'2 sig fig' diaporamas de présentation

CHAPTER 2. SCIENTIFIC MEASUREMENTS. CHM130 GCC Chemistry Department. Read all sections of Ch. 2. These slide presentation are not online. The online NOTES contain basically the same information, just in an outline form so it takes less paper. You should print them out and bring to class

This car is travelling on the open road at a constant speed of 28ms –1 . Part of the road forms the arc of a circle of radius 80m. The mass of the car and its four occupants 1357kg. 1.

CHAPTER 2. SCIENTIFIC MEASUREMENTS. CHM130 GCC Chemistry Department. Read all sections of Ch. 2. These slide presentation are not online. The online NOTES contain basically the same information, just in an outline form so it takes less paper. You should print them out and bring to class

Significant Figures :. In science to find answers we take measurements and make calculations. The answers found can only be as precise as the measurements used to find them. So, answers are expressed using:. Significant Figures:. Are digits in measurements that are known with

Homework 2 due this Wednesday- in class Homework 3 posted due Wednesday 7 Feb. Fong lab: Answer Pre-lab questions* page 13 of Lab Manual on separate piece of paper and bring to lab tomorrow morning * What is the density of pure water at typical lab temperatures?

INTRODUCTION. CHEMISTRY. Is the study of the composition of materials and the changes that these materials undergo Wood burns Plants grow Iron rusts Bread bakes Human digestion. Branches of Chemistry. Analytical chemistry