Chemistry
The curve below shows how the volume of oxygen evolved varies
with time when 50 cm3 of a 2.0 mol dm–3 solution of hydrogen
peroxide, H2O2, decomposes at 298 K.
Sketch curves, on the above axes, to illustrate how the volume
of oxygen evolved would change with time if the experiment
was repeated at 298 K using the following.
(i) 100 cm3 of a 1.0 mol dm–3 solution of H2O2. Label this
curve X.
ii) 25 cm3 of a 2.0 mol dm–3 solution of H2O2 in the
presence of a catalyst.
Label*this*curve*Y.
with time when 50 cm3 of a 2.0 mol dm–3 solution of hydrogen
peroxide, H2O2, decomposes at 298 K.
Sketch curves, on the above axes, to illustrate how the volume
of oxygen evolved would change with time if the experiment
was repeated at 298 K using the following.
(i) 100 cm3 of a 1.0 mol dm–3 solution of H2O2. Label this
curve X.
ii) 25 cm3 of a 2.0 mol dm–3 solution of H2O2 in the
presence of a catalyst.
Label*this*curve*Y.
Original post by Aytac
The curve below shows how the volume of oxygen evolved varies
with time when 50 cm3 of a 2.0 mol dm–3 solution of hydrogen
peroxide, H2O2, decomposes at 298 K.
Sketch curves, on the above axes, to illustrate how the volume
of oxygen evolved would change with time if the experiment
was repeated at 298 K using the following.
(i) 100 cm3 of a 1.0 mol dm–3 solution of H2O2. Label this
curve X.
ii) 25 cm3 of a 2.0 mol dm–3 solution of H2O2 in the
presence of a catalyst.
Label*this*curve*Y.
with time when 50 cm3 of a 2.0 mol dm–3 solution of hydrogen
peroxide, H2O2, decomposes at 298 K.
Sketch curves, on the above axes, to illustrate how the volume
of oxygen evolved would change with time if the experiment
was repeated at 298 K using the following.
(i) 100 cm3 of a 1.0 mol dm–3 solution of H2O2. Label this
curve X.
ii) 25 cm3 of a 2.0 mol dm–3 solution of H2O2 in the
presence of a catalyst.
Label*this*curve*Y.
Work out the moles in 50cm3 of 2 mol dm H2O2
Work out moles for 100cm3 of 1 mol dm H2O2
Work out moles for 25cm3 of 2 mol dm3 H2O2
Use this info to help sketch graph
(edited 7 months ago)
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