation.

First, we can deduce the equation for beta-plus decay in terms of the nucleons. We know a positron, ß + (antilepton), is produced, so to conserve lepton number an electron neutrino, v e (lepton), must also b...
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Answered by Thomas F. • Physics tutor
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y=x^2, find dy/dx

y=x^2 if y = a*x^b then dy/dx = ba*x^(b-1) therefore dy/dx = 2*x
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Answered by Matthew W. • Maths tutor
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Describe and explain the trend in first ionisation energy down group 2 of the periodic table.

Firstly, we must consider the definition of first ionisation energy (1 st IE). Thermodynamically, it is the enthalpy change when one mole of electrons is removed from a mole of gaseous atoms of a particular ...
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Answered by Thomas F. • Chemistry tutor
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What does mens rea mean?

Mens rea is the latin phrase for "guilty mind", which when applied to law scenarios is most simply explained as the defendant (the person committing the crime) intended or planned to commit the cri...
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Answered by Abi L. • Law tutor
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How does Auden tell the story in James Honeyman?

James Honeyman is a Ballad that follows the life of an isolated and ostracized protagonist - illustrating his profound scientific discorveries and the effect they have on his family. The story follows Honeym...
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