Tag: experiment

Exploring the Effect of Concentration on Reaction Rate: The Iodine Clock Reaction

Exploring the Effect of Concentration on Reaction Rate: The Iodine Clock Reaction

Dive into the world of chemical kinetics with our engaging iodine clock reaction experiment! This hands-on investigation demonstrates the effect of concentration on reaction rates, showcasing the captivating color change from clear to blue-black when iodine forms a complex with starch. Our step-by-step guide will walk you through the entire process, from setting up the experiment to analyzing the results. With clear explanations and exciting observations, this experiment is perfect for students and chemistry enthusiasts alike. Discover the fascinating relationship between reactant concentration and reaction rate, and learn how this knowledge can be applied in various scientific fields.

IGCSE Prescribed Practical: Measuring the Speed of Sound in Air with a Resonance Tube

IGCSE Prescribed Practical: Measuring the Speed of Sound in Air with a Resonance Tube

Join us in exploring the fascinating world of sound waves as we measure the speed of sound in air using a resonance tube in this IGCSE Prescribed Practical experiment. Gain a deeper understanding of the principles of physics, resonance, and the factors that affect the speed of sound. Follow our step-by-step guide to set up the experiment, create a standing wave, and calculate the speed of sound. This hands-on experience is perfect for students and science enthusiasts alike, seeking to unravel the mysteries of sound and its behavior in different media.

Enthalpy – Student Design

Enthalpy – Student Design

In this experiment, students will have the opportunity to develop their practical and analytical skills, which are essential for the IA internal assessment or practical exams. By investigating the enthalpy change that occurs when solid ammonium chloride dissolves in water, students will learn how to conduct a scientific experiment using calorimetry techniques. This experiment will also allow students to calculate the enthalpy change and analyze their results, which will help them to understand the importance of accuracy and precision in scientific measurements. By engaging in this experiment, students will gain valuable experience in carrying out practical chemistry experiments and will be better equipped to succeed in their internal assessments or practical exams.

Enthalpy – Displacement

Enthalpy – Displacement

In this chemistry experiment, we aim to determine the enthalpy change for the displacement reaction between zinc and copper sulfate solution. By measuring the temperature change over a period of time and using calculations, we can obtain the enthalpy change and thermochemical equation for the reaction. The procedure involves adding excess zinc powder to the solution and recording the temperature every 30 seconds for 8 minutes. We also discuss how to calculate the percentage error and possible reasons for differences between the experimental and accepted values. This experiment is a great opportunity to learn about enthalpy, displacement reactions, and thermochemistry in practice.

Experiment to Determine the Empirical Formula of Magnesium Oxide

Experiment to Determine the Empirical Formula of Magnesium Oxide

Experiment to Determine the Empirical Formula of Magnesium Oxide. To calculate the empirical formula of magnesium oxide by heating magnesium ribbon in the presence of oxygen and measuring the mass change.

Determining the Value of Zero Kelvin through Extrapolation of Charles’s Law

Determining the Value of Zero Kelvin through Extrapolation of Charles’s Law

The aim of this practical investigation is to determine the value of zero Kelvin, also known as absolute zero, by extrapolating the relationship between temperature and volume for an ideal gas under constant pressure.