Gen chem exam 3 - Study guides, Class notes & Summaries

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 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...

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 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...

UNE Gen Chem 2 Midterm- Exam with Correct Answers 1. An adhesive force: is the result of intermolecular forces that attract different molecules together 2. Metallic solids: are composed of atoms, with nuclei in a "sea" of delocalized electrons 3. Acetonitrile, CH3CN, is a common solvent used in organic chemistry labs. Acetonitrile evaporates very quickly at room temperature and feels noticeably cold when evaporating. If ”H vap for acetonitrile is 34.2 kJ/mol, how much heat is removed wh...

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...

ACS Gen Chem Practice Exam 77 Questions with Verified Answers Which is the strongest oxidizing agent? N a →← N a + + e - 2 . 7 1 V Cd →← Cd2+ + 2e- 0.40 V H2 →← 2H+ +2e- 0.00V Ag→← Ag++e- -0.80V (A) Na+ (B)H2 (C) Cd0 (D)Ag+ - CORRECT ANSWER Ag+ All are examples of Lewis acid-base reactions except Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) HCl(g) + NH3(g) → NH4Cl(s) H+(aq) + OH-(aq) →← H2O(l) 2Na(s) + Cl2(g) → 2NaCl(s) - CORRECT ANSWER 2Na + Cl2 -&gt...

ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter is made up of relatively few elements. - CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom Each _______ is made of the same kind of atom - CORRECT ANSWER Element Combination of atoms held together i...