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If I have a reocurring decimal I use a special trick to work it out as a fraction. The trick is to try and cancel out the reocurring bit by multiplying by 10 several times and then using subtractio...
As graphs get more complicated I like to follow a few steps to make sure my graph looks as accurate as possible.Are there x values that make the equation (y value) get Big? ...
When a reaction is in equilibrium, it means the rate of the forward reaction is equal to the rate of the backwards reaction. The concentrations of the reactants and products remain constant, but this does...
Metal + Acid --> Metal salt + H2 (g)E.g. Cu + HCl --> CuCl2 + H2
Answer= 0.144gWorking out:mol= conc x volume (in dm^3)mass = mol x RFFSo,mol = 0.18 x (20/1000) = 0.0036molMass= 0.036 x 40 = 0.144g
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