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What are the different kinds of nuclear radiation?

There are three kinds of nuclear radiation that you need to know for GCSE physics, and each is considerably different from the others. Firstly, alpha radiation: this is when a chunk of the nucleus is emitted...
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Answered by Matthew M. • Physics tutor
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How do I get the eigenvalues, x, of a matrix, M, with eigenvectors, v?

To start off, let's write the equation involving these three objects: Mv = xv. Now, looking at the first form of the equation, we don't want any eigenvector to have all its entries be zero, or else the eigen...
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Answered by Matthew M. • Maths tutor
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How many nucleotides code for an amino acid in protein synthesis?

THREE
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Answered by Akaash B. • Biology tutor
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Solve these simultaneous equations.....3a+2b = 17 and 8a-2b= 60

3a+2b = 178a-2b = 60We are going to solve this using the elimination method. This means that we are going to eliminate the variable (or letter) that has the same value in each equation. In this case it is th...
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Answered by Joel O. • Maths tutor
6264 Views

How many moles are there in 88g of carbon dioxide?

To work this out we need the equation: Number of moles = Mass (in grams) / Mr (relative formula mass) We know the mass of carbon dioxide already (88g). We need to work out the Mr of carbon dioxide. The Mr ca...
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Answered by Archie A. • Chemistry tutor
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