'Fewest sig figs' diaporamas de présentation

Ch. 1: Introduction, Measurement, Estimating

Ch. 1: Introduction, Measurement, Estimating. Chapter 1 Outline. 1. The Nature of Science 2. Models, Theories, & Laws 3. Measurement & Uncertainty Significant Figures 4. Units, Standards, & the SI System 5. Converting Units 6. Order of Magnitude: Rapid Estimating

541 views • 53 slides

Chapter 2. Measurement

Chapter 2. Measurement. Chemistry is a physical science , one that depends heavily on measurement to obtain quantitative data . Measurement is the determination of dimensions, capacity, quantity, or extent of something. Precision, Accuracy, Error. Precision, Accuracy, Error.

523 views • 28 slides

Chapter 2 Standards of Measurement

520 views • 24 slides

Tools for Chemists

305 views • 22 slides

Significant Figures

Significant Figures. So Many Numbers. How many places do you carry out? What do we round to? These are no longer acceptable questions for the science classroom!!!. What numbers are important?. Sig Figs are used in science because of measurement Numbers must be: Meaningful Accurate

313 views • 21 slides

Significant Figures

Significant Figures. Determine the number of significant figures in the following measurements: 30.1 grams 0.0027 seconds 200.0 miles 0.050 liters 400 pounds 80.0650 kilograms 6.02x10 23 molecules. Significant Figures. Determine the number of significant figures

940 views • 19 slides

Chapter 1B Notes

Chapter 1B Notes. -Physical and chemical changes are usually accompanied by energy changes energy - the capacity to do work work - action of a force (push or pull) through a distance kinetic energy (KE)- energy of motion potential energy (PE)- energy of position

391 views • 17 slides

Significant Figures

Significant Figures. Significant Figures. All measurements are inaccurate Precision of measuring device Human error Faulty technique. Significant Figures. Measurements need to convey precision Must include degree of uncertainty Sig Figs tell us. Significant Figures. Significant Figures.

363 views • 16 slides

CH. 2 - MEASUREMENT

CH. 2 - MEASUREMENT. I. Using Measurements (p. 44 - 57). A. Accuracy vs. Precision. Accuracy - how close a measurement is to the accepted value Precision - how close a series of measurements are to each other. ACCURATE = CORRECT PRECISE = CONSISTENT. your value. accepted value.

551 views • 15 slides

Warm-Up: To be turned in

Warm-Up: To be turned in. How long (in cm) is this line?. What is the volume (in mL ) of the liquid?. Using Scientific Measurements. Sig Figs and Scientific Notation. Accuracy vs. Precision. Accuracy- how close the measurements are to the accepted value

191 views • 12 slides

MEASUREMENT

MEASUREMENT. -Accuracy & Precision - Significant Digits -Scientific Notation. A. Accuracy vs. Precision. Accuracy - how close a measurement is to the accepted value Precision - how close a series of measurements are to each other. ACCURATE = CORRECT PRECISE = CONSISTENT.

456 views • 11 slides

Accuracy vs. Precision

Accuracy vs. Precision. Accuracy - how close a measurement is to the accepted value Precision - how close a series of measurements are to each other. ACCURATE = Correct PRECISE = Consistent. Courtesy Christy Johannesson www.nisd.net/communicationsarts/pages/chem. Significant Figures.

575 views • 8 slides