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 materi
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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
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