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Examen

CHM 1100C CHAPTER 4-6 QUESTIONS WITH ANSWERS
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septiembre 2024

2024/2025

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Solvent - A liquid substance capable of dissolving other substances Solute - A substance that is dissolved in a solution. Molecular Equation - shows the complete formulas of all reactants and products Complete Ionic Equation - an equation that shows dissolved ionic compounds as dissociated free ions Net Ionic Equation - an equation for a reaction in solution showing only those particles that are directly involved in the chemical change HCl - hydrochloric acid; strong acid ...
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Examen

CHM 1100C EXAM 4 QUESTIONS WITH CORRECT ANSWERS
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1

septiembre 2024

2024/2025

A+
Ionic bond - > or = 2 polar covalent bond - 0.4<and <2 incomplete octet - stable with fewer than eight electrons and include H, He, Li, Be, and B odd electron - odd number of valence electrons formal charge equation - (valence electrons) - (lone pairs) - (1/2) bonding electrons lattice energy equation - LE = k((Q1Q2)/r) , where k is constant, q1 and q2 are charges of ions and r is shortest distance between centers of cation and anion
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Examen

CHM 1100C EXAM 3 QUESTIONS WITH CORRECT WELL DETAILED ANSWERS
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4

septiembre 2024

2024/2025

A+
1 calorie = ? joules - 4.184 joules 1 food calorie = ? cal - 1000 cal Gravitational potential energy equation - E=mgh Kinetic energy equation - KE=1/2mv^2 q calorimeter = ? q rxn - -q rxn Change in internal energy equation - ΔE = q + w q unit - J (energy exchanged between the system and surroundings as heat) w unit - J (energy exchanged between the system and surroundings as work) q>0 - endothermic (system absorbs heat, energy added to the system, heat is being transf...
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Examen

CHM 1100C EXAM 2 QUESTIONS WITH CORRECT WELL DETAILED ANSWERS
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4

septiembre 2024

2024/2025

A+
Ideal gas law (pressure, volume, moles, temp given) - PV=nRT Charle's law (volume and temp given) - V1/T1=V2/T2 Boyle's law (pressure and volume given) - P1V1=P2V2 1 atm = ? mmHg - 760 mmHg Avogadro's law (volume and moles given) - V1/n1=V2/n2 Combined gas law (pressure and volume) - P1V1/T1=P2V2/T2 Gas density formula - d=PM/RT Molar mass formula - M=dRT/P Oxidation number for atoms in their elemental state - 0 Oxidation number for monatomic ions - the charge of th...
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Examen

CHM 1100C EXAM QUESTIONS WITH CORRECT WELL DETAILED ANSWERS
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9

septiembre 2024

2024/2025

A+
ammonium (formula + charge) - NH₄¹⁺ acetate (formula + charge) - C₂H₃O₂¹⁻ hydroxide (formula + charge) - OH¹⁻ hydrogen sulfate (bisulfate) (formula + charge) - HSO₄¹⁻ hydrogen sulfite (bisulfite) (formula + charge) - HSO₃¹⁻ nitrate (formula + charge) - NO₃¹⁻ permanganate (formula + charge) - MnO₄¹⁻ carbonate (formula + charge) - CO₃²⁻ hydrogen carbonate (bicarbonate) (formula + charge) - HCO₃⁻ chromate (formula + charge) - ...
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