All the maths equations!
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How would you calculate % error? Extra: think about what you would do if finding it for a value like temperature change
How would you calculate a mean titre from your results table? Extra: think about what classes as concordant
How would you calculate relative atomic mass? Extra: think about when you can or can’t use the value 100
How would you calculate the PNE for atoms? Extra: think about how this would differ for isotopes or ions
How would you calculate the number of particles from moles? Extra: if you had methane molecules, how would find the number of atoms?
How would you calculate moles from mass? Extra: what units would you use? How would you rearrange this equation?
How would you calculate moles from volume of a gas at RTP? Extra: what units would you use? How would you rearrange this equation?
How would you calculate moles from a gas NOT at RTP if told temp and pressure? Extra: what units would you use? How would you rearrange this equation?
How would you calculate moles from volume of a solution? Extra: what units would you use? How would you rearrange this equation?
How would you calculate empirical formula from % compositions? Extra: how would you convert this to Molecular formula?
Compare it to Mr to convert to molecular formula!
How would you calculate x in a water of crystallisation Q? Extra: Can you think of both methods to use here?
How would you calculate % yield? Extra: think about how you could rearrange this for backwards % yield calcs
How would you calculate atom economy? Extra: think about how atom economy could be improved
What are the 4 steps you should use when calculating moles linked to a reaction? Often used in titrations and reacting masses!
How would you calculate enthalpy from practical data? Extra: how would you know what sign to put on your answer?
How would you calculate enthalpy change from bond enthalpy data? Extra: is bond breaking endo or exothermic? What about bond forming?
How would you calculate enthalpy change from a cycle? Extra: What is Hess’ law?
Hess’ law states that the enthalpy change is only dependent on the initial and final states, and is independent of the route taken
How would you calculate enthalpy change from formation data? Extra: What would the cycle look like? Whats the shortcut?
How would you calculate enthalpy change from combustion data? Extra: What would the cycle look like? Whats the shortcut?
How would you calculate rate of reaction from a conc-time graph?
How would you calculate Equilibrium constant Kc? Extra: How might Kc expression differ if homogeneous or heterogeneous?
How would you calculate the rate constant (k) from a rate equation? Extra: Can you remember how to determine orders from practical data?
How would you calculate rate constant (k) from half life for order 1 reactions? Extra: what would the concentration-time graphs look like for each order?
How would you calculate the rate constant (k) from a rate concentration graph for order 1 reactions? Extra: what would the rate-conc graphs look like for each order?
