Chemistry, 07.04.2020 19:58, denjayjr681
Snape and Dumbledore both agree that safety must be a priority. Before we get into the more challenging questions they think we should review some safety practices. For the reactivity of metals experiment which of the following is a laboratory safety precaution? Please read all the choices before choosing an answer. A) Since you will be working with hydrochloric acid (6M) care must be exercised not to get this acid on your clothes or skin. If you should come into physical contact with it, wash if off as fast as possible with copious amounts of water. Then inform your teaching assistant of your spill. B) You must wear goggles in this laboratory. C) Handle your thermometer with care. When you remove it from your drawer be sure to hold both ends of the thermometer so that it does not slip out. D) No flames of any type will be permitted in the laboratory while this experiment is being performed.
Answers: 2
Chemistry, 22.06.2019 03:30, tbeck225
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 21:30, sierradanielle9280
In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius
Answers: 3
Chemistry, 22.06.2019 21:30, sullivanjakob
Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
Answers: 1
Snape and Dumbledore both agree that safety must be a priority. Before we get into the more challeng...
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