Chm1045 - Study guides, Class notes & Summaries

CHM1045L Activity Series Lab Report 2024/2025/CHM1045L Activity Series Lab Report 2024/2025

What are the 7 basic SI units? 1. meter (m) 2. kilogram (kg) 3. second (s) 4. Kelvin (K) 5. mole (mol) 6. ampere (amp) 7. candela (cd) error arising from the imperfections of the instrument used to make the measurement systematic error closeness to the "true" value accuracy error arising from the skill or technique of the experimenter random error how well a set of data agrees precision

What was the purpose of the "properties and changes of matter" lab?To examine and describe physical and chemical properties of various substances, and to cause physical and chemical changes within these substances. What is matter?Any and all material of which the universe is composed of. Anything that has mass and occupies space. Matter exists in:three different states: solid, liquids, and gas What is a pure substance?A sample of matter that has identical properties and fixed composi...

1 atmosphere = _____ torr - 760 A photon acts like a wave with a ________ and ________ - frequency// wavelength Acids are always written with the ionizable hydrogens written first, for example _______ - HBr, H2SO4 Acids ionize and release ____ ions - H+ Combined Gas Law - the law that describes the relationship among the pressure, temperature, and volume of an enclosed gas in chemistry terms: P1V1/T1=P2V2/T2 Dalton's Law of Partial Pressures - the total pressure of a mixture of gases e...

Describe the step by step method one should use to measure out 5.00 grams of calcium chlorideMeasuring out Measure outPlace weighing paper then TARE. Add calcium until obtaining 5.00 grams Sep by step to determine the mass of 25 mL of orange juiceMeasure mass of container , then add 25 mL of OJ and subtract the difference Determine mass of a nickle byMeasuring directly Determine the mass of NaCl crystalsMeasuring out Direct or measuring out?Direct is more accurate, less error

Accurancy how close close a measurement is to a true value. (how close the darts are to the bulls-eye) Error describes the accuracy of a measurement. =I true value-measured value I Percent error =(Error X 100%)/True Value Precision refer to the agreement among a series of measurements of the same quantity. (how close the measurements are to each other) Standard deviation the precision of a series of measurements. s=k(A-B) s- standard deviation A- highest measured value B- lowest m...

CHM1045 Exam 4 & Final Exam Study Guide (ANSWERS) 2024 - DISTINCTION GUARANTEED / Complete Verified Latest Version

CHM1045 Exam 4 & Final Exam Study Guide Questions With Answers 2024 / 2025 Latest Version Solution

This document just had a lot of important notes, important definitions, and lots of examples, and everything is clean and well-made in order to keep everything from being confusing as long as you understand everything up until this point. There are some explanations but this is from the point of view of an average person that just happened to get an A in the class and pass the final for General Chemistry 1 with a %90.

This is an exam I did in class. Everything has been checked so if you find anything wrong or that I should change please let me know. This document covers the most important topics and types of questions anyone taking an exam about this topic should know about. If know how to answer all of these questions then you are guaranteed a 90 or more in any test. Challenging class with a good but also demanding teacher.