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

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 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 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 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 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?

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 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?

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 changing the pH (pH 2.34, pH 4.32, pH 7.06, pH 9.98, pH 12.23) of the solution affect the rate of carbon dioxide produced for the breakdown of Corn Starch while using Amylase as a catalyst, determined by the volume (cm3) of carbon dioxide produced?

How do different concentration (0.0000 M as control, 0.5000M, 1.0000M, 1.5000M, 2.0000M) values of Carbonic acid, H2CO3, affect the rate of 8-gram Calcium Carbonate, CaCO3, dissolved by measuring the changes in the mass of CaCO3 using digital measuring scale and record the change in turbidity value of the solution using Turbidity metre after 6 days?

How does temperature affect reaction rate for the reaction between sodium bicarbonate and ethanoic acid measured from the rate of change of pressure inside a flask, and what is the activation energy for the reaction?

How do different ratios of Ethanol and 2-Propanol (2%, 20%, 40%, 60% and 80% 2-Propanol) in an Ethanol-2-Propanol mixture affect the enthalpy of combustion as determined by calorimetry?

To what extent does altering the concentration of active ingredient Zinc oxide (9%, 13%, 17%, 21%, 25%) affect the Sun Protection Factor (SPF) of Mineral Sunscreen determined using UV - Visible Spectrophotometry

How does increasing storage time (1, 2, 3, 4, and 5 hours) at room temperature and limited light exposure affect the vitamin C concentration of lemon juice in mol dm-³ as determined by iodometric titration, and what is the order of reaction for degradation of vitamin C that can be deduced from the results?

What is the impact of increasing reactant concentrations (mol dm-3 ) on the rate of light production of luminol? (lx s -1 )

How do different volumes of 1 mol/dm3 Copper (II) sulfate (CuSO4) solution (0,1,2,3,4 cm3) added to milk affect the fermentation of lactic acid (mol/dm3) over 5 days, as measured by the volume of NaOH solution (mL) required to neutralize the lactic acid produced?

To what extent does the presence of a catalyst (Iron(II) Sulfate, FeSO¤) influence the activation energy (kJ mol{¹) of the iodate variation of the iodine clock reaction, measured by the time taken (s) for blue complex formation across various temperatures (20.0°C, 30.0°C, 40.0°C, 50.0°C, 60.0°C)?

How does the amount of calcium carbonate (CaCO3) in Colgate Maximum Cavity Protection at different temperatures (21°C, 30°C, 40°C, 50°C, 60°C), determined by back titration using HCl and NaOH, vary, and what does this indicate about the thermal stability of CaCO3?

Investigating the change in the peroxide value in the canola oil with different temperatures (30, 60, 90, 120 and 150°C) using iodometric back titration.

How does changing the current [3.0, 3.5, 4.0, 4.5, 5.0 A] in electrolysis affect the mass of products formed at the cathode in the electrolysis of copper and aluminium respectively?

How does the source of caffeine (Lipton Earl Grey, Lipton Yellow Label, Remsey Earl Grey, Milton Earl Grey Classic) affect its content (in g), determined using the DCM-facilitated separation funnel technique?

What is the effect of changing temperatures (20, 40, 60, 80, 100 °C) on the amount of iodine remaining in iodized salt (in grams) after exposure to heat during cooking, as measured by an iodometric titration?

How does the distance from the city centre (1.3 km, 3.1 km, 4.1 km, 6 km, 7.1 km) affect the number of millimoles of the dissolved oxygen concentration in city ponds as measured by the Winkler Titration Method?

What is the effect of boiling in 100°C and filtering using the carbon filter on the hardness of tap water (mol/dm3) as measured using EDTA complexometric titration?

What is the effect of the temperature (30, 40, 50, 60, 70 °C) on the buffering capacity (mol/dm3) of phosphate buffer, as measured using titration with 0.1 mol/dm3 HCl?

How does the pKa value of certain weak acids present in food (2.85, 2.99, 3.13, 4.10, 4.76) affect the loss in mass of calcium carbonate (in grams, measured using an electronic balance, ±0.01 g), and how does the addition of sodium fluoride solution affect this reaction, keeping the concentration and temperature of the acid solutions and sodium fluoride solutions, the time taken for the reaction and the surface area of the calcium carbonate chips controlled?

What is the effect of cooking temperature (10, 25, 40, 55, 70 °C) of Ipomoea aquatica on its concentration of iron (II) ions, as measured by the titration volume of 0.002M potassium permanganate solution required to completely oxidize iron (II) ions in a solution of Ipomoea aquatica after cooking it for 10 minutes?

How does light intensity (varied by using a UV Lamp at 365nm placed perpendicularly at 5.0cm, 10.0cm, 15.0cm, 20.0cm and 25.0cm away from the oil sample) affect the rate at which unsaturated fatty acids in 3.00g samples of sunflower oil undergoes rancidity due to exposure for a set duration of 30 hours, which will be quantified in peroxide value via an iodometric titration that compares rate of photosensitized oxidation?

What is the pseudo order of reaction with respect to Methyl Orange and order of reaction with respect to H2O2 in the degradation of Methyl Orange, in the presence of 365nm Ultraviolet Light, through the use of Ultraviolet-Visible Spectrometry (UV-Vis), for concentrations of Hydrogen Peroxide between 1.77 mmol dm-3 (3sf) and 0.110 mmol dm-3

What is the enthalpy change in the reaction of sodium sulphate anhydrous to sodium sulphate decahydrate, by measuring their respective enthalpy change of solutions through calorimetry and using Hess’s Law?

What is the order of reaction between HCl and CaCO3, as determined by varying the concentration of HCl?

24/24: Influence of Invertase Concentration on Sucrose Hydrolysis Rates in Kombucha Fermentation

How does varying voltage applied (1.0, 2.0, 3.0, 4.0, 5.0V) to a 1mol dm -3 NaOH-based alkaline water electrolytic cell using graphite electrodes in 900s affect the Faradaic efficiency (%) of its hydrogen evolution reaction?

How does the presence of a catalyst (no catalyst, CuSO4) aûect the activa;on energy (kJ mol-1) of the bromate variation for the iodine clock, calculated by measuring the time taken (s) for the reaction to start forming a blue complex at various temperatures (25.0°C-45.0°C) produced by a temperature controlled water bath?

How is the Dissolved Oxygen Content (measured in ppm) of a 200 cm3 freshwater sample affected by a change in temperature (35°C to 75°C, in 10°C intervals), carried out via a water bath for 360 seconds, as measured by the volume of sodium thiosulphate (0.05 mol dm-3) reacted in Winkler’s iodine-sodium thiosulphate LtraLon?

Using the Winkler Method, how does the dissolved oxygen content of water collected from Bondivann lake change when the concentration of dissolved NaCl (0, 10, 20, 30, 40, 50 g/L) is varied?

What is the relationship between solution temperature (K) and the decomposition rate (cm3*s-1) of hydrogen peroxide (H2O2), and, hence, what is the reaction9s activation energy (kJ*mol-1) measured by the slope in data between the two variables, and rate equation as determined by the rate difference between 3.0% and 1.5% concentrations?

What is the relationship between temperature and rate of reaction of the reaction between solid 0.7g sodium carbonate and 15cm³ solution of 1M ethanoic acid, as measured by finding how the rate constants of the reaction change by measuring the volume of carbon dioxide gas produced in a gas syringe within 5 seconds at temperatures 22.0, 30.2, 40.2, 45.1 and 50.2°C, and what would the activation energy be?