How does the standard enthalpy of combustion (kJ/mol) vary based on the chain length and isomer of alcohols (methanol, ethanol, propan-1-ol, propan-2-ol, 2-methylpropan-1-ol, butan-1-ol)?

What is the order of reaction for the photocatalyzed degradation of 0.00025M Eosin-Y with TiO₂ catalyst when exposed to long-wave UV radiation and the effect of different amounts of plastic mesh on reaction rate?

Will carbon steel coupons exposed to media of different acidity and saline concentrations exhibit different corrosion rates?

Investigation of the effect of different types of bread on their standard combustion enthalpy

How do different brewing methods (espresso, pour-over, and cold brew) and coffee bean origin (Ethiopian vs. Brazilian, representing high and low natural acidity, respectively) affect the titratable acidity of coffee when neutralized by 0.1 mol dm⁻³ NaOH?

Finding the rate of the neutralization reaction between 0.5M hydrochloric acid and two different concentrations of sodium bicarbonate (0.23M, 0.46M) at different temperatures (27°C, 32°C, 37°C, 42°C, 47°C) by pH metry, hence determining activation energy in kJ mol-1

What is the effect of increasing the concentration of critic acid (moldm-3) on the antioxidative capacity (μM TEAC) of Camellia sinensis var. assamica (black tea), measured via absorbance value of the tea at 635nm using Prussian blue assay over four minutes?

Determining the rate order of copper sulphate during the oxidation of luminol by hydrogen peroxide.

How does different current flow in the circuit (0.04, 0.06, 0.08, 0.14, 0.20, 0.24 A) affect the mass of silver metal deposited after 10 minutes using the same 0.250 mol dm-3 concentration of AgNO3 solution in electrolysis process?

How does the different concentration (0.1, 0.2, 0.4, 0.5, 0.6, 0.8, 1.0 M) of 50 mL of Copper(II) Nitrate soluton, Cu(NO3)2 affect the copper, Cu mass deposited on the graphite cathode during 10 minutes of electroplating process for 6 V of power supply.

How does differing the temperature that Ascorbic Acid is subjected to (25ºC, 40ºC, 55ºC, 70ºC, 85ºC, 100ºC) affect its concentration and the pH of the mixture, as determined by an iodine starch titration?

How does increasing the temperature of water at intervals of 20°C, 40°C, 60°C, 80°C, 100°C affect the amount of caffeine able to be extracted from black tea leaves, measured by mass after undergoing an ethanol based solvent extraction ?

How does the duration of boiling broccoli (2, 4, 6, 8, 10 minutes) influence its chlorophyll concentration, as measured by a spectrophotometer?

How does steeping green tea leaves at different temperatures (50, 60, 70, 80, 90, 100 °𝐶) for 3 minutes influence its flavonoid concentration (𝑖𝑛 𝑚𝑜𝑙 𝑑𝑚−3), as measured by spectrophotometric analysis, and which temperature achieves the optimal flavonoid extraction?

How does the concentration of C2H5OH(aq) affect its molar enthalpy of combustion?

How do different ratios of ethanol mixed with distilled water (100%, 90%, 80%, 75%, 70%) in 20cm3 affect the enthalpy change of combustion when done in a bomb calorimetry?

How does heating different cooking oils (olive oil, sunflower oil, and canola oil) at temperatures of (40°C, 60°C and 80°C) for 30 minutes affect their acid value and free fatty acid content, as determined by acid-base titration?

How do different concentrations of ethanol (0%, 20%, 40%, 60%, and 80%) affect the amount of chromium (III) ion light absorbance measured using spectrophotometer when ethanol reacts with acidified potassium dichromate after 5 minutes?

How can the change in concentration of hydrogen peroxide ( 0.00, 0.20M, 0.40M, 0.60M, 0.80M, 1.00M) (±0.01) affect the rate of decomposition catalysed by 10g pounded manganese (iv) oxide, monitored by the oxygen produced in ml (±0.1) using a 50cm3 gas syringe for 240s (±0.01)?

How does increasing brewing temperature (40.0°C, 50.0°C, 60.0°C, 70.0°C, and 80.0°C) affect the polyphenol concentration in black tea, expressed as mg/L TA (Tannic Acid), determined using volumetric titration method?

How does the concentration of acetic acid using titration method in different types of vinegar (balsamic vinegar, apple cider vinegar, guava cider vinegar, pomegranate cider vinegar, rice vinegar, and white vinegar) affect the rate of enamel erosion, as modeled by the dissolution of eggshells?

