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How Much How Fast & How Far E.2 Rate of Chemical Change (id: 43eb64f59)

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admin 发表于 2024-2-6 23:36:29 | 显示全部楼层 |阅读模式
本题目来源于试卷: How Much How Fast & How Far E.2 Rate of Chemical Change,类别为 IB化学

[问答题]
A student used an online simulatio yu43 kds. mad5ga8q0mcrv,4hn to collect the following data on kinetio 8 )v n8znpe;0dike t;f)n6ja9p7eb ics of a clock reaction, timing the reaction until a dark blue colour appeared suddenly. They kept all other facp on ;z jee;)7k i)t86b8a9i0denfnp vtors constant, including the concentrations of the other reactants$([H_2SO_4]=0.10mol dm^{-3},[Na_2S_2O_3]=0.030mol dm^{-3},[starh]=0.001mol dm^{-3})$
Trial $[H_2O_2]$,
$mol$$dm^{-3}$
$[KI]$,
$mol$$dm^{-3}$
$Reaction Time (s)$ $Rate of Reaction$
1 0.045 0.100 3.59
2 0.045 0.050 7.20
3 0.045 0.025 14.00
40.0225 0.100 7.05

1.Fill in the table with the respective rate of reaction for each trial.
2.Sketch the graph for rate vs [KI] and state the order of reaction with respect to KI.
3.Determine the order of reaction with respect to hydrogen peroxide using the data table.
4.Suggest two further experiments that could be done to determine the rate expression.
5.Suggest an advantage or a disadvantage about using a simulation to collect data.




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