Sig figs Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Sig figs? On this page you'll find 231 study documents about Sig figs.
Page 4 out of 231 results
Sort by
![Chem 111- Exam 1 review Questions with 100% Correct Answers](/docpics/4760276/65f5dbd2ce9bd_4760276_121_171.jpeg)
-
Chem 111- Exam 1 review Questions with 100% Correct Answers
- Exam (elaborations) • 15 pages • 2024
- Available in package deal
-
- $8.39
- + learn more
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...
![Chemistry Final ACS Exam 75 Questions with Verified Answers,100% CORRECT](/docpics/5352539/6648fe17d3d39_5352539_121_171.jpeg)
-
Chemistry Final ACS Exam 75 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 7 pages • 2024
-
- $11.39
- + learn more
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...
![PRAXIS CRAM - BIOLOGY 5236 Exam Questions With 100% Correct Answers](/docpics/5339657/6647aa70e5f56_5339657_121_171.jpeg)
-
PRAXIS CRAM - BIOLOGY 5236 Exam Questions With 100% Correct Answers
- Exam (elaborations) • 25 pages • 2024
-
- $12.49
- + learn more
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...
![Chemistry Exam 1 (Chapters 1-4) Solved 100% Correct](/docpics/3654986/653169cf52d2a_3654986_121_171.jpeg)
-
Chemistry Exam 1 (Chapters 1-4) Solved 100% Correct
- Exam (elaborations) • 5 pages • 2023
-
- $10.49
- + learn more
Chemistry - ANSWER-The Study of Matter 
 
Matter - ANSWER-Anything that occupies spaces and has mass 
 
How do Chemists Study Matter? - ANSWER-The Scientific Method 
 
Steps of The Scientific Method - ANSWER-Observation 
Hypothesis 
Experiments 
 
Theory - ANSWER-is an explanation of why 
 
Law - ANSWER-is a summary of observations that are true 
 
Volume - ANSWER-Measure of the amount of 3-D space occupied by a substance 
 
Classes of zeros - ANSWER-Leading, Captive, and Trailing 
 
Leading Zer...
![Chemistry 1212 Lab Final Exam Complete Questions and Answers](/docpics/5481170/6657b5cea38c7_5481170_121_171.jpeg)
-
Chemistry 1212 Lab Final Exam Complete Questions and Answers
- Exam (elaborations) • 8 pages • 2024
- Available in package deal
-
- $11.49
- + learn more
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: ...
![chem 121 study guide exam 1 updated Rated 100% Correct!!](/docpics/4809596/65fd3f750ca54_4809596_121_171.jpeg)
-
chem 121 study guide exam 1 updated Rated 100% Correct!!
- Exam (elaborations) • 5 pages • 2024
- Available in package deal
-
- $7.99
- + learn more
Hypothesis vs Theory vs Law - Answer-Hypothesis: If, then, because 
Law: Statement or equation about a relationship 
- ex: force = mass * gravity 
Theory: Explains why a law exists 
Law of Conservation of Mass - Answer-Mass is always constant 
- Reactant mass = Product mass 
They are used (upheld) in chemical equations 
Three common states of matter and their characteristics - Answer-- Solid (s): color 
- Liquid (aq): melting point, solubility 
- Gas (g): 
Difference between Elements, Compounds,...
![CHEM-C125 ASSESSMENT TEST QUESTIONS WITH CORRECT ANSWERS CHEM-C125 ASSESSMENT TEST QUESTIONS WITH CORRECT ANSWERS](/docpics/5130937/662e3432d47d2_5130937_121_171.jpeg)
-
CHEM-C125 ASSESSMENT TEST QUESTIONS WITH CORRECT ANSWERS CHEM-C125 ASSESSMENT TEST QUESTIONS WITH CORRECT ANSWERS
- Exam (elaborations) • 23 pages • 2024
-
- $18.49
- + learn more
CHEM-C125 ASSESSMENT TEST QUESTIONS WITH CORRECT ANSWERS 
 
A solid sample contains both NaOH and NaCl. 0.500 g of this solid sample was dissolved in water to make a 20.0 mL solution and then this solution was titrated by 0.500 mol/L HCl solution. If 22.5 mL of HCl was used to reach the end point, what is the mass % of NaOH in the original solid sample? 
NaOH + HCl --> NaCl + H2O - Answer- 90 
 
During titration, it is very common to have some NaOH spilled to the inside wall of Erlenmeyer fl...
![Chem 120 Exam 1| 64 Questions| With Complete Solutions](/docpics/3408607/64fce14b95da7_3408607_121_171.jpeg)
-
Chem 120 Exam 1| 64 Questions| With Complete Solutions
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
-
- $10.49
- + learn more
SI unit for Temperature correct answer: C 
 
F correct answer: (9/5 C) + 32 
 
C correct answer: 5/9 (F -32) 
 
K correct answer: C+273.15 
 
density correct answer: mass/volume 
 
1 mL correct answer: =1cm^3 = 1cc 
 
percent error correct answer: difference from known value/known value x 100 
 
sig fig for Addition/Subtraction correct answer: answer has the same number of decimal places as the factor with the least amount of decimal places 
 
sig fig rules for multiplication/ division c...
![Chemistry Final ACS Exam |Question and Answer| 100% Correct 2024/2025](/docpics/5418700/664fa44d5bcfb_5418700_121_171.jpeg)
-
Chemistry Final ACS Exam |Question and Answer| 100% Correct 2024/2025
- Exam (elaborations) • 10 pages • 2024
- Available in package deal
-
- $8.99
- + learn more
Chemistry Final ACS Exam |Question 
and Answer| 100% Correct 2024/2025 
Accuracy? *Ans* Closeness of measurements to the TRUE VALUE of what is being 
measured 
Precision? *Ans* Closeness of a SET of measurements 
How do you calculate Percent Error? *Ans* I experimental-accepted I 
____________________ x 100 
accepted value 
Are zeros infront of non-zero digis significant? *Ans* 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?...
![CHEM 207 REVIEW EXAMS QUESTIONS AND ANSWERS](/docpics/637792f3c7a40_2116277.jpg)
-
CHEM 207 REVIEW EXAMS QUESTIONS AND ANSWERS
- Exam (elaborations) • 12 pages • 2022
-
- $9.49
- 1x sold
- + learn more
CHEM 207 
REVIEW EXAMS QUESTIONS AND ANSWERS 
 
Practice questions for the exam with solutions. For you to do well on the exam, please work on the questions before looking at the solutions. If you find an error, let me know so I can let everyone know. REMEMBER THE EXAM IS ON Monday, Sept 28th on Top Hat. The exam will have 20 questions and only one hour. Studying the lecture ppts and lecture questions would also be helpful. 
Lecture 1A questions: Density and stat analysis, Q and T tables, % Tole...
![Verkoop je kennis op stuvia](https://www.stuvia.com/hosted-imgs/app/stock-fotos/banner_seller_big.jpg)
How much did you already spend on Stuvia? Imagine there are plenty more of you out there paying for study notes, but this time YOU are the seller. Ka-ching! Discover all about earning on Stuvia