Chemistry

What is Faraday’s law of electromagnetic induction? Faraday’s law of electromagnetic induction states that the induced electromotive force (emf) in a closed loop is equal to the rate of change of magnetic flux through the loop. What is the formula for Faraday’s law? Faraday’s law can be written as E = -dΦB/dt, where E is … Read more

What is a voltaic cell? A voltaic cell is a type of electrochemical cell that generates electrical energy from spontaneous redox reactions taking place within the cell. What is the difference between a voltaic cell and an electrolytic cell? A voltaic cell converts chemical energy into electrical energy through a spontaneous redox reaction, whereas an … Read more

What is an electrolytic cell? An electrolytic cell is a type of electrochemical cell that drives a non-spontaneous redox reaction through the application of electrical energy. How does an electrolytic cell differ from a galvanic cell? While a galvanic cell converts chemical energy into electrical energy through a spontaneous redox reaction, an electrolytic cell uses … Read more

What is a redox reaction? A redox reaction is a type of chemical reaction that involves a transfer of electrons between two species. What does oxidation and reduction refer to in a redox reaction? Oxidation refers to the loss of electrons, while reduction refers to the gain of electrons in a redox reaction. What is … Read more

What are colligative properties? Colligative properties are properties of solutions that depend on the number of solute particles in solution, not the nature or type of solute particles. What are the main colligative properties? The main colligative properties are vapor pressure lowering, boiling point elevation, freezing point depression, and osmotic pressure. How does the addition … Read more

What is solubility? Solubility is a measure of how much solute can be dissolved in a given amount of solvent. What does it mean when a salt is soluble in water? When a salt is soluble in water, it means that it can be dissolved in water to a significant extent. What factors influence the … Read more

What is salt hydrolysis? Salt hydrolysis is a reaction in which a salt reacts with water to form an acidic or basic solution. What is a hydrolysis constant? The hydrolysis constant, Kh, is an equilibrium constant that measures the degree of hydrolysis of a salt. What is the relationship between Ka, Kb, and Kw in … Read more

What is an acid-base titration? An acid-base titration is a quantitative analysis of acids and bases; it’s a technique used to determine the concentration of an unknown acid or base solution by neutralizing it with a solution of known concentration. What is the end point of a titration? The end point of a titration is … Read more

What is an acid-base solution? An acid-base solution is a solution that contains either an acid or a base. The pH of the solution determines whether it is acidic (pH<7), basic (pH>7), or neutral (pH=7). How is the strength of an acid or base determined? The strength of an acid or a base is determined … Read more

What is a buffer solution? A buffer solution is a solution that resists changes in pH when small amounts of an acid or a base are added. It maintains its pH nearly constant. How do buffer solutions work? Buffer solutions work by having a balance of a weak acid and its conjugate base (or a … Read more