Week 1 Notes and lecture
Week 1 Notes and lecture Chem 1407
Popular in Introduction to Chemistry
Popular in Chemistry
This 3 page Class Notes was uploaded by Marissa Reyes-Hernandez on Friday August 28, 2015. The Class Notes belongs to Chem 1407 at University of Texas at El Paso taught by Dr. Andrew Pardo in Fall 2015. Since its upload, it has received 153 views. For similar materials see Introduction to Chemistry in Chemistry at University of Texas at El Paso.
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Date Created: 08/28/15
Chemistry Section 1 First Week Notes Good Luck Chem 1030 AM 0 Intro 0 Keep your exams o MCPARDO62151 1171 1 g l 0 Scientific Method 0 Algorithmic approach to solve problems 0 Linus Pauling used this Nobel prize 0 A set of general principles that helps to describe how a scientist problems solves 0 Observations o Hypothesis 0 Experiments 0 Conclusions 0 It is modified if the results of the experiments do not support the results 0 Develops conc using obs hypo and experiments 0 X axis is indepen 0 Y axis is dep 0 Identifying place values 0 Using positive and neg numbers in calculations 0 Partwhole percentages 0 Solving for X o P1V1P2V2 V1P2V2P1 o What is chem o Is the study of composition structure properties and reactions of matter 0 Happens all around you c What a Matter 0 All subs that make up the world 0 Anything you can touch 0 Water air gas 0 5 fields 0 Analytical chem o Is the study of the separation ID and the quantification of the chemical components of natural and artificial materials EX crime scene Forensic scientists EPA environmental protection agency 0 Inorganic Chem 0 Is the study of the synthesis and behavior and the organometallic compounds 0 Physical chem o Is the study of physical prosperities and theories that govern matter 0 BioCHem o Is the study of chemical processes within and relating to living organisms 0 Organic chem o The study and synthesis of molecular compound that are used for medical use 0 11 Chem and the chemicals 0 Chems working in labs to develop new pharmaceuticals 13 Taxol Pacific view Asprin o Alchemists Early chemists Chemistry Section 1 First Week Notes Good Luck 0 Learned to extract metals from ores 0 Designed some of the labs and equip o Developed early lab procedures 0 Paracelsus loves anime 0 Chemicals 0 Substances that always have the same composition 0 Use them every day 0 Review table 11 Measurements 0 Everyday o The Metric system SI 0 Length volume mass temp time o In most of the world expect USA 0 254cm1in o 1m100cm o 1m394in o 1m109yd o 1L106qt o 946mL1 qt 0 1000L1 m3 0 1L1000mL o 1kg1000g o o 454g1lb o 1 day 24 hours 0 1 h 60 mins 0 1 min 60s 0 Scientific Notation 0 Used to write very big numbers or very small numbers 0 We use thousands hundreds tens and ones 0 How to properly move the decimal from left to right properly 0 Measured numbers and significant figures 0 Measuring devices are used 0 Ruler clock scale and stopwatch 0 Must read the ruler properly 0 Rule for significant figures 0 Nonzero numbers 234 3 sig figures 0 50071 a zero between nonzero numbers 5 sig figures 0 A zero at the end of a decimal 5000 4 sig figures 0 The coefficient of a number in sci notation 20x 10quot3m 2 sig figures 0 Exact numbers 0 Those numbers obtained by counting 0 Also comparing two units in the same measuring system 0 Significant figures in calculations 0 Sig figures in measured numbers are used to limit the of sig figures in final answer 0 Calculators do not do this Chemistry Section 1 First Week Notes Good Luck 0 Rounding off 0 4 less it falls off 25478 25000 0 5 more it climbs 2553826000
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