Sig figs Study guides, Class notes & Summaries
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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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Chem 1110 TOP Study Guide Questions and CORRECT Answers
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How many Sig Figs in 0.008202 - 4 
How many sig figs would be in the answer of 6.6 multiplied by 3.56007 - 2 
How can we calculate the number of neutrons? - Number of neutrons = mass number 
(A) - number of protons/ atomic number (Z) 
How can we calculate the atomic charge? - Atomic charge= number of protons- number 
of electrons 
Avogadro's number - 6.022 x 10^23. The number of particles in exactly one mole of a 
pure substance 
atomic mass unit (amu) - one twelfth the mass of a carbon-12 a...
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Chemistry 1331 UPDATED Exam Questions and CORRECT Answers
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True value - The accepted value for a measurement accomplished by repeating 
measurement or theoretically from first principles 
Accuracy - How close a measurement is to the true value 
Precision - How well multiple measurements agree with one another 
Least sig figs - Rules for mathematical operations: 
When multiplying or dividing the answer always has the same number of sig figs as the 
calculation with the _____ 
Least decimal places - Rules for mathematical operations: 
When adding or sub...
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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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IB Physics SL Definitions (2023)
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IB Physics SL Definitions 
(2023) 
Precision - Answer-A measurement is said to be precise if it has little random errors 
Accuracy - Answer-A measurement is said to be accurate if it has little systematic errors 
Random Errors - Answer-A random error, is an error which affects a reading at random. 
Systematic Errors - Answer-A systematic error, is an error which occurs at each 
reading. 
Sig Figs (x or /) - Answer-use least # of sig figs 
Sig Figs (+ or -) - Answer-use least # of decimal places...
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chem 121 study guide exam 1 updated 2024 with 100% complete solutions
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chem 121 study guide exam 1 updated 2024 with 100% complete solutions
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PRAXIS CRAM - BIOLOGY 5236 Exam Questions With 100% Correct Answers
- Exam (elaborations) • 25 pages • 2024
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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...
-
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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Chemistry Final ACS Exam 75 Questions with Verified Answers,100% CORRECT
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Chemistry Final ACS Exam 75 Questions with Verified Answers 
 
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...
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