Placement Test Study Guide 28 Questions with Verified Answers,100% CORRECT
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Placement Test Study Guide 28 Questions with Verified Answers Students often underestimate the importance of ________ as a tool for learning. - CORRECT ANSWER Writing You should always read over... the assigned material _______ is it covered in class - CORRECT ANSWER Before Answers to selected ________ are given in appendix L, p-A-26. T/F - CORRECT ANSWER Even-numbered questions True The __________ provides an overview of each chapter and emphasizes the threads of continuity that run through chemistry. (Optional order on amazon) - CORRECT ANSWER The Study Guide to Chemistry Methane plus Oxygen yields ______ +________ - CORRECT ANSWER Co2 +2H2O A liquid expands on heating. T/F - CORRECT ANSWER True ECP figure+ ________ ECP figure- ________ - CORRECT ANSWER Most Positive Most Negative What does the head of the arrow mean in the molecule? I---> - CORRECT ANSWER Negative Charge What does red in ECP figures mean? - CORRECT ANSWER Negative What does blue in EP figures mean? - CORRECT ANSWER Positive What does green in ECP figures mean? - CORRECT ANSWER Neutral There is no observable change in the quantity of matter during a ___________ and during a ____________. - CORRECT ANSWER Chemical RxN Physical Change Express 2.5 Gal in Milliliters What is the 3rd term in the conversion (to be called grid in class)? - CORRECT ANSWER 9.4* 10^3 2SF 1L/1.06 qt In table 6-5 CH3COOH is written in ionic equations as - CORRECT ANSWER Molecule In table 6-5 NaOH is written in ionic equations as - CORRECT ANSWER Separate Ions What does -COOH mean? - CORRECT ANSWER Organic Acid; Carboxylate Group Under 4a- the equation- What is the oxidation number of N in NO3-? - CORRECT ANSWER +5 Under the red line of 4a- What are the NO3- ions called? - CORRECT ANSWER Spectator Ions Why is (NO3)- called "that" concept? - CORRECT ANSWER Ions in solution that do not participate in a chemical reaction The oxidation number of silver, Ag, decreases from 1+ to 0, Thus the Ag +1 ion is - CORRECT ANSWER Reduced The Ag+1 ion is called the ________ - CORRECT ANSWER Oxidizing Agent The Copper Oxidation Number increases from zero to +2, Copper is _______ and called the _________ __________. - CORRECT ANSWER Oxidized Reducing Agent Oxidation Occurs at the _______; Reduction occurs at the _________ - CORRECT ANSWER Anode Cathode The reaction 2 CL- -> Cl2 (g) + 2e' is the process of _________ and occurs at the __________ and is called the ________ reaction - CORRECT ANSWER Oxidation Anode Anode Half Number 5- What color is an oxygen atom? What does that mean? - CORRECT ANSWER Red Electron Rich Number 6- Draw a 2pz atomic orbital. - CORRECT ANSWER See Picture Number 6- Draw a (pie)2py bonding molecular orbital - CORRECT ANSWER See Picture Numer 7- Hybridization. If one starts with 2-2p - CORRECT ANSWER [Show More]
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