'Sig fig' presentation slideshows

Significant Figures and Measurement Geneva High School

Significant Figures and Measurement Geneva High School. Exact & Measured Numbers. There are 2 different types of numbers Exact Measured Measured number = they are measured with a measuring device so these numbers have ERROR. Also, we all read measuring instruments slightly differently.

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Sig Fig clicker worksheet practice

Sig Fig clicker worksheet practice. John counted out ten dollar bills . Exact Inexact (measured). How many significant figures? 28.5. 3 SF. W hich one has more significant figures? 6.321 cm and 6.3214 cm. Enter the correct answer in clicker. 7.623 ml + 85.0 ml + 9.815 ml =

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Units, Measurement, Significant Figures & Conversions

Units, Measurement, Significant Figures & Conversions. Physics. SI Units. The SI Units we will be concerned with mostly are: Quantity Unit Length/Distance Time Mass Temperature . meter [m] second [s] kilogram [kg] Kelvin [K]. SI Units.

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CH. 2 - MEASUREMENT

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Measurement and Significant Figures

Measurement and Significant Figures. www.lab-initio.com. Steps in the Scientific Method. 1. Observations - quantitative - qualitative 2. Formulating hypotheses - possible explanation for the observation 3. Performing experiments - gathering new information to decide

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Measurement and Significant Figures

Measurement and Significant Figures. www.lab-initio.com. Steps in the Scientific Method. 1. Observations - quantitative - qualitative 2. Formulating hypotheses - possible explanation for the observation 3. Performing experiments - gathering new information to decide

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Sig Fig Calculations and Density

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DO NOW!

DO NOW!. Take out your SI Conversion notes from last week. Complete page 1 using this slide. Metric system is based on powers of 10 Standard units in the metric system are meter, liter, gram Prefixes

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Our Friends, the Significant Figures

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Using in calculations

Using in calculations. For multiplication and division. Your answer can not be more accurate than the least accurate measurement. Your answer MUST have the same number of sig figs as the least number of sig figs. Rounding Numbers. Five or more round up. Examples. 135 x 32 = 4320.

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Significant Figures/Accuracy and Precision

Significant Figures/Accuracy and Precision. Accuracy vs Precision. Accuracy = Precision =. How close you are to the correct answer. How close your answers are to each other. Percent Error. You can quantify how accurate you are by calculating the percent error of your measurement

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Significant Figures

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Significant Figures (aka sig figs)

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Unit 1

Unit 1. Significant Figures. In physics we will be taking measurements and using a lot of numbers for calculations. However, we have to be aware of significant figures (sig figs) because every measurement has a certain degree of uncertainty .

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2011 in Review Bodine High School

2011 in Review Bodine High School. Paul Finn SAT:TAS Winter Retreat Thursday, January 19 th , 2012 The Franklin Institute, Philadelphia Pa. The work reported herein was supported by the National Science Foundation, award # 0841377, through a grant to Temple University.

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Significant Figures!

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Significant Figures

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Significant Figures (Sig Fig) Rules

Significant Figures (Sig Fig) Rules. Determining Sig Figs. 1) ALL non-zero numbers (1,2,3,4,5,6,7,8,9) are ALWAYS significant. 2) ALL zeroes between non-zero numbers are ALWAYS significant. 3) ALL zeros to the left of the number are NEVER significant

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Rounding and Approximation

Rounding and Approximation. 17. 24500 2 sig. fig. 0.0125 2 sig. fig. 0.00348 3 d.p. 205.399 Nearest whole number. 24.1. 3.65. 3,945,724 Nearest 10000. 25000. 0.1. 460. 4288 Nearest 10. 1.0. 29470 Nearest 100. 459.96 1 d.p. 0.0639 Nearest whole number. 3.652 2 d.p.

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Kc starter wc 05.11.12 The reaction between nitrogen and hydrogen is given below:

Kc starter wc 05.11.12 The reaction between nitrogen and hydrogen is given below: N 2 + 3H 2 = 2NH 3 1.0 moles of nitrogen were reacted with 3.0 moles of hydrogen in a 1.0 dm 3 vessel at 450?C. At equilibrium, 0.80 moles of ammonia formed. Write an expression for Kc

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