How does the varying temperature (10°C, 20°C, 30°C, 40°C, 50°C, 60°C, 70°C, 80°C) affect the concentration (mol/L) of citric acid (C6H8O7) in 25ml of store-bought apple juice by acid-base titration with sodium hydroxide (NaOH), by measuring the change in burette reading of sodium hydroxide (NaOH) used for neutralisation of citric acid?

How do different temperatures (20℃, 40℃, 60℃, 80℃, 100℃ ± 0.5℃) affect the relative absorbance of natural fruit dye extracted from frozen blueberries, measured with a spectrometer?

How does different concentration of sulfuric acid , H_2 SO_4 (0.1 mol dm^(-3), 0.5 mol dm^(-3), 1.0 mol dm^(-3), 1.5 mol dm^(-3), 2.0 mol dm^(-3)) as a catalyst in esterification between methanol, CH3OH and butanoic acid, C3H7COOH affect the rate of esterification?

How does the reaction between yeast and different concentrations of sucrose (10%, 20%, 30%, 40%, 50%) affect the rate of carbon dioxide produced which will be measured using gas syringe at regular intervals (10 minutes) over a fixed period (1 hour).

How do different chloride salts (LiCl, NaCl, KCl, MgCl2, and CaCl2) influence temperature change and enthalpy of hydration across Period 3 and down Groups 1 and 2 of the periodic table?

How does the activation energy for the decomposition of hydrogen peroxide vary when using catalase from two different animal livers, as determined from the rate of oxygen gas evolved at temperatures between 20°C and 40°C?

How does varying the concentration of hydrogen peroxide affect the time taken for the iodine clock reaction mixture to turn blue?

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

How does increasing the concentration of sulfuric acid (0.000 (control), 0.250, 0.500, 0.750, 1.00)M affect the rate of calcium carbonate decomposition (g/s) through measuring the mass loss using a digital balance ±0.005g for 900.00s with a digital stopwatch ±0.01s?

How does varying the concentration of sodium thiosulphate (0.1 M, 0.2 M, 0.3 M, 0.4 M, 0.5 M) affect the rate of reaction in the reaction between sodium thiosulphate and hydrochloric acid, as measured using a spectrophotometer?

How does the heating temperature (50°, 60°, 70°, 80°, 90°, 100°C) of Mohr’s salt (ammonium iron(II) sulfate, (NH4)2Fe(SO4)2·6H2O) in sulfuric acid (H2SO4) (0.100 mol dm-³) have on the volume of potassium permanganate (KMnO4) (0.0100 mol dm-³) required as the titrant in a redox titration?

What is the effect of change in temperatures (20°C, 30°C, 40°C, 50°C and 60°C (±0.5°C) on the rate constant(k) of a neutralization reaction between hydrochloric acid(HCl) of 1M (±0.05M) and sodium hydroxide (NaOH) of 0.5M (±0.01M), at a constant volume (±0.05cm³), by titration, and calculating the activation energy (E°) kJmol21 of the reaction using Arrhenius' plot?

How does the varying temperatures of 10.0°C ± 1°C to 80.0°C ± 1°C at an interval of 10.0°C ± 1°C affect the molar concentration of ethanoic acid (CH_3 COOH) in mol dm-3 in vinegar, determined by acid-base titration using 0.1moldm^(-3) of standardized NaOH solution?

How does changing the salinity of water by adding 0%, 10%, 20%, 30%, 40%, and 50% of Sodium Chloride affect the amount of dissolved oxygen in water, measured by Winkler's method?

How do different temperatures affect the adsorption of heavy metals ion in a solution by eggshells powder given that the mass of eggshells used, type of egg and concentration of copper ion solution is constant?

To what extent does the average bond length between the central copper atom in complexes with ligands Cl-, OH-, H2O and NH3+ measured in picometres (pm), affect the energy difference of d-orbital splitting (in kJ mol-1), as collected using a Uv-vis spectrophotometer to determine the wavelength at highest absorbance?

How does different concentration of acetic acid, CH3COOH (0% (controlled), 10%, 15%, 20% and 25%) could reduce the calcium oxalate, CaC2O4 content (mg/100g) in purple taro (Colocasia esculenta) by immersing it in each solution for 15 minutes and measured it by titration with 0.05 M potassium permanganate, KMnO4 as the indicator?

How do different temperatures (10℃, 20℃, 30℃, 40℃, 50℃, 60℃) influence the rate of reaction in the iodine clock reaction, as measured by the rate constant (k, in s⁻¹), and how can the activation energy (𝐸a, in J/mol) be determined using the Arrhenius equation?

How does the effectiveness measured in pH change of different acid-suppressing medications (e.g., calcium carbonate, magnesium hydroxide, sodium bicarbonate, pantoprazole, omeprazole) compare in increasing pH of a simulated stomach acid solution (hydrochloric acid) over time (5 minutes)