Chem 111 Samenvattingen, Aantekeningen en Examens

Chem 111 chapter 1 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...

CHEM 111 EXAM 4 COMPLETE QUESTIONS AND ANSWERS 2024

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 ...

CHEM 111 A Cycle of Chemical Reactions of Copper Lab Report University Of Chicago

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

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...

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 ...