Gen chem exam 3 - Samenvattingen en Aantekeningen

Gen Chem Exam 3 Questions And Answers 2024 (A Graded Solution) What compounds are soluble? - ANS-Group 1 ions and all nitrates (NO3-) Calculate the solubility of Sr(SO4-)2 How would you approach this problem? - ANS-First, write out the Ksp for this specific compound. So, Ksp = [Sr2+][SO42-]^2, Then, ICE table, +s and +2s, and that = 4s^3. That equals given Ksp How do you figure out if a precipitate will form? - ANS-Calculate Qsp. This is done by multiplying the given ion concentrati...

Gen Chem 1 Final Exam Questions and Answers | Latest Update | 2024/2025 | Graded A+ What is the principle behind the law of conservation of mass in a chemical reaction? The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products. How do you determine the number of valence electrons in an atom? The number of valence electrons can be determined by the group number of the eleme...

GEN INORG CHEM EXAM WITH 100% CORRECT ANSWERS 2024 Atomic weights and Chemical Reactivity - answerMendeleev arranged the elements according to A) atomic number and atomic weight. B) atomic weight and chemical reactivity. C) electron configuration and atomic weight. D) physical state and relative abundance Periods - answerThe horizontal rows of the periodic table are called A) groups. B) periods. C) triads. D) elements. Sulfur - answerWhich of the following elements has chemical prop...

GEN INORG CHEM EXAM WITH 100% CORRECT ANSWERS 2024 Atomic weights and Chemical Reactivity - answerMendeleev arranged the elements according to A) atomic number and atomic weight. B) atomic weight and chemical reactivity. C) electron configuration and atomic weight. D) physical state and relative abundance Periods - answerThe horizontal rows of the periodic table are called A) groups. B) periods. C) triads. D) elements. Sulfur - answerWhich of the following elements has chemical prop...

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)...

Gen Chem Equations to study for the ACS Exam 28 Questions with Verified Answers Rydberg Equation for Hydrogen - CORRECT ANSWER Speed of Light/Wavelength/Frequency Equation - CORRECT ANSWER Speed of Light (3 x 10^8) Energy of a Single Quantum - CORRECT ANSWER E = hv v = frequency (c/λ) h = Planck's Constant (6.26 x 10^-34) Photoelectric Effect Equation - CORRECT ANSWER hv = KE + W h = Planck's Constant (6.26 x 10^-34) W = binding energy of the electron Electrostatic E...

Gen Chem 1 Final Exam Review – Saylor Questions and Answers An 56 Fe 2+ particle contains A) 28 protons, 28 neutrons, 26 electrons B) 54 protons, 56 neutrons, 52 electrons C) 58 protons, 58 neutrons, 56 electrons D) 26 protons, 26 neutrons, 26 electrons E) 26 protons, 30 neutrons, 24 electrons - ANSWER -26 protons, 30 neutrons, 24 electrons The density of mercury is 13.5 g/mL. What is the mass in kg of mercury that fills a 0.250-L flask? A) 3.38 kg B) 54.0 kg C) 3380 kg D) 0.0...

ACS Gen Chem 2 Final Exam Study Guide Questions And Answers 100% Pass C - answerWhere 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 - answerWhich molecule is most soluble in water? D - answerA 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...

ACS Gen Chem 1 Exam 89 Questions with Verified Answers Extensive Property - CORRECT ANSWER Values that depend on how much you have Intensive property - CORRECT ANSWER Independent of size sample Density - CORRECT ANSWER Mass/volume Homogeneous mixture - CORRECT ANSWER Same throughout, indistinguishable parts Heterogeneous - CORRECT ANSWER Different parts, distinguishable parts Diatomic elements - CORRECT ANSWER N2, O2, H2, Cl2, Br2, I2 John dalton - CORRECT ANSWER Founded the...