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[DOC File]Significant Figures Practice Worksheet
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Sig Figs. Rule for . Addition & Subtraction = Least number of . decimal places (highest value) Perform the following calculations and round according to the rule above. 1) 8.20 + 2 = 2) 13.59 + 23.25 + 20 = 3) 42.828 + 67.4629 =

[DOC File]Dimensional Analysis WorkSheet - mrbartonsclassroom
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How many seconds old are you? (Express with 2 sig figs in scientific notation.) Convert your distance from school to home from miles to inches. (Express with 2 sig figs in scientific notation.) How many kilometers is it from your house to school? (Express with 2 sig figs in scientific notation.) A person’s weight is 154 pounds.

[DOC File]Lab 1 - Measuring Density
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Show all work. Volume = _____. Calculate the Density. Specimen Volume (cm3) Mass (grams) Density (gm/cm3) Even though both object have different shape and volume what did you observe about the density of the samples: _____ Unlike the mass and volume that may be different for each specimen, all objects made of the same material will have the ...

[DOC File]Phys1010 Homework 11 SIM Answer Key
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How does your antenna work to detect this electromagnetic signal produced when radio stations broadcast? Include the physics principles that support your description of how this signal is detected. 2) Using the simulation, adjust the transmitter so that it is in sinusoidal mode and the electrons are oscillating up and down at a regular frequency.

Molar Mass Practice Worksheet - OnCourse Systems
Solve the following conversions. Every number must have units. Write answers with correct number of sig figs. SHOW WORK. PART I: Moles to atoms or atoms to moles. 1) 2.25 moles of O to atoms of O. 2) 4.0×1023 molecules of H2O to moles of H2O. 3) 4.87x1024 Mg2+ ions to moles of Mg2+ ions. 4) 0.56 moles of SnCl4 to formula units of SnCl4

[DOCX File]Sig Figs, Scientific Notation and Conversions
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Sig Figs, and Scientific Notation . How to handle numbers without doing more work than you need to, or exaggerating how precisely you know something. This topic is deceptively simple, so heads up! 1. How many . sig figs (significant figures) are in each of the following quantities? In other words, how well do we know these numbers?

[DOC File]Chemistry Practice: Sig Figs
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Name_____ Sig Figs, Conversions, Density. Determine the number of sig figs in each of the numbers below: 452 2.081 0.000 0247 110.00 3.5 x103 9.010 x10-6 Round each number to the number of sig figs indicated (in parenthesis). 0.028107 (1) 0.005 (3) 5 x104 (2) …

[DOC File]Molarity Notes – H
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Practice Problems: SHOW ALL WORK AND USE PROPER SIG FIGS AND UNITS!!! Calculate the molarity of a solution made by dissolving 29.25g of NaCl in enough water to make 2.00 L of solution. Calculate the molarity of a solution made by dissolving 502g of ammonium nitrate in enough water to make 5.00 L of solution.

[DOC File]Worksheet 2-1 CALCULATOR PRACTICE
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One Sig Fig. Two Sig Figs. Three Sig Figs. Four Sig Figs. Five Sig Figs. Six Sig Figs WKS 2.2 - Rounding and Sig Figs (1 page) Above or next to each value in the problem, write the number of significant figures in the value. Next, write in the blank the number of …

[DOC File]pH and pOH Calculations Worksheet
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Show your work and use correct sig. figs. pH pOH. 1. A 0.023 M solution of hydrochloric acid. 2. A 6.6 x 10 -6 M solution of nitric acid. 3. A 0.0334 M solution of potassium hydroxide. 4. A 1.0 x 10 -5 M solution of hydroarsenic acid. 5. A 2.23 x 10 -2 M solution of aluminum hydroxide. 6. A 0.000901 M solution of magnesium hydroxide ...

How to sig figs work