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Chem 111, Chapter 1 – 2 Questions with Complete Solutions
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What is the SCIENTIFIC METHOD? Correct Answer-Is a step by step procedure to provide consistency when doing research 
 
What are the steps of the SCIENTIFIC METHOD Correct Answer-1. Ask a Q 
2. Get more Information 
3. Propose an Explanation 
4. Test w/ Experiments 
5. Analyze experimental findings 
6. If your orginal is untrue, propsose alternative explanation. 
 
Qualitative data Correct Answer-Data Consisting general observations 
 
Quantitative data Correct Answer-Date consisting of various ...
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CHEM 111 QUIZ 1 Questions with Complete Solutions
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Two characteristics of Matter Correct Answer-Mass and Volume 
 
Scales of Matter Correct Answer-1. Macroscopic 
2. Microscopic 
3. Particulate 
 
Physical Property Correct Answer-When an atom or molecule doesn't change 
-color, taste, melting and boiling point, odor, density 
 
Chemical Property Correct Answer-When the atom or molecules react and the composition of matter changes 
-flammability, acidity, oxidation, corrosiveness 
 
Dalton's Atomic Theory Correct Answer-1. each element is made...
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Chem 111 Lab Questions with Complete Solutions.
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Which of the following pieces of equipment is not used in the experiment to measure the relationship between pressure and volume? Correct Answer-an Erlenmeyer flask 
 
Which of the following statements is/are true? 
1.Gases are easily compressed compared to other states of matter. 
2.Gases expand to fill the volume of their container. 
3.All gases that exist in real life are considered to be ideal gases. 
4.Molecules of different gases readily mix with one another. Correct Answer-1,2, and 4 
 
I...
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Chem 111 final Questions with Complete Solution
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Define Calorimetry Correct Answer-Determining the changes in energy of a system by measuring the heat exchanged with the surroundings 
 
Know how to calculate amount of energy released using E=mc(delta)T Correct Answer-E=energy, m=mass, c=specific heat, (delta T)=change in temp 
 
What is meant by a small calorie "c" and a food calorie "C"? Correct Answer-c=1 calorie=4.184 J, C=1000 little calories=4184 J 
 
When walking, an average person burns .453 C/(mile*pounds). How many C does a 150-po...
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Chemistry 111 Chapter 6 Questions with Complete Solutions
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Thermodynamics Correct Answer-the study of energy and its transformations 
 
potential energy Correct Answer-energy stored due to an object's position or arrangement 
 
kinetic energy Correct Answer-the energy an object has due to its motion 
 
Transfer of energy Correct Answer-occurs when one object gives some or all of its energy to another object. Appears as work (force w) or heat (friction q) 
 
Define the surroundings and system Correct Answer-system--> part we focus one 
 
surr.--> ...
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Chemistry 111 Final Exam Questions with Complete Solutions
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Scientific Notation 
6.2*10^4= Correct Answer-62,000 
 
1 Liter=___mL Correct Answer-1000 mL 
 
1 meter=___km Correct Answer-0.001km 
 
1gram=___kg Correct Answer-0.001kg 
 
Density= Correct Answer-mass/volume 
 
Kelvin= Correct Answer-C+273 
 
Valence Electrons 
Neutral= Correct Answer-group # 
 
Valence Electrons 
Charged= Correct Answer-(group#)-(charge) 
 
pure substance (example) Correct Answer-water, sugar, ethanol
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CHEM 111 Final Exam Questions with Complete Solutions
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Know your significant figure rules Correct Answer-ALL zeroes between non-zero numbers are ALWAYS significant. 
ALL zeroes which are SIMULTANEOUSLY to the right of the decimal point AND at the end of the number are ALWAYS significant. 
ALL zeroes which are to the left of a written decimal point and are in a number >= 10 are ALWAYS significant. 
 
define calorimetry Correct Answer-the act of measuring heat required or evolved during a chemical process 
 
know how to calculate the amount of ener...
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Chem 111 Study Guide Questions With Complete Solutions
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sig fig zeros Correct Answer-1. zeros at beginning NOT signif 
2. zeros between ARE SIGNIF 
3. zeros at end of number are signif if number contains a decimal point 
 
3.489 x (5.67-2.3) Correct Answer-3.489 x 3.(3)7 
11.75793 
12 
 
matter Correct Answer-composed of mass and must occupy space 
 
scales of matter Correct Answer-macroscopic, microscopic, particulate. scientists think on a particulate scale, observe macroscopically 
 
states of matter Correct Answer-1. change from solid to liquid t...
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CHEM 111 TEST QUESTIONS with Complete Solutions
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EXAM 1 Correct Answer- 
 
As part of the calibration of a new laboratory balance, a 1.000 g mass is weighed with the following results: 
Trial 1: 1.201 +/- 0.001 
Trial 2: 1.202 +/- 0.001 
Trial 3: 1.200 +/- 0.001 
The balance is: Correct Answer-Precise but inaccurate 
 
______ are substances with constant composition that can be broken down into elements by chemical processes. Correct Answer-compounds 
 
Which of the following is not a unit in the SI system? Correct Answer-calorie 
 
A species ...
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Chemistry 111 Exam 1 Questions with Complete Solutions
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what determines the chemical properties of atoms/molecules? Correct Answer-# of protons 
how element is bonded//what it's bonded to 
 
Celsius + x = Kelvin. What value is x? Correct Answer-273 
 
atomic number is Correct Answer-number of protons 
 
Coulomb's Law Correct Answer- 
 
acids Correct Answer-hydrogen containing substances that react with water to produce a hydrated hydrogen ion 
 
bases Correct Answer-produce OH⁻ ions when dissolved in water 
 
Carboxylic acids Correct Answer-compo...
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