Sig figs chem
[DOC File]IB Chemistry—IA Checklist
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uncertainty in headers after units. Absolute uncertainties expressed to 1 sig fig. align decimals all values in a column must end at the same decimal place uses significant figures mean contains one more digit than significant figures in values percentage or relative uncertainties should have 2 sig figs. Table units
[DOC File]Scientific Notation Worksheet
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Chem Chp 3 Study Guide--How many sig figs are in each of the following examples: A. 926.9. B. 707. C. 123.06 D. 0.0402. E. 0.82610. F. 338.00--Solve the problems below keeping in mind the rules for each operation. --Round the following numbers to A) 1 B) 2 C) 3 significant figures. 15. 0.6824 A) B) C) ...
[DOC File]2009-10 Chemistry 1st Semester Final Exam Topics and ...
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3459.23 to 3 sig figs c. 2.0104 to 4 sig figs. d. 0.853479 to 4 sig figs e. 49673.56 to 4 sig figs f. 0.00256 to 1 sig fig. Math with Significant Figures: Calculate each with the correct amount of significant figures. a. 5.2 x 1.00 = b. 6.3489 + 7.7 = c. (3.4 x 103) – (2.1 x 102) = 8.940 / 2.39 = e. ...
[DOC File]Chemistry Test Review Sheet – Chapters 10 & 11
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****ALL ANSWERS MUST INCLUDE THE PROPER UNITS & SIG FIGS.**** SOLVE THE FOLLOWING MOLAR CONVERSION & MOLARITY PROBLEMS: How many grams would 8.1 ( 1021 molecules of sucrose (C12H22O11) weigh? How many grams of AgNO3 are required to make 25 mL of a 0.80M solution? How many moles are in 53.8 g of magnesium chloride?
[DOC File]Unit Conversions - Scientific Notation and Significant Digits
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Virtual Lab: Scientific Notation and Sig Figs Name: _____ Vocabulary: resolution, scientific notation, significant digits. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Philip measures a room using his feet. (His feet are each about a foot long.) He estimates the room measures about ten and a half feet by thirteen and a half feet.
[DOCX File]UCF Study Union 2020
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Chem 1A Study Review. Know your sig-figs! Sig fig rules can be found in Chapter 1, Part 5! Molecules can be described as: mixtures of two or more pure substances. mixtures of two or more elements that have a specific ratio between components. two or more atoms chemically joined. together
[DOC File]NAME
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How do you know how many sig figs should be in a measurement? It is determined by the instrument used to make the measurement plus one extra number that is estimated. Count the number of sig figs in the following measurements. 2390 3. d. 120 2. 0.00987 3. e. 4,900 2. 0.03056 4. f. 300 1. Express the following values in 4 sig figs. a. 56 56.00 ...
[DOC File]Chem 1A Test 2 - College of Alameda
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Chem 1A Test 2. Sept. 16, 2005. Show all work. Also take care in propagating uncertainty via sig. figs. Gasoline is a complex mixture of hydrocarbons of which one …
[DOC File]Practice Worksheet for Significant Figures
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AP Chem: Practice_Sig Figs Name: _____ Title: Practice Worksheet for Significant Figures Author: behhodi Last modified by: Schneider, Eleonor LHS - Staff Created Date: 9/7/2015 9:51:00 PM Company: behhodi Other titles: Practice Worksheet for Significant Figures ...
[DOC File]Experiment #1 – Measurements
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2.07 mL has 3 sig figs. Zeros beyond the decimal point at the end of a number are significant. 6.00 mL has 3 sig figs. Zeros preceding the first nonzero digit in a number are not significant. 0.0341 g has 3 sig figs. The number of sig figs is the number of digits shown when the …
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