Popular courses 'Chem 103' at Chem 103
Chem 103 Study guides, Class notes & Summaries
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Chem 103 Quiz 2
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CHEM 103 MODULE 1 TO 6 EXAM LATEST 2022-2023 QUESTIONS & CORRECT ANSWERS PORTAGE LEARNING|COMPLETE AGRADE
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CHEM 103 MODULE 1 TO 6 EXAM LATEST 2022-2023 
QUESTIONS & CORRECT ANSWERS PORTAGE 
LEARNING|COMPLETE AGRADE
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Chem 103 Exam 5 Questions & Answers 100% Accurate!!
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Chem 103 Exam 5 Questions & Answers 100%enzyme - ANSWERincrease rate of section behaving as a catalyst 
subgroup of protein 
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Chem 103 Exam 1Questions & Answers 100% Correct!!
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Chem 103 Exam 1Questions & Answers 100% Correct!! 
 
What is chemistry? - ANSWERChemistry is the study of the physical and compositional changes of matter. 
 
 Chemistry is called the Central Science. 
 
 Many health related areas of study are based on Chemistry. 
 
Matter - ANSWERMatter is anything that has mass, occupies space and is made-up of atoms or parts of atoms. 
 
Mass - ANSWER-Mass is a measure of the amount of matter in an object. 
-Mass is independent of the location of an object. 
...
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Chem 103 Questions & Answers 100% Accurate!!
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Chem 103 Questions & Answers 100% Accurate!! 
1 inch - ANSWER2.54 cm
Make study stress less painful
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Chem 103 Module 6 Exam Questions & Answers 100% Accurate!!
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Chem 103 Module 6 Exam Questions & Answers 100% Accurate!! 
 
 
calorie (cal) - ANSWERunit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius; 1 cal is defined as 4.184 J 
 
endothermic process - ANSWERchemical reaction or physical change that absorbs heat 
 
energy - ANSWERthe capacity to supply heat or do work 
 
exothermic process - ANSWERchemical reaction or physical change that releases heat
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CHEM 103 - Module 5 Exams 100% Accurate!!
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CHEM 103 - Module 5 Exams 100% Accurate!! 
 
 
ionic bonds - ANSWERtwo oppositely charged ions (2Na + Cl₂ = 2Na⁺+2Cl⁻) 
 
metals tend to ______ electrons - ANSWERlose 
 
nonmetals tend to ______ electrons - ANSWERgain 
 
covalent bonds - ANSWERshare at least one pair of electrons so both atoms have 8 valence electrons 
 
2 types of covalent bonds - ANSWERpolar, nonpolar 
 
polar covalent bond - ANSWERunequal sharing of electrons, difference in electronegativity 0.5-1.6 
 
nonpolar covalent...
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CHEM 103 Final Exam 100% Accurate!!
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CHEM 103 Final Exam 100% Accurate!! 
Which of the following is an example of a physical property? 
a. Ability to change color 
b. Flammability 
c. Density 
d. Solubility 
 
Exam 1 - ANSWERc. Density 
 
Which of the following is evidence of a chemical change? 
a. Releasing bubbles of gas 
b. Floating in water 
c. Crystallization 
d. Vaporization 
e. None of the above 
 
Exam 1 - ANSWERa. Releasing bubbles of gas 
 
According to the metric system, 1 m = 0.001 what? 
a. cm 
b. mm 
c. dm 
d. km 
e. ...
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Chem 103 Exam 5 Questions & Answers 100% Correct!
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high pH - ANSWERbasic = more OH 
 
low pH - ANSWERacidic= more H 
 
pH greater than PI 
 
pH=PI 
 
PI greater than PH - ANSWER-1 
 
0 
 
+1 
 
isomer - ANSWERsame but different order and structure 
 
enzyme - ANSWERincrease rate of section behaving as a catalyst 
subgroup of protein 
 
catalyst - ANSWERdecreases activation energy 
 
lock key 
vs. 
induced fit - ANSWERgoes straight in 
 
takes shape of substrate 
 
competitive
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Chem 103 Exam 1Questions & Answers 100% Accurate!
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What is chemistry? - ANSWERChemistry is the study of the physical and compositional changes of matter. 
 
 Chemistry is called the Central Science. 
 
 Many health related areas of study are based on Chemistry. 
 
Matter - ANSWERMatter is anything that has mass, occupies space and is made-up of atoms or parts of atoms. 
 
Mass - ANSWER-Mass is a measure of the amount of matter in an object. 
-Mass is independent of the location of an object. 
-An object on the earth has the same mass as the same...
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Chem 103 Questions & Answers 100% Correct!
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1 inch - ANSWER2.54 cm 
 
1 mL - ANSWER1 cm^3 
 
milli - ANSWER10^-3 
 
micro - ANSWER10^-6 
 
nano - ANSWER10^-9 
 
centi - ANSWER10^-2 
 
1 cal - ANSWER4.184 J 
 
1 Cal - ANSWER1000 cal 
 
1 mole - ANSWER6.02 x 10^23 
 
1 atm - ANSWER760 mmHg, 760 torr, 101,325 Pa 
 
Density - ANSWERmass/volume 
 
T(K) - ANSWERT(C) + 273 
 
T(C) - ANSWER(T(F)-32)/1.8 
 
heat of reaction - ANSWERq=mct
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CHEM 103 Final Exam 100% Correct!
- Exam (elaborations) • 11 pages • 2024
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Which of the following is an example of a physical property? 
a. Ability to change color 
b. Flammability 
c. Density 
d. Solubility 
 
Exam 1 - ANSWERc. Density 
 
Which of the following is evidence of a chemical change? 
a. Releasing bubbles of gas 
b. Floating in water 
c. Crystallization 
d. Vaporization 
e. None of the above 
 
Exam 1 - ANSWERa. Releasing bubbles of gas 
 
According to the metric system, 1 m = 0.001 what? 
a. cm 
b. mm 
c. dm 
d. km 
e. None of the above 
 
Exam 1 - ANSWERd...
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