Chem 120 theory Study guides, Class notes & Summaries

Ammonium Ion - correct answer NH4(+) Nitrate Ion - correct answer NO3(-) Nitrite Ion - correct answer NO2(-) Hydrogen sulfate ion - correct answer HSO4(-) Sulfate ion - correct answer SO4(2-) Phosphate ion - correct answer PO4(3-) Hydrogen carbonate - co...

Chem 120 Final Exam 2 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. Dalton'sTheory Answer: All matter is composed of small invisible particles called atomsAll atoms of a given element are alike in mass and other properties The atoms of one element are different from atoms of all other elements 2. Law of Conservation of Mass Answer: Matter is neither created nor destroyed Atoms of one element cannot be changed into atoms of another element by chemical reactions 3. law of ...

CHEM 120 –2nd Combined Learning Questions and Exam with Q&A 2024 Describe the scientific method make an observation form a question form hypothesis test your hypothesis preform experiment what is the difference between hypothesis, theory, and law? hypothesis is the initial intent to explain the observation. theory is a way to explain that has lots of experimental support law is a statement that is always ture but does not explain. homogeneous vs heterogeneous mixture...

IB Chem VSEPR theory HL Questions with complete solution 2023/20242 electron domains - correct answer linear 180 CO₂ 3 electron domains (all bonded) - correct answer trigonal planar 120° BF₃ greater repulsion: non-bonded or bonded pairs - correct answer non-bonded 3 electron domains (1 unbonded) - correct answer bent 117-118° NO₂ Angle removed by lone pair - correct answer 2-2.5°

Chem 120 Midterm Exam 2 (Latest 2023 - 2024) New Full Exam Questions and Answers ( Included ) 100% Correct 1. Scientific Method Steps Answer: Observations, Hypothesis, Experiment, Data Collection (Results), Theory 2. independent variable Answer: The experimental factor that is manipulated; the variablewhose effect is being studied 3. dependent variable Answer: The outcome factor; the variable that may change in re-sponse to manipulations of the independent variable. 4. quantitative ...

Course Content There are TEN (10) topics in this course, namely: Topic One: The kinetic theory of gases Topic Two: Ideal gas laws Topic Three: Real gases Topic Four: Chemical Kinetics Topic Five: Chemical Equilibria Topic Six: Ionic Equilibria Topic Seven: Buffer Solutions Acid and Base titrations Topic Eight: Thermochemistry Topic Nine: Electrochemical cells Topic Ten: Electrolysis Course Learning Outcomes Upon successful completion of this course, you should be able to: i. State the as...

1 BUSINESS LAW Final Exam Practice Questions 2 BUSINESS LAW – Bus 340 PRACTICE QUESTIONS The following practice questions, both the question type and content, are similar to the type and format of questions on the final exam. Please use them a study aid to prepare for the final exam. 1. In a civil lawsuit against Ellen, Fred obtains an injunction, which is: a. a remedy at law. b. an equitable remedy. c. not possible under our U.S. system of jurisprudence. d. none of the above...

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...

CHEM 120 FINAL EXAM STUDY GUIDE QUESTIONS WITH CORRECT DETAILED ANSWERS WITH SOLVED SOLUTIONS 2023

CHEM 120 Week 1 Discussion Question 1: Scientific Method and Calculations The steps of the scientific method are: observation, hypothesis, experiment, results, and theory.  Take a real world scenario and apply the scientific method, being sure to detail the controls on your experiment.  Describe a result that would confirm your hypothesis.