Sig figs Study guides, Class notes & Summaries
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Chemistry Final ACS Exam Questions and Answers(A+ Solution guide)
- Exam (elaborations) • 8 pages • 2023
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Accuracy? - Closeness of measurements to the TRUE VALUE of what is being measured 
Precision? - Closeness of a SET of measurements 
How do you calculate Percent Error? - I experimental-accepted I 
____________________ x 100 
accepted value 
Are zeros infront of non-zero digis significant? - Nope! 
ex: 0.0071 is only 2 sig figs 
Are zeros at the end of a number and to the right of the decimal significant? - Yep! 
ex: 9.100 is 4 sig figs 
Addition/Subtraction in regards to sig figs? - Round number...
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IRSC Chem test 1 questions & answers 2024/2025
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IRSC Chem test 1 questions & answers 2024/2025 
 
 
All digits 1-9 are - ANSWERSsignificant 
 
leading zeros are - ANSWERSnot significant 
 
Captive zeros (0's between digits) are - ANSWERSsignificant 
 
trailing 0's - ANSWERSare significant at the end of a # only if the # contains a decimal point 
 
.03070 How many Sig fig ? - ANSWERS4 
 
500 
how many sig figs? - ANSWERS1 
 
500.01 sig fig ? - ANSWERS4 
 
1 meter = ____ mm - ANSWERS1000 mm 
 
1 meter = ____ centimeters - ANSWERS100 centimete...
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ALEKS Modules 1-7 (A+ Guaranteed)
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Fahrenheit Equation correct answers Tf=(Tc x 9℉/5℃) + 32℉ 
 
Celsius Equation correct answers Tc= 5℃/9℉ (Tf - 32℉) 
 
More Equations correct answers Ep=h x v 
c=weird symbol x v 
 
Average Velocity of a Gas Particle correct answers Vrms = square root (3RT/MM) 
 
R= gas law constant 
T= temperature 
MM= molar mass of gas particles 
 
Base for log correct answers It is 10 
10^5 
log10(100,000)=5 
 
Base for ln correct answers e 
Euler's number 
 
Rules for Counting Significant Figure...
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Chemistry 1212 Lab Final Exam Complete Questions and Answers
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Chemistry 1212 Lab Final Exam 
Complete Questions and Answers 
Introductory Lab - CORRECT ANSWER-Purpose: Review of sig figs, slope formula (Y2- 
Y1/X2-X1); percent error formula ([Accepted-Experimental (/) Accepted] x 100%); 
rounding, scientific notation, & excel. 
Procedure: Measured various objects for circumference (C=2πr) and diameter (2r), then 
produced a graph comparing the two factors. 
Results: N/A 
Significant Figure Rules - CORRECT ANSWER-1. All non-zeros are significant. 
Ex: ...
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Chemistry Final ACS Exam 2024
- Exam (elaborations) • 5 pages • 2023
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Accuracy? - Closeness of measurements to the TRUE VALUE of what is being measured 
 
Precision? - Closeness of a SET of measurements 
 
How do you calculate Percent Error? - I experimental-accepted I 
____________________ x 100 
 accepted value 
 
Are zeros infront of non-zero digis significant? - Nope! 
ex: 0.0071 is only 2 sig figs 
 
Are zeros at the end of a number and to the right of the decimal significant? - Yep! 
ex: 9.100 is 4 sig figs 
 
Addition/Subtraction in regards to sig figs? ...
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ACS Chemistry Final Exam 2023 with 100% correct answers
- Exam (elaborations) • 8 pages • 2023
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Accuracy? - correct answer Closeness of measurements to the TRUE VALUE of what is being measured 
 
Precision? - correct answer Closeness of a SET of measurements 
 
How do you calculate Percent Error? - correct answer I experimental-accepted I 
____________________ x 100 
 accepted value 
 
Are zeros infront of non-zero digis significant? - correct answer Nope! 
ex: 0.0071 is only 2 sig figs 
 
Are zeros at the end of a number and to the right of the decimal significant? - correct an...
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Chemistry Final ACS Exam (2024) A+ Graded.
- Exam (elaborations) • 5 pages • 2023
- Available in package deal
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- $10.99
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Accuracy? correct answers Closeness of measurements to the TRUE VALUE of what is being measured 
 
Precision? correct answers Closeness of a SET of measurements 
 
How do you calculate Percent Error? correct answers I experimental-accepted I 
____________________ x 100 
 accepted value 
 
Are zeros infront of non-zero digis significant? correct answers Nope! 
ex: 0.0071 is only 2 sig figs 
 
Are zeros at the end of a number and to the right of the decimal significant? correct answers Yep! 
ex...
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ACS Final Exam Questions With 100% Correct Answers 2024
- Exam (elaborations) • 34 pages • 2024
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ACS Final Exam Questions With 100% Correct Answers 2024
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chem 120 final exam study guide| 127 Questions| With Complete Solutions
- Exam (elaborations) • 11 pages • 2023
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chemistry correct answer: the science that tries to understand how matter behaves by studying how atoms and molecules behave 
 
scientific method correct answer: ways of learning that emphasizes observation and experimentation (self correcting) 
 
observation correct answer: we go out in nature and ask questions we measure or observe some aspect of nature 
 
hypothesis correct answer: tentative interpretation of an observation 
 
law correct answer: summarizes a large number of observations...
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PRAXIS CRAM - BIOLOGY 5236 Exam Questions With 100% Correct Answers
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PRAXIS CRAM - BIOLOGY 5236 Exam 
Questions With 100% Correct Answers 
Pros of stem cell research - answerCuring genetic diseases 
Growing skin for burn victims 
Growing new organs 
Cons of stem cell research - answerHarvesting embryonic stem cells kills the embryo, what 
constitutes a viable embryo? 
Cons of genetically modified foods - answerMan should not interfere, allergens, 
modifications not contained-could pass in to wild species 
Cons of cloning - answer- reduced gene pool 
- animals les...
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