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How does varying the concentration of Iron(III) chloride affect the rate of hydrogen peroxide decomposition? - Chemistry IA exemplar scored 4

How does varying the concentration of Iron(III) chloride affect the rate of hydrogen peroxide decomposition?

How do the steeping times (30, 60, 90, 120 and 150 seconds) of tea affect its caffeine content using dichloromethane in a separating funnel? - Chemistry IA exemplar scored 7

How do the steeping times (30, 60, 90, 120 and 150 seconds) of tea affect its caffeine content using dichloromethane in a separating funnel?

How does temperature (5.0ºC, 10.0ºC, 15.0ºC, 20.0ºC, 25.0ºC, 30.0ºC, 35.0ºC, 40.0ºC) affect the concentration of dissolved oxygen (mg/dm3) in 20.00cm3 of deionised water, measured using Winkler's titration method? - Chemistry IA exemplar scored 7

How does temperature (5.0ºC, 10.0ºC, 15.0ºC, 20.0ºC, 25.0ºC, 30.0ºC, 35.0ºC, 40.0ºC) affect the concentration of dissolved oxygen (mg/dm3) in 20.00cm3 of deionised water, measured using Winkler's titration method?

How does the temperature (50.0,60.0,70.0,80.0,90.0 °C) of Acetylsalicylic acid synthesis
from Salicylic Acid and Acetic anhydride affect its % yield and purity (determined by the Iron
(III) Chloride test and the melting-point of the Acetylsalicylic acid crystals)? - Chemistry IA exemplar scored 5

How does the temperature (50.0,60.0,70.0,80.0,90.0 °C) of Acetylsalicylic acid synthesis from Salicylic Acid and Acetic anhydride affect its % yield and purity (determined by the Iron (III) Chloride test and the melting-point of the Acetylsalicylic acid crystals)?

To what extent do different temperatures (29℃, 37℃, 45℃) affect the aspirin (acetylsalicylic acid) concentration during reaction with stomach acid (HCl)? - Chemistry IA exemplar scored 5

To what extent do different temperatures (29℃, 37℃, 45℃) affect the aspirin (acetylsalicylic acid) concentration during reaction with stomach acid (HCl)?

Investigating The Content of Tannin in Tea Affected by Steeping Time Using a Colorimeter - Chemistry IA exemplar scored 3

Investigating The Content of Tannin in Tea Affected by Steeping Time Using a Colorimeter

Examining the effect of temperature on the rate of reaction and determining activation energy using the Arrhenius Plot. - Chemistry IA exemplar scored 4

Examining the effect of temperature on the rate of reaction and determining activation energy using the Arrhenius Plot.

Investigating the Effect of Ionic Charge of Cation towards the Enthalpy of Solution of Salts - Chemistry IA exemplar scored 5

Investigating the Effect of Ionic Charge of Cation towards the Enthalpy of Solution of Salts

How will heating lemon juice to different temperatures (60, 70, 80, 90, 100 degrees celsius) affect its concentration of ascorbic acid (vitamin C)? - Chemistry IA exemplar scored 4

How will heating lemon juice to different temperatures (60, 70, 80, 90, 100 degrees celsius) affect its concentration of ascorbic acid (vitamin C)?

What is the impact of cooking temperatures (70C, 80C, 90C and 100C) on the vitamin C
content of white cabbage when exposed to a short cooking duration of 10 minutes? - Chemistry IA exemplar scored 3

What is the impact of cooking temperatures (70C, 80C, 90C and 100C) on the vitamin C content of white cabbage when exposed to a short cooking duration of 10 minutes?