Chem 111 - Study guides, Class notes & Summaries
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Chem 111- Exam 1 review Questions with 100% Correct Answers
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physical vs. chemical change - Answer-physical- does not change the substance. 
change in matter but nor chemical composition 
chemical- substance is changed. 
energy is absorbed or released. 
one or more substances being used 
solid - Answer-often rigid with definite shape 
gas - Answer-fills container and is easily comressed 
liquid - Answer-flows and takes shape of container, has a op surface 
2 types of mixtures - Answer-heterogeneous- not uniform through out mixture 
homogeneous- uniform th...
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Chem 111 Lab Questions with Complete Solutions.
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Chem 111 Lab Questions with Complete Solutions.
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Chem 111 Study Guide Questions With Complete Solutions.
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Chem 111 Study Guide Questions With Complete Solutions.
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Chem 111 Exam 1 Review Practice Exams (Questions & Answers) Rated 100% Correct!!
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What is the wavelength in meters of green light with a frequency of 5.75 × 1014 s−1? 
(a) 5.22 × 10−7 m 
(b) 1.92 × 106 m 
(c) 1.92 × 108 m 
(d) 1.73 × 1023 m - Answer-(a) 5.22 × 10−7 m 
What is the energy of a photon having a wavelength of 900 nm? 
(a) 3.33 × 1014 J 
(b) 2.21 × 10−19 J 
(c) 1.79 × 10−31 J 
(d) 5.96 × 10−40 J - Answer-(b) 2.21 × 10−19 J 
Which light has the highest energy? 
(a) 700 nm, red light 
(b) 575 nm, yellow light 
(c) 475 nm, blue light 
(d) 400 ...
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Chem 111 Final Exam Questions With All Correct Answers!!
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Calorimetry - Answer-science of measuring heat 
Calculate amount of energy released using E=mc(dT) - Answer-Energy released= (mass of water 
heated)x(specific heat of water)(temp. change) specific heat=1.0 cal/gC 1 Cal=1000 cal 
What is meant by small calorie "c" and food calories "C"? - Answer-"c" is a scientific calorie which is 
the energy required to rise the temp of 1 gram of water by 1C 
"C" is 1000 scientific calories-Food Calories 
When walking, an average person burns 0.453 Food...
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CHEM 111 (test 1) Study Guide Questions With Complete Solutions
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CHEM 111 (test 1) Study Guide Questions With Complete Solutions
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CHEM 111 QUIZ 1 Questions with Complete Solutions.
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CHEM 111 QUIZ 1 Questions with Complete Solutions.
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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 (test 1) Study Guide
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solids Correct Answer-particles are close and organized, fixed shape 
 
liquids Correct Answer-particles are close but unorganized, varying shape 
 
gas Correct Answer-particles are far apart and unorganized, varying shape 
 
physical changes Correct Answer-done alone. ex: melting point, density, electrical conductivity (ice berg) 
 
chemical changes Correct Answer-interaction with another substance. ex: chemical reaction/change, flammability, solubility 
 
mass unit Correct Answer-kg 
 
time un...
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Chem 111, Chapter 1 – 2 Questions with Complete Solutions
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Chem 111, Chapter 1 – 2 Questions with Complete Solutions
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