Organized method of problem-solving Used in chemistry, physics, engineering, and medicine Communicates the path to scientists that follow your work Records.

Slides:



Advertisements
Similar presentations
Organized method of problem-solving Used in chemistry, physics, engineering, and medicine Communicates the path to scientists that follow your work Records.
Advertisements

1 Chapter 1 Measurements 1.6 Problem Solving Copyright © 2005 by Pearson Education, Inc. Publishing as Benjamin Cummings.
1 Chapter 2 Measurements 2.7 Problem Solving Basic Chemistry Copyright © 2011 Pearson Education, Inc. A health professional obtains a measured volume from.
Measurements and Calculations Chapter 2 2.
Convert Unit Rates.
Chem El Camino College Ch. 1: Measurements Chem El Camino College.
FACTOR LABEL METHOD.  In math you use numbers, in chemistry we use quantities.  A quantity is described by a number and a unit.  100 is a number :
Starter 1.How would you record the following measurements? How many sig figs? a.b. 2.Count the sig figs in the following measured values: a
I II III I. Using Measurements CH. 2 - MEASUREMENT.
Organized method of problem-solving Used in chemistry, physics, engineering, and medicine Communicates the path to scientists that follow your work Records.
Data Analysis Review Game. Put the following numbers into scientific notation 6, x ,000,000 8 x x
Significant Figures & Rounding Chemistry A. Introduction Precision is sometimes limited to the tools we use to measure. For example, some digital clocks.
FACTOR LABEL METHOD. In math you use numbers, in chemistry we use quantities. In math you use numbers, in chemistry we use quantities. A quantity is described.
WARM UP How many sig Figs are in the following measurements? x ,050, x 10 7.
Problem Solving Unit 1B Significant Figures, Scientific Notation & Dimensional Analysis.
Station One - Length of Block Measure the length of the block in cm. Record the initial measurement in the data table. Using dimensional analysis, convert.
1 Chapter 3 Problem Solving and Conversion Factors.
WU 9/7 1.How many sig. figs are in these measurements? a) g b L c mg d e s 2.Perform the following calculations:
Chemistry Jeopardy Misc.Conver- sions Sci. Not. Calcs Units of Measure Sig Fig Calcs
Chapter 2 Lecture Basic Chemistry Fourth Edition Chapter 2 Measurements 2.7 Problem Solving Using Unit Conversions Learning Goal Use conversion factors.
1 Dimensional Analysis DHS Chemistry. 2 Note: From this point on, unless told otherwise, it is expected that all answers will be reported using the sig.
Unit Conversions use fractions/ratios to change the units of measurement We “cross-cancel” units Units are common factors on top and bottom Use Formula.
Chemistry Jeopardy Misc.Scientific Notation Sci. Not. Calcs Sig FigsSig Fig Calcs
I II III Using Measurements MEASUREMENT. Accuracy vs. Precision  Accuracy - how close a measurement is to the accepted value  Precision - how close.
1 Chapter 2 Measurements 2.7 Problem Solving Copyright © 2008 by Pearson Education, Inc. Publishing as Benjamin Cummings.
Chapter 2 “Scientific Measurement” Section 2.5 Significant Figures in Calculations.
 Accuracy-  How close you are to the mark you are trying to hit  Closeness of measurements to the correct or accepted value of the quantity measured.
Chapter 3 Problem Solving in Chemistry. 3 Methods of Solving Problems K h da b d c m Factor Labeling Formula.
Problem Solving – a Math Review
Review Questions Write your answer, and nothing else, on the white board. Work together with people around you. Hold up your answer, but don’t say it too.
I II III Welcome to Chemistry 116!.  Work to be turned in will only be accepted during the first 10 minutes of lab, or will be considered late  Work.
Convert into scientific notation:
Data Analysis Review Game.
Significant Figures Notes on PAGE _____. Significant Figures Notes on PAGE _____.
Uncertainty and Significant Figures
Dimensional Analysis Organized method of problem-solving
5 Addition with Dissimilar Units
Review of yesterday… How many sig figs are in the following? 0.02
Chapter 1 Measurements 1.7 Problem Solving.
Problem Solving – a Math Review
Conversions with Factor Label
Dimensional Analysis Organized method of problem-solving
Ch. 2 Notes Day 4 Significant Figures.
Intro screen.
Chapter 1 review.
Chapter 1 Measurements 1.6 Problem Solving
Dimensional Analysis Organized method of problem-solving
Warm-Up What is the density of a liquid with a mass of 176 g and volume of 275 mL? If a 285-mL object has a density of 2.85 g/mL, what is its mass?
2.6 – NOTES Dimensional Analysis
Dimensional Analysis Organized method of problem-solving
Dimensional Analysis.
Chemistry Dimensional Analysis.
19th Amendment Takes Effect
How many sig figs are in each of the
Problem Solving in Chemistry
Dimensional Analysis.
Aim: How to use Dimensional Analysis to Convert from One unit to Another DO Now: Answer the following questions in your notebook in the following format.
Uncertainty and Significant Figures
Scientific Notation Mrs. Nielsen Chemistry.
DIMENSIONAL ANALYSIS PROBLEMS - REVIEW
1.7 – Dimensional Analysis
Uncertainty and Significant Figures
Direct Conversions Dr. Shildneck.
Convert to scientific notation
Ch. 4 Problem Solving in Chemistry
Which of these numbers has the most significant figures E 5
Chapter 2 Measurements 2.7 Problem Solving
Rules for Determining Precision If the measurement has a decimal point in it, the precision of the measurement is the furthest place to the right.
Density.
Presentation transcript:

Organized method of problem-solving Used in chemistry, physics, engineering, and medicine Communicates the path to scientists that follow your work Records your own path for your future use

Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer.

Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer.

Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer.

How many centimeters are in 4.2 inches? *Note: Use the number given in the question to determine the number of sig figs in your answer.

How many centimeters are in 4.2 inches? *Note: Use the number given in the question to determine the number of sig figs in your answer.

Calculate the number of seconds in two weeks.

Convert the density of 0.58 g/mL to lb/gallon. (1 L = qt and 4 qt = 1 gal; 1kg = 2.2 lb)