Chem 111 Study guides, Class notes & Summaries

Chem 111, Chapter 1 – 2 Questions with Complete Solutions

sig fig zeros Correct Answer-1. zeros at beginning NOT signif 2. zeros between ARE SIGNIF 3. zeros at end of number are signif if number contains a decimal point 3.489 x (5.67-2.3) Correct Answer-3.489 x 3.(3)7 11.75793 12 matter Correct Answer-composed of mass and must occupy space scales of matter Correct Answer-macroscopic, microscopic, particulate. scientists think on a particulate scale, observe macroscopically states of matter Correct Answer-1. change from solid to liquid t...

Two characteristics of Matter Correct Answer-Mass and Volume Scales of Matter Correct Answer-1. Macroscopic 2. Microscopic 3. Particulate Physical Property Correct Answer-When an atom or molecule doesn't change -color, taste, melting and boiling point, odor, density Chemical Property Correct Answer-When the atom or molecules react and the composition of matter changes -flammability, acidity, oxidation, corrosiveness Dalton's Atomic Theory Correct Answer-1. each element is made...

Processes that are observable by the human eye Occur at the ? level. In chemistry reactions will also be visualized at the ? LevelCorrect Answer- 1. Macroscopic 2. Submicroscopic (atomic, molecular) Which of the following are included in the study of chemistry?Correct Answer- 1. The changes matter undergoes 2.The study of matter Which of the following are part of the macroscopic world?Correct Answer- 1. Objects that we can see in touch 2. Objects his properties we can measure directly ...

Mass - Answer-kilogram (kg) length - Answer-meter (m) Time - Answer-Seconds (s) Temperature - Answer-Kelvin (K) Amount of substance - Answer-mole (mol) Electric Current - Answer-ampere (A) Luminous intensity - Answer-candela (cd) Mega - Answer-1,000,000 or 10^6 Kilo - Answer-1,000 or 10^3 Deci - Answer-0.1 or 10^-1 Centi - Answer-0.01 or 10^-2 Milli - Answer-0.001 or 10^-3 Gas - Answer-No fixed volume or shape conforms to the container it's in. Molecules relatively far apart, move ...

What is the SCIENTIFIC METHOD? Correct Answer-Is a step by step procedure to provide consistency when doing research What are the steps of the SCIENTIFIC METHOD Correct Answer-1. Ask a Q 2. Get more Information 3. Propose an Explanation 4. Test w/ Experiments 5. Analyze experimental findings 6. If your orginal is untrue, propsose alternative explanation. Qualitative data Correct Answer-Data Consisting general observations Quantitative data Correct Answer-Date consisting of various ...

sig fig zeros - Answer-1. zeros at beginning NOT signif 2. zeros between ARE SIGNIF 3. zeros at end of number are signif if number contains a decimal point 3.489 x (5.67-2.3) - Answer-3.489 x 3.(3)7 11.75793 12 matter - Answer-composed of mass and must occupy space scales of matter - Answer-macroscopic, microscopic, particulate. scientists think on a particulate scale, observe macroscopically states of matter - Answer-1. change from solid to liquid to gas as temp increases 2. motion of...

CHEM 111 Final Exam Questions and Answers 100% Pass Know your significant figure rules - Answer- ALL zeroes between non-zero numbers are ALWAYS significant. ALL zeroes which are SIMULTANEOUSLY to the right of the decimal point AND at the end of the number are ALWAYS significant. ALL zeroes which are to the left of a written decimal point and are in a number >= 10 are ALWAYS significant. define calorimetry - Answer- the act of measuring heat required or evolved during a chemical proce...

CHEM 1116 written exam update questions and answer 2024 Santa Monica College

CHEM 111 Final Exam Questions and Answers 100% Pass Know your significant figure rules - Answer- ALL zeroes between non-zero numbers are ALWAYS significant. ALL zeroes which are SIMULTANEOUSLY to the right of the decimal point AND at the end of the number are ALWAYS significant. ALL zeroes which are to the left of a written decimal point and are in a number >= 10 are ALWAYS significant. define calorimetry - Answer- the act of measuring heat required or evolved during a chemical proce...