Chem 120 exam 1 2024 - Study guides, Class notes & Summaries

CHEM 120 Final Exam Review (Latest 2023 - 2024) New Full Exam Questions and Answers ( Included ) 100% Correct 1. significant figures Answer: a digit that is either reliably known or closely estimated 2. Significant Figure Rules Answer: 1. All non-zero digits are always significant 2. Zeroes between non-zero digits are always significant 3. Zeroes to left of first non-zero digit (either before or after decimal point) are never significant 4. Zeroes to the right of last non-zero digit ...

Portage Learning Chem 210 Biochem Final Exam 2023/2024 SOLVED What are the three things biochemists study? - 1. the relationship between structure and function of a biomolecule 2. chemical reactions of organisms (metabolism) 3. communication with and among organisms (chemical messengers) Which protein is found in lightening bugs to produce light? - luciferin How many elements are found in living organisms? - 30 or less What type of elements do you find in living organisms? - smaller, non...

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 ...

Chem 120 EXAM 1-Questions with Correct Answers/ Verified/ Latest Update (2024/2025)

Chem 120 Exam 3 Review Guide 2023-2024 With 100% Verified Answers Reduction/oxidation (Redox Chemistry) LEO the lion goes GER Oxidation: Loss of Electrons is Oxidation (LEO) Reduction: Gaining of Electrons is Reduction (GER)Are each of the following oxidized or reduced? Fe2+ → Fe0 Fe is reduced as the charge is becoming more negative (meaning that the Fe gained e - ) O2- → O0 O is being oxidized as the charge is becoming more positive (loosing e - ) Cu+1 → Cu2+ Cu is being o...

CHEM 1201 Exam 3 With 100% Correct And Verified Answers 2024 lattice energy trend - Correct Answer-increases up and to the right electronegativity trend - Correct Answer-increases up and to the right F>O>N>Cl Linear Electron Domain geometry - Correct Answer-2 electron domains Trigonal planar electron domain geometry - Correct Answer-3 electron domains Tetrahedral Electron Domain geometry - Correct Answer-4 electron domains Trigonal bipyramidal electron domain geometry - ...

Chem 210 Exam II Questions and Correct Answers, Complete Solution 2024. electrophiles electron seeking reagents that have room to accept a electron pair nucleophiles reagents seeking a nucleus to which to donate a pair of electrons proton transfer or protonation reaction the transfer of a proton from one base to another transition state lying between the products and reactants free energy of activation (delta G double dagger) the height of the barrier, the energy that the reactants a...