Chemistry HL IA Samples
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Comparison of efficiency of natural and artificial indicators
Effect of brewing time on mass percentage of gallic acid in green tea and black tea extract
Correlation of temperature dependence of free energy change and the chain length
Effect of pH on adsorption of Carmoisine Red Dye by activated charcoal
Investigation on the variation in Melting Point and Boiling Point of Hydrides of Group 15, 16, and 17 with respect to their % Ionic Character
An inquiry into the correlation between melting points and percentage ionic character of substances, this research employs secondary data to explore how microscopic ionicity influences macroscopic properties in the realm of chemical bonding.
Effect of pH on rate of ketal formation between propanone and ethanol
Investigating the impact of various conditions on organic reactions, this Chemistry IA navigates through synthetic routes, particularly focusing on ketals and acetals, to understand influencing factors on reaction rates using colorimetry/spectroscopy.
Effect of pH on the rate of acid hydrolysis of keratin protein
Exploring the impact of shampoo pH on hair health, this Chemistry IA examines the relationship between product acidity and keratin damage, aiming to identify an ideal pH level for maintaining hair vitality and minimizing loss.
Effect of percentage concentration of NaCl on adsorption of the food color-Carmoisine Red Dye by dried bread crumps
Investigating the impact of various salinity levels on the adsorption efficiency of a dye by bread crumbs, this IA explores eco-friendly water purification and potential chemical factors influencing adsorption in different NaCl concentrations.
Effect of basicity of ammine ligands on thermodynamic stability of Ni (II)-ammine complexes
Exploring the intricacies of co-ordination complexes, this investigation delves into the role of ammine ligands’ basicity in influencing the stability of metal ion complexes, bridging curiosity about bond nature with practical applications in pharmaceuticals.
How does the chemical shift of the methyl protons in 1-H NMR spectrum of ring substituted methyl benzene depends on the type (methyl, hydroxy, chloro, carboxylic acid and nitro) and position (ortho, meta and para) of the substituent in ?
Exploring the influence of structural isomerism on NMR chemical shift values, this IA delves into the intricacies of spectroscopy to understand how variations in functional group positions affect the electronic environment and hence, chemical shifts.
Correlation of retention factor, pH at the iso-electric point and molar mass of amino acids
Exploring the intersection of mathematics and chemistry, this IA investigates potential correlations between the retention factors and pH at the iso-electric point of amino acids, leveraging chromatography and mathematical analysis for insights.
How does the mass of caffeine (in g) extracted from Tetley Black Tea leaves in its aqueous extract depends on the temperature of the water in which the tea leaves are brewed, determined using solvent extraction?
Investigating the impact of temperature on caffeine extraction from tea, this IA combines principles of diffusion and organic chemistry to explore optimal brewing conditions, aligning chemical theory with culinary practices and health benefits.
Effect of salinity on kinetics of adsorption of Allura Red Dye
Exploring the impact of salinity on adsorption kinetics, this research investigates how the presence of NaCl affects the adsorption efficacy of Allura Red dye with activated charcoal, inspired by variations in waste-water purification results.
Investigation of trends in spectral data in homologous series of carboxylic acids
Exploring assurance in chemical compound formation for medicine development, this IA dives into identification techniques ensuring precise compound synthesis, inspired by an interest in COVID-19 vaccine production processes and safeguards.
Does the value of equilibrium constant for the reaction between Iron (III) and thiocyanate in basic medium (using NaOH) depends on the basicity of the medium (expressed in terms of pH ranging from 8.00 to 13.00), determined using colorimetric estimation of Iron-III?
An exploration into the effects of pH variations on chemical equilibrium and equilibrium constants, inspired by industrial chemistry processes like the Haber and Contact processes, and seeking to identify additional influencing factors.