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How does changing the concentration of copper (II) sulphate solution (0.2M, 0.4M, 0.6M, 0.8M, and 1.0M) affect the voltage of a copper-magnesium galvanic cell at constant concentration of magnesium sulphate solution, temperature of copper sulphate and magnesium sulphate solution, and concentration of potassium nitrate solution, measured by a voltmeter? - Chemistry IA exemplar scored 6

How does changing the concentration of copper (II) sulphate solution (0.2M, 0.4M, 0.6M, 0.8M, and 1.0M) affect the voltage of a copper-magnesium galvanic cell at constant concentration of magnesium sulphate solution, temperature of copper sulphate and magnesium sulphate solution, and concentration of potassium nitrate solution, measured by a voltmeter?

How does temperature (ranging from 10℃ to 50℃) affect the rate of the iodine clock reaction, and what is the relationship between temperature and reaction rate? Specifically, how can the reaction rate be determined from the time taken to reach the blue-black endpoint, and how can this data be analysed using the Arrhenius equation to estimate the activation energy of the reaction? - Chemistry IA exemplar scored 5

How does temperature (ranging from 10℃ to 50℃) affect the rate of the iodine clock reaction, and what is the relationship between temperature and reaction rate? Specifically, how can the reaction rate be determined from the time taken to reach the blue-black endpoint, and how can this data be analysed using the Arrhenius equation to estimate the activation energy of the reaction?

"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?”

Investigation into how varied temperature (20℃, 30℃, 40℃, 50℃, 60℃, 70℃) affect the bleaching capacity of
sodium hypochlorite in removing protein-based stains (egg-yolk) from 100% cotton fabric, measured by the ΔE value
obtained using the Color Identifier Colorimeter app? - Chemistry IA exemplar scored 6

Investigation into how varied temperature (20℃, 30℃, 40℃, 50℃, 60℃, 70℃) affect the bleaching capacity of sodium hypochlorite in removing protein-based stains (egg-yolk) from 100% cotton fabric, measured by the ΔE value obtained using the Color Identifier Colorimeter app?

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?

What is the effect of aqueous NaCl concentration increase (0.5%, 1%, 3.5%, 5%, 10%) on the mass loss of iron? - Chemistry IA exemplar scored 5

What is the effect of aqueous NaCl concentration increase (0.5%, 1%, 3.5%, 5%, 10%) on the mass loss of iron?

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?

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?

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 does the boiling time (0.00, 240.00, 480.00, 720.00, 960.00, 1200.00 seconds) affect the amount of ionic calcium
(in mg) in cow’s milk determined using Ethylenediaminetetraacetic acid (EDTA) complexometric back titration
using Eriochrome Black T indicator? - Chemistry IA exemplar scored 7

How does the boiling time (0.00, 240.00, 480.00, 720.00, 960.00, 1200.00 seconds) affect the amount of ionic calcium (in mg) in cow’s milk determined using Ethylenediaminetetraacetic acid (EDTA) complexometric back titration using Eriochrome Black T indicator?