Auburn University

1. Why is recrystallization important? Your TA says so It allows the removal of impurities Because this is the way to make product impure It causes the solid to become super white That is what the instructions say - Answer It allows the removal of impurities 2. Indicate the correct sequence of steps of recrystallization: Select solvent, dissolve solute, decolorize solution, crystallize the solute, collect and wash crystals, and dry product. Crystallize the solute, col...

1. After cooling the recrystallized sample to room temperature, what should you do next? Put it in an ice bath to maximize the yield Nothing, it should have recrystallized Scratch it with the spatula to maximize the yield Stir it with a wooden stick to maximize the yield - Answer Put it in an ice bath to maximize the yield 2. For how long do you keep the tablets in the boiling 95% Ethanol? Until the TA says "STOP!" Until the wooden stick catches on fire Until the...

after cooling the recrystallized sample to room temperature, what should you do next? - Answer put it in an ice bath to maximize the yield for how long do you keep the tablets in the boiling 95% ethanol? - Answer until the tablets disintegrate how do you know when the vacuum line is opened to the correct position? - Answer so that the liquid is filtered leaving a slight breeze over the filtrate for how long do you vacuum filtrate your sample? - Answer 5-6 minutes...

what is the definition of extraction - Answer the separation of a substance from one phase by another phase what is the most common type of extraction used in an organic lab - Answer liquid-liquid phase how likely is it to achieve 100% separation with one single extraction - Answer very unlikely to achieve better liquid-liquid phase extraction, one must: - Answer perform sequential small washes with the solvent the equipment most commonly used to carry out an ...

You will also calibrate your thermometer by performing: Reflux of alcohol Heavy drinking of alcohol Fractional distillation of alcohol Simple distillation of alcohol - Answer Simple distillation of alcohol When calibrating the thermometers of the Melteps, a "slow run" is done by increasing the temperature: With 20 C/min With 1 C/min With 10 C/min With 5 C/min - Answer With 1 C/min If you do not see the scale on the syringe wall very well: Throw the syringe in the...

Get ahead in your geology course with these high-quality, easy-to-follow Chapter 2 notes! Designed specifically for students who want to understand the material quickly and score higher on exams, these notes break down every major concept from the first chapter in a clear, organized, and visually structured way. Includes lectures 8-14 and a full unit review based off of the chapter two test.

Get ahead in your geology course with these high-quality, easy-to-follow Chapter 1 notes! Designed specifically for students who want to understand the material quickly and score higher on exams, these notes break down every major concept from the first chapter in a clear, organized, and visually structured way. Includes lectures 1-7 and a full unit review based off of the chapter one test.

History 1020 – Ferguson – Final Exam 4 (Auburn University) – Complete Testbank with Updated Answers Introduction: This comprehensive study guide covers the full set of testbank and question bank materials for the History 1020 course taught by Ferguson at Auburn University. It includes all final exam questions with their precise and corrected answers, organized by topic — from World War I and the Russian Revolution to the Cold War, Decolonization, and Postwar global politics. The do...

What are some of the main obstacles to economic growth in a subsistence economy? Or in other words what factors prevent the development of *greater market economy*? - Answer Most people are concerned with only producing for themselves, not for making a surplus to sell. Even when there was surplus, the nobility often took it *Transportation* was too expensive and it took to long to get there so food would often rot *Resource constraints:* little space for luxury goods bc ground space was...

supply shortages of bread - Answer The March of the Women was to protest __________. attempt by the king to flee France - Answer Which of the following weakened the constitutional monarchy created by the Constitution of 1791 right to private property - Answer Which of the following was protected in the Napoleonic Code? French - Answer In 1763, Saint-Domingue was under __________ rule. control the whole island - Answer The Spanish intervened in the Saint-Domingue rebell...