Adipic acid Study guides, Class notes & Summaries

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | is...

Hazmat Operations, Top Exam Questions and answers, 100% Accurate. Verified. What is an Operations Level Responder? - Person who respond to HazMat/WMD incidents for the purpose of implementing or supporting actions to protect nearby persons, the environment, or property from the effects. Are NOT used in offensive tactics, but on defensive. What tasks will an operational level responder be expected to perform? - Analyze, plan, implement, evaluate Analyze: to determine the scope and potent...

Why would you use a filtering pipet? Used to remove unwanted solid from a liquid -When you want the liquid Why would you use a filter-tip pipet? -to remove solids from very small amounts of liquid by leaving solid behind (as opposed to trapping it) -when you want the solid Why (in exp. 0) do you rinse w/ 1 mL of methanol and 1 mL of hexane? -methanol dissolves and hhexane has a low bp to evaporate liquid What m.p. indicates purity? -a narrow melting point range -an im...