Acs guid - Study guides, Class notes & Summaries

ACS General Chemistry Final Exam Study Guide

ACS Gen Chem 2 Final Exam Study Guide with Complete Solutions C - ️️ Correct-Where is the hydrophilic (attracted to water) region of the molecule? (A) Region 1 (B) Region 2 (C) Region 3 (D) The three regions are equally hydrophilic C - ️️ Correct-Which molecule is most soluble in water? D - ️️ Correct-A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal concentration of the solution? Molar Mass NaCl = 58.44 g/mol (A) 0.205 m (B) 0.258 m (C)...

ACS GEN CHEM 2 FINAL EXAM STUDY GUIDE WITH LATEST UPDATE

ACS General Chemistry 2 Final Exam Study Guide

ACS Physical Chemistry Thermochemistry Study Guide |Question and Answer| 100% Correct What is the third law of thermodynamics? *Ans* The entropy of a perfect crystal is zero. What is the second law of thermodynamics? *Ans* As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? *Ans* More microstates = higher entropy What is the relationship between temperature and entropy? *Ans* Temperature increases, en...

ACS Physical Chemistry Thermochemistry Study Guide |100% Correct| What is the third law of thermodynamics? *Ans* The entropy of a perfect crystal is zero. What is the second law of thermodynamics? *Ans* As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? *Ans* More microstates = higher entropy What is the relationship between temperature and entropy? *Ans* Temperature increases, entropy increases (dir...

ACS Gen Chem 2 Final Exam Study Guide.

C - Answer- Where is the hydrophilic (attracted to water) region of the molecule? (A) Region 1 (B) Region 2 (C) Region 3 (D) The three regions are equally hydrophilic C - Answer- Which molecule is most soluble in water? D - Answer- A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal concentration of the solution? Molar Mass NaCl = 58.44 g/mol (A) 0.205 m (B) 0.258 m (C) 3.51 m (D) 4.41 m B - Answer- What is the mole fraction of water ...

ACS Gen Chem 1 Exam Study Guide with Complete Solutions Extensive Property - ️️ Correct-Values that depend on how much you have Intensive property - ️️ Correct-Independent of size sample Density - ️️ Correct-Mass/volume Homogeneous mixture - ️️ Correct-Same throughout, indistinguishable parts Heterogeneous - ️️ Correct-Different parts, distinguishable parts Diatomic elements - ️️ Correct-N2, O2, H2, Cl2, Br2, I2 John dalton - ️️ Correct-Founded the atomic theo...

ACS General Chemistry First Term Final Exam Study Guide with Complete Solutions Temp Conversions: Kelvin - ️️ Correct-K= C°+273.15 Farenheit - ️️ Correct-F°= 9/5(C°)+32 Celsius - ️️ Correct-C°= (F°-32) 5/9 Significant Figure Rules - ️️ Correct-1. Leading zeros not sig 2. Zeros btw 2 digits are sig 3. Trailing zeros to right of decimal are sig 4. Trailing zeros before decimal are sig How many sig figs? 0.0005004 - ️️ Correct-4 sig figs How many sig figs? 74,0...