Title: Observations of Chemical Changes Purpose: To learn about the international system of units (SI)‚ to become familiar with common lab equipment and techniques‚ to gain proficiency in determining volume‚ mass‚ length‚ and temperature of a variety of items using common laboratory measurement devices‚ to learn to combine units to determine density and concentration‚ and to use laboratory equipment to create serial dilutions and determine the density and concentration of each dilution. Procedure:
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Laboratory Techniques and Measurements Lab 1 The purpose of this lab was for the student to get involved with his or hers new lab kit as well as being able to know‚ identify and use each other tools provided in the kit. Another key learning aspect of this lab is to teach the student how to measure properly the many units in the SI system. I will be using laboratory dilutions‚ measurements‚ and weights to then calculate using algebraic formula. Throughout lab one we were introduced to
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Measurements Lab Report Measurements Cassandra M. Murphy Grand Canyon University: Physics 1 Lab September 5‚ 2013 Testable Question: Circular objects; what happens to the circumference as the diameter changes? Hypothesis: As the diameter increases‚ the circumference will increase in a proportional linear way. This is because as the diameter increase‚ the object will as well. Variables: Independent- The diameter of the circular objects. Dependent- The circumference of the
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1 Physics and Measurement CHAPTER OUTLINE 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Standards of Length‚ Mass‚ and Time Matter and Model-Building Density and Atomic Mass Dimensional Analysis Conversion of Units Estimates and Order-ofMagnitude Calculations Significant Figures ANSWERS TO QUESTIONS Q1.1 Q1.2 Atomic clocks are based on electromagnetic waves which atoms emit. Also‚ pulsars are highly regular astronomical clocks. Density varies with temperature and pressure. It would be necessary to measure both
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ARCELIA ARRATIA MEASUREMENT OF LENGTH‚ MASS‚ VOLUME‚ AND DENSITY PHYSICS LAB REPORT Physics is the scientific study of matter and energy and how they interact with each other. Physics utilizes the scientific formula to test hypothesis and calculate matter such as density. Tools were created to measure material in a laboratory and have been perfected to reduce error. In this experiment measurement of length‚ mass‚ volume and density will be obtained through instruments of measuring
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Math Practice Lab Pre-Lab Questions: 1. The rules concerning handling significant figures are as follows: When dividing/multiplying The answer has no more significant digits than the number with the fewest significant digits (the least precise figure). Round off after calculations have been performed. When adding/subtracting Answer has no more places than the addend‚ minuend‚ or subtrahend with the fewest number of decimal places. Significant figures are irrelevant when adding/subtracting
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Lab 2: Infra-Red (IR) - Nuclear Magnetic Resonance (NMR) Exercises In Molecular Spectroscopy - Structural Determination Organic Chemistry II CHEM 2425 Manrique October 30‚ 2012 Alex Wolf Introduction For the purposes of this lab‚ the chemical formula will be given‚ and the degrees of unsaturation can be calculate from the formula (2C+2)-(H+Hal-N)/2. The degrees of unsaturation will give clues as to the structure. A double bond‚ as well as a ring will have one degree of unsaturation each
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Measurements Lab Name Length Measurements – Follow the Instructions in the Lab Manual and fill in your data in the tables provided. Data Table 1 – Length measurements |Object |Length (cm) |Length (mm) |Length (m) | |CD or DVD |12.00 |120.0 |.1200 | |Key
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Lab 1: Observation of Chemical Changes Name: Tyler Lee Lab Partners: none Date of Experiment: Feb 26 2015 Location: My House Course Number: CHE111 Abstract: The point of this lab was to test and observe chemical changes when mixing chemicals together and also through heating chemicals. Experiment and Observations: The experiment performed in the first part of this lab was to mix various chemical solutions together and then observe and record the chemical changes‚ also if a chemical
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References: http://www.scribd.com/doc/94383213/Physics-Lab-Report Physics reference book ;pearson;James S.Walker http://www.digipac.ca/chemical/sigfigs/experimental_errors.htm
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