Kim Tran 1st Period Titration of Weak Acid with a Strong Base Introduction There are three different sets of definitions for the terms acid and base. By the Arrhenius definition, an acid is one that ionizes in an aqueous solution to produce hydrogen ions.
Kim Tran Rashmi Vidyasagar Krishna Patel 1st period The Determination of Keq for FeSCN2+ Objective: To calculate the equilibrium constant for the reaction of iron (III) ions with thiocyanate ions Safety: Iron (III) nitrate solution contains 1 M nitric aci
Kim Tran 1st Period Standardizing a Solution of Sodium Hydroxide Introduction Sodium hydroxide is often used as the base in acid-base titrations. NaOH is not a suitable primary standard due to its very hygroscopic quality, causing its mass to provide impr
6) Compare the pH values of steps 1 and 6. How did the acetic acid-acetate ion buffer affect the pH changes with NaOH? Explain. Write a chemical equation to show the reaction of NaOH with the buffer. The pH of the solution stayed relatively constant at ab
Krishna Patel and Kim Tran AP Chemistry 1st Period Molecular Weight by Freezing Point Depression Introduction:
Objective: To determine the molecular weight of a compound by measuring the freezing point depression of a mixture Safety: See MSDS folder. Mate
Krishna Patel & Kim Tran AP Chemistry 1st period Molar Mass of a Volatile Liquid by the Vapor Density Method Introduction: To find the number of moles of an unknown liquid, you find the molar mass by using the Ideal Gas Law, PV = nRT. Using the data obtai
Krishna Patel and Kim Tran 1st Period Kinetic Study of Thiosulfate in Acid Solution Introduction The rate of reaction between the thiosulfate ion and the hydrochloric acid can be shown by: rate = k[S2O3-2]r[H+1]s Since the amount of hydrochloric acid is n
Kim Tran 1st period Finding the Ratio of Moles of Reactants in a Chemical Reaction Introduction A balanced chemical equation provides the mole ratios of reactants and products for a chemical reaction. Several steps are involved in continuous variations to
nguyen (shn254) H01: Physical Equilibria mccord (51175)
001 10.0 points
Substance A has undergone a phase transition (under constant pressure) where
H = 10kJ/mol and S = 36J/K mol.
What phase transition could have occurred?