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As part of the acids and alkalis test we have to write out fomulae. I am not very good at remembering how to do them - could you help me find a easier way of remembering?
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Are there any signs which tell you which formula to use?
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I don't understand valance numbers, and what do things like iron(II) mean?
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I understand why we balance formulae equations but I can't remember how to do examples such as
C + Br2 -----> CBr4. Can you please show me how we do this?
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I am having problems remembering the formulae for working out formula and a.m.u is there an easy way to remember these - HELP!!!!!
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How do you balance an equation?
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How do I work out formulae for ionic compounds etc?
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How do you write an equation without spectator ions? Why are they missed out?
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How do you tackle calculation questions such as these:
What mass of magnesium will produce 0.1g of Hydrogen?
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What does the symbol (aq) in an equation mean?
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How do you use ionic formula and in what context will it appear?
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I don't understand the formulae for Chemistry. Can you help me understand
them more easily?
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In a chemical
change the mass changes and a new product is made and it is not
reversible but how come in a chemical reaction the mass stays the
same and the total mass of reactants = the total mass of products?
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Could you please explain what GFM is when balancing equations. I
understand its getting the RAM from the formula but which ones do
you take it from?
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Please could you explain what nitrides are and give examples of
an ionic nitride and its formula?
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Is it possible to know the valency of a transition metal without
being told?
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I'm not sure how to do equations
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What are the ion-electron equations for chlorine and copper?
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What does Hydrochloric acid + Zinc Produce and what are their formulas
as I need to balance them?
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What is the empericol formula?
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I am stuck on how to balance equations and I don't understand
how it works. Please could you write back and explain in greater
detail how to balance equations?
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Spectator ions - When writing state equations and omitting spectator ions, why
do you show separate ions in a solid compound but not in a gaseous compound?
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How would I be able to solve these two balancing equations?
Zn+ AgNO3---> Zn(NO3)2 +Ag
CuSO4 +NaOH---->Cu(OH)2 +Na2SO4?
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How do you find the chemical formula for ionic compounds with three
elements for example copper sulphate?
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I don't understand chemical equations and what I was looking for
wasn't on the Bitesize webpage can you help?
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What is the chemical equation for the burning of hydrogen?
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How do you balance equations e.g. Ca + H2O = Ca(OH)2 + H2
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I've been given many different formula can you tell me a easy way
of revising and learning it?
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I understand balancing equations pretty well but sometimes my anwser
comes up with eg 6 1/2 carbon molecules. Is this ok or have I
done something wrong?
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I have many difficulties when it comes to doing ionic equations.
Have you got any tips for me that will help me to understand these
hard equations?
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We have recently been studying Chemical Equations, but I can't remember
why you put 'ide' and 'ate' on the end of words in equations. Please
help!
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