Chem 1111 Study guides, Class notes & Summaries
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CHEM 1110 FINAL EXAM
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density formula -d = m/v 
 
m = mass 
v = volume 
 
temp conversions -K = C + 273 
 
C = 5/9 (F - 32) 
 
F = (C x 9/5) + 32 
 
average atomic mass formula -(mass A)(% abundance) + (mass B)(% abundance) 
 
molecular mass formula -(mass A)(# of atoms A) + (mass B)(# of atoms B) 
 
mass of element formula -(mass of element in sample / total mass of sample) * 100 
 
molarity with moles formula -M = n/v 
 
M = molarity 
n = moles of solute 
v = liters of solution 
 
molarity with mass formula -(M)(m...
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CHEM 1116 written exam update questions and answer 2024 Santa Monica College
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CHEM 1116 written exam update questions and answer 2024 Santa Monica College
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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 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 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 EXAM 4 COMPLETE QUESTIONS AND ANSWERS 2024
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CHEM 111 EXAM 4 COMPLETE QUESTIONS AND ANSWERS 2024
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chem 111 study guide Already Graded A+
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sig fig zeros - 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) - Answer-3.489 x 3.(3)7 
11.75793 
12 
matter - Answer-composed of mass and must occupy space 
scales of matter - Answer-macroscopic, microscopic, particulate. scientists think on a particulate 
scale, observe macroscopically 
states of matter - Answer-1. change from solid to liquid to gas as temp increases 
2. motion of...
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Chem 111 Exam 1 Questions + Answers Graded A+
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Mass - Answer-kilogram (kg) 
length - Answer-meter (m) 
Time - Answer-Seconds (s) 
Temperature - Answer-Kelvin (K) 
Amount of substance - Answer-mole (mol) 
Electric Current - Answer-ampere (A) 
Luminous intensity - Answer-candela (cd) 
Mega - Answer-1,000,000 or 10^6 
Kilo - Answer-1,000 or 10^3 
Deci - Answer-0.1 or 10^-1 
Centi - Answer-0.01 or 10^-2 
Milli - Answer-0.001 or 10^-3 
Gas - Answer-No fixed volume or shape conforms to the container it's in. Molecules relatively far 
apart, move ...
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CHEM 111 A Cycle of Chemical Reactions of Copper Lab Report University Of Chicago 2024-2025
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CHEM 111 A Cycle of Chemical Reactions of Copper Lab Report University Of Chicago
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CHEM 1110 Exam 2 Study Guide with complete solutions 100%2023
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CHEM 1110 Exam 2 Study Guide with complete solutions 100%2023
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