Solubility rules - Study guides, Class notes & Summaries

Electron configuration for cations - Subtract 1 from exponent of highest n-value orbital (ex. remove from 4s before 3d) Ag+ = [Kr]5s^1 4d^9 Electron configuration for anions - Add 1 to closest orbital Cl- = [Ne]3s^2 3p^6 Atomic orbitals - s, p, d, f Primary vs secondary structures of proteins - Primary - AA chain (linked by peptide bonds) Secondary - stabilized by non-covalent bonds (alpha helices & beta sheets) Most bonds in organic compounds are - covalent Properties of...

Based on the solubility rules, which of the following compounds should be insoluble in water? Question options: ZnCl2 MgBr2 NaCl AgBr FeCl2 View Feedback 4 / 4 points What is the molar concentration of sodium ions in a 0.350 M Na 3PO4 solution? Question options: 0.350 M 1.05 M 1.40 M 0.117 M View Feedback 4 / 4 points For which compound does 0.256 mole weigh 12.8 g? Question options: CH3Cl C2H4O C2H6 CO2 none of these choices View Feedback 4 / 4 points What is the molec...

Based on the solubility rules, which of the following compounds should be insoluble in water? Question options: ZnCl2 MgBr2 NaCl AgBr FeCl2 View Feedback 4 / 4 points What is the molar concentration of sodium ions in a 0.350 M Na 3PO4 solution? Question options: 0.350 M 1.05 M 1.40 M 0.117 M View Feedback 4 / 4 points For which compound does 0.256 mole weigh 12.8 g? Question options: CH3Cl C2H4O C2H6 CO2 none of these choices View Feedback 4 / 4 points What is the molec...

Electron configuration for cations - CORRECT ANSWER Subtract 1 from exponent of highest n-value orbital (ex. remove from 4s before 3d) Ag+ = [Kr]5s^1 4d^9 Electron configuration for anions - CORRECT ANSWER Add 1 to closest orbital Cl- = [Ne]3s^2 3p^6 Atomic orbitals - CORRECT ANSWER s, p, d, f Primary vs secondary structures of proteins - CORRECT ANSWER Primary - AA chain (linked by peptide bonds) Secondary - stabilized by non-covalent bonds (alpha helices & beta sheets) M...

MATSE 201 Exam 1 Theoretical Questions With 100% Correct Answers What is true regarding the crystal systems? there are 7 shapes that can completely fill 3D space through translational symmetry Which of the following is not one of the crystal systems? Face centered cubic examples of crystal systems: tetragonal, rhombohedral, trigonal Elemental metals do not commonly crystallize in which of the following lattices Simple cubic Which direction has the highest linear density in ...

OCR A LEVEL ORGANIC CHEMISTRY YEAR 12 WITH VERIFIED QUESTIONS AND ANSWERS What is the melting and boiling points of alkanes like? - ANSWER--as chain length increases so does the strength of the intermolecular forces as there is greater surface area for contact between molecules and hence stronger london forces and therefore the melting/boiling points are highr for longer chain. What is a structura/chain isomer? - ANSWER--Same molecular formula but a different structural formula Wh...

ACS Chemistry Final Exam 182 Questions with Verified Answers Layout of an element (mass # & atomic #) - CORRECT ANSWER atomic number = - CORRECT ANSWER # of protons mass number = - CORRECT ANSWER # of protons + neutrons the number of protons in a neutral atom will equal the - CORRECT ANSWER # of electrons how to find the correct number of neutrons - CORRECT ANSWER mass number - atomic number Forms of the same elements that differ in amount of neutrons - CORRECT ANSWER isotopes...

Types of Electrolytes: correct answer: -strong: SOLUBLE & IONIC -weak: SOLUBLE & MOLECULAR -non-electrolytes: INSOLUBLE Solubility Rules correct answer: 1. Group 1A Metals (Li+, Na+, K+, etc.) 2. Ammonium (NH4+) 3. Nitrate (NO3-) 4. Acetate (C2H3O2-) or (CH3COO-) 5. Hydrogren Carbonate (HCO3-) 6. Chlorate (ClO3-) 7. Perchlorate (ClO4-) 8. Halogens (Cl-, Br-, I-) EXCEPT W/ (Ag+, Pb2+, Hg2^2+) 9. Sulfate (SO4^2-) EXCEPT W/ (Ag+, Pb2+, Ca2+, Sr2+, Ba2+) Insolubility Rules correct ...

compound interest - ANS 30 60 90 triangle 45 45 90 triangle - ANS Solubility Rules - ANS 1) group 1, NO3-, NH4+, ClO4-, C2H3O2- (acetate) soluble salt 2) Most Ag+, Pb2+, Hg2 (2+) salt is insoluble (except when paired with above). Plant Hormones (A CAGE) - ANS Auxin / IAA (indoleacetic acid): plant growth, elongation, phototropism Cytokinin: stimulates cytokinesis Abscisic Acid (ABA): growth inhibitor. delay growth. Gibberellins: cell ...

Complete the table with the data from the lab. - Mole Ratio: 1:5, 1:3, 1:2, 1:1, 2:1, 3:1, 5:1 Volume of Precipitate: 45mL, 55mL, 47mL, n/a, n/a, n/a, n/a What signs of a chemical reaction did you observe during the experiment? - -change in color -formation of a precipitate What are the reactants in this chemical reaction? - -Sodium hydroxide: NaOH -Ferric nitrate: Fe(NO3)3 What mole ratio produces the most precipitate? - 1:3 What is the balanced equation for the reactions? Identify the ...