The Student Room Group

independent and dependent variables in acid metal reaction

hello.
could some1 please help me.
what is the dependent and independent variable in a metal acid reaction i.e when reacting hrdrochloric acid and magnesium ribbon. during this reaction the volume of hydrogen produced was bein recorded.thereffore what is tge variable.

also when investigation activation eneergy, what are d variables? temperature or what?
please help.
Reply 1
energy on the y axis
Time always on the x-axis

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Are you doing nuffield unit 5 at the moment?
Reply 2
yes in doin unit 5 now...currently on my coursework...u? which one are u doin?
pucca_8
energy on the y axis
Time always on the x-axis

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Are you doing nuffield unit 5 at the moment?
Reply 3
IN1, the kinetic

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how did you measure the activation energy