Download General Chemistry ACS Final Exam questions and answers 2025 Qs Enthalpy(H) - n Ans✔✔ th and more Exams Nursing in PDF only on Docsity!
General Chemistry ACS Final Exam
questions and answers 2025
Qs Enthalpy(H) - n Ans✔✔ the sum of internal energy of the system and the product of pressure and volume Qs Hess's Law - n Ans✔✔ the change in enthalpy for a step wise process is the sum of the enthalpy changes of the steps Qs Standard Enthalpy of Formation - n Ans✔✔ the enthalpy changes for the reaction forming 1 ole of a pure compound from its constituent elements Qs Reaction types - n Ans✔✔ precipitation reactions, aqueous reactions and net ionic reactions Qs
Net ionic Equation - n Ans✔✔ an ionic equation where all spectator ions are removed Qs stoichiometry - n Ans✔✔ the study o the numerical relationship between chemical quantities in a chemical reaction Qs Molarity - n Ans✔✔ moles of solute/ liters of solution Qs Dilution - n Ans✔✔ the process of preparing a more dilute solution by adding solvent to a more concentrated solution Qs Heterogeneous - n Ans✔✔ different throughout ex) wet sand Qs homogeneous - n
Qs Combined Gas Law - n Ans✔✔ P1V1/n1T1 = P2V2/n2T Qs Change from gas to solid - n Ans✔✔ deposition Qs change from solid to gas - n Ans✔✔ sublimation Qs change from solid to liquid - n Ans✔✔ melting Qs change from liquid to solid - n Ans✔✔ freezing Qs
change from gas to liquid - n Ans✔✔ condensation Qs change from liquid to gas - n Ans✔✔ vaporization Qs Ion - n Ans✔✔ A species of an element in which the number of electrons does not equal the number of protons. Qs Isotope - n Ans✔✔ Each isotope of an atom has a different number of neutrons. Qs Isoelectric - n Ans✔✔ Two atoms with the same charge. Qs Isotopic - n
A molecule that is mostly positive on one side and mostly negative on the other. Qs Free Radicals - n Ans✔✔ Compounds with an odd number of electrons in their Lewis Structure. Eg. NO₂ Qs Incomplete Octets - n Ans✔✔ Occur in elements that can form stable bonds with less than eight electrons. Eg. BF₃ Qs Expanded Octets - n Ans✔✔ Occur in the third row of the periodic table and beyond in elements that can form stable bonds with more than eight electrons. Eg. XeF₂ Qs Hydrogen Bonding - n Ans✔✔ When hydrogen is attracted to electronegative atoms. Qs Sigma Bonding - n Ans✔✔ Formed by head-on overlapping between orbitals.
Qs Coordinate Covalent Bonding - n Ans✔✔ A covalent bond in which the two electrons derive from the same atom; occurs most often between Lewis acids and bases. Qs Pi Bonding - n Ans✔✔ Bonding occurs between orbitals that are side-by-side. Qs Protons - n Ans✔✔ defines the element; positive charge; equal to the atomic number Qs Neutrons - n Ans✔✔ equal to mass number-number of protons; neutral charge Qs Electrons - n Ans✔✔ negative charge; dependent on the charge of the atom
Quantum number l - n Ans✔✔ shape, l=0 to (n-1) Qs Quantum number ml - n Ans✔✔ orientation, -l to +l Qs s orbital - n Ans✔✔ l=0, 1 orbital Qs p orbital - n Ans✔✔ l=1, 3 orbitals Qs d orbital - n Ans✔✔ l=2, 5 orbitals Qs f orbital - n Ans✔✔
l=3, 7 orbitals Qs Nonmetallic character trend - n Ans✔✔ increases from left to right and bottom to top Qs Electron Affinity trend - n Ans✔✔ get more negative from left to right and bottom to top Qs Ionization Energy trend - n Ans✔✔ increases from left to right and bottom to top Qs Metallic Character trend - n Ans✔✔ gets more metallic from right to left and top to bottom Qs Atomic Radius trend - n Ans✔✔ increases from top to bottom and right to left
Ans✔✔ 5 Qs hexa - n Ans✔✔ 6 Qs hepta - n Ans✔✔ 7 Qs octa - n Ans✔✔ 8 Qs nona - n Ans✔✔ 9 Qs deca - n Ans✔✔ 10
Qs Naming Ionic Compounds - n Ans✔✔ metal w/ invariant charge=metal name metal w/ variant charge= metal name(charge) nonmetal= stem of name+-ide Qs Ionic Bond - n Ans✔✔ metal and nonmetal, electrons transferred Qs Covalent Bond - n Ans✔✔ nonmetal and nonmetal, electrons sharede Qs Metallic Bond - n Ans✔✔ metal and metal, electrons pooled Qs 2B 0L - n Ans✔✔ Linear
5B 0L - n Ans✔✔ Trigonal Bipyramidal Qs 5B 1L - n Ans✔✔ Seesaw Qs 5B 2L - n Ans✔✔ T-shaped Qs 5B 3L - n Ans✔✔ Linear Qs 6B 0L - n Ans✔✔ Octahedral Qs 6B 1L - n Ans✔✔
square pyramidal Qs 6B 2L - n Ans✔✔ square planar Qs Kinetic Energy - n Ans✔✔ energy that is being transferred Qs Potential Energy - n Ans✔✔ energy that is stored in an object Qs Silicon Dioxide - n Ans✔✔ Has a unique structure; O-Si-O bonds are always 109.5°. Qs Molar Volume - n Ans✔✔ (Vm) The volume occupied by one mole of a substance.
Bond Energy - n Ans✔✔ The energy required to break a bond, and the energy released when a bond is formed. Qs Enthalpy - n Ans✔✔ change in energy of a system. Qs Entropy - n Ans✔✔ change in chaos of a system. Qs Free Energy - n Ans✔✔ change in spontaneity of a system. Qs Boiling Point - n Ans✔✔ The point at which the vapor pressure of a liquid equals 1 atm. Qs Normal Melting Point - n Ans✔✔
The temperature at which the solid and liquid phases of a substance are in equilibrium at atmospheric pressure (760 mm Hg). Qs Graham's Law of Effusion - n Ans✔✔ The lighter a gas's atomic weight, the faster it will escape a container.
