Chem 1311 Study guides, Class notes & Summaries
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CHEM 1311 Test 1 Questions With Complete Solutions
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CHEM 1311 Test 1 Questions With Complete Solutions
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CHEM 1311 TESTS COMPILATION BUNDLE
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CHEM 1311 TESTS COMPILATION BUNDLE
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Chem 1311 Final Exam Questions With Complete Solutions
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Chem 1311 Final Exam Questions With Complete Solutions
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Chem 1311 Exam 1 Review Questions With Complete Solutions
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1. Which of the following is an example of a quantitative observation? 
A) The piece of metal is longer than the piece of wood. 
B) Solution 1 is much darker than solution 2. 
C) The liquid in beaker A is blue. 
D) The temperature of the liquid is 60°C. 
E) At least two of the above (A-D) are quantitative observations. 
____ 2. Which element does not exist naturally on earth? 
A) Bismuth 
B) Uranium 
C) Lanthanum 
D) Technium 
E) Protacinium 
____ 3. 8.1 milligram(s) contains this many grams. 
...
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CHEM 1311 Exam 1 Questions With Complete Solutions
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chemical property correct answer: the way substances may change/react to become another substance 
 
physical property correct answer: can be observed without any change to identification and/or composition 
 
matter correct answer: anything that has mass and occupies space 
 
reactivity, stability, flammability, toxicity, fermentation correct answer: examples of chemical properties 
 
malleability, ductility, conductivity, viscosity, boiling/melting point correct answer: examples of physic...
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EXAM 4 REVIEW SPRING 2023 CHEM 1311 QUESTIONS WITH COMPLETE SOLUTIONS
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the 
question. 1) 
Which of the following is the general electron configuration for the outermost electrons 
of elements in the alkaline earth group? 1) A) ns2np5 
B) ns2 
C) ns1 
D) ns2np6(n -1)d6 
E) ns2np4 
2) Which of the following is the electron configuration for the bromide ion? 2) A) [Kr]5s24d105p7 
B) [Xe] C) [Kr] D) [Ar] E) [Ar]4s23d104p7 
3) Valence electrons are electrons located 3) A) in the out...
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Chem 1311- Exam 2 (Chapters 4,10,5) Questions With Complete Solutions
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Types of Electrolytes: correct answer: -strong: SOLUBLE & IONIC 
-weak: SOLUBLE & MOLECULAR 
-non-electrolytes: INSOLUBLE 
 
Solubility Rules correct answer: 1. Group 1A Metals (Li+, Na+, K+, etc.) 
2. Ammonium (NH4+) 
3. Nitrate (NO3-) 
4. Acetate (C2H3O2-) or (CH3COO-) 
5. Hydrogren Carbonate (HCO3-) 
6. Chlorate (ClO3-) 
7. Perchlorate (ClO4-) 
8. Halogens (Cl-, Br-, I-) EXCEPT W/ (Ag+, Pb2+, Hg2^2+) 
9. Sulfate (SO4^2-) EXCEPT W/ (Ag+, Pb2+, Ca2+, Sr2+, Ba2+) 
 
Insolubility Rules correct ...
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CHEM 1311 4a Exam Questions with Correct Answers
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CHEM 1311 4a Exam Questions with Correct Answers 
 
What is the hybridization of the nitrogen atom NH3? 
 
a. sp 
b. sp2 
c. sp3 
d. sp3d 
e. sp3d2 - Answer-c. sp3 
 
The valence shell is 
 
a. the highest energy level occupied by electrons 
b. the set of orbitals used to make triple bonds 
c. the orbitals belonging to the entire molecule 
d. the lowest energy level occupied by electrons 
e. the hard covering on crustaceans - Answer-a. the highest energy level occupied by electrons 
 
What is t...
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Chem 1311 17F Exam 1 UTD Definitions and trends Questions With Complete Solutions
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Atom correct answer: Smallest quantity of matter that retains the properties of matter. Building blocks of all matter 
 
Element correct answer: A substance made up of a single type of atom. 
 
α Particle correct answer: A positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay or nuclear fission. 
 
β Particle correct answer: High-speed electron, especially emitted in radioactive decay 
 
γ Rays correct answer: high-energy electromagnetic rad...
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Chem 1311 Exam 3 ACC Professor Rahman 2023 with 100% correct answers
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A __________ ΔH corresponds to an __________ process. 
 
-zero, endothermic 
-positive, exothermic 
-negative, endothermic 
-zero, exothermic 
-positive, endothermic correct answerspositive, endothermic 
 
Which one of the following is NOT considered a fossil fuel? 
 
-natural gas 
-hydrogen 
-anthracite coal 
-petroleum 
-crude oil correct answershydrogen 
 
Which one of the following statements is FALSE? 
 
-The enthalpy change for a reaction is equal in magnitude, but opposite in si...
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