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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)?

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)?

What is the effect of the cooking temperature (10, 30, 60, 80, 100 ºC) of Brassica rapa subsp. chinensis on its content of calcium ions (mg), as measured by the titration volume of 0.01M EDTA (Ethylenediaminetetraacetic acid) required to completely react with calcium (II) ions in a solution of Brassica rapa subsp. chinensis after cooking it for 5 minutes? - Chemistry IA exemplar scored 6

What is the effect of the cooking temperature (10, 30, 60, 80, 100 ºC) of Brassica rapa subsp. chinensis on its content of calcium ions (mg), as measured by the titration volume of 0.01M EDTA (Ethylenediaminetetraacetic acid) required to completely react with calcium (II) ions in a solution of Brassica rapa subsp. chinensis after cooking it for 5 minutes?

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 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

"How does the temperature change (20°C, 40°C, 60°C, 80°C and 100°C) affect calcium concentration (mg) in soya milk, measured by using Ethylenediaminetetraacetic acid (EDTA) Complexometric titration?” - Chemistry IA exemplar scored 6

"How does the temperature change (20°C, 40°C, 60°C, 80°C and 100°C) affect calcium concentration (mg) in soya milk, measured by using Ethylenediaminetetraacetic acid (EDTA) Complexometric titration?”

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?

Investigating how increasing temperatures of water (40°C, 50°C, 60°C, 70°C, 80°C, 90°C, 100°C) in which cloves are steeped affect the concentration of quercetin, measured by a spectrophotometer - Chemistry IA exemplar scored 5

Investigating how increasing temperatures of water (40°C, 50°C, 60°C, 70°C, 80°C, 90°C, 100°C) in which cloves are steeped affect the concentration of quercetin, measured by a spectrophotometer

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 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?