General Chemistry I Questions & Answers

GENERAL CHEMISTRY I QUESTIONS & ANSWERS * See Exam Review 1 (#5) - CORRECT ANSWER - ... * See Exam Review 1 (#6) - CORRECT ANSWER - ... #124 - CORRECT ANSWER - ... 1.6x10^-19 coulombs - CORRECT ANSWER - This is the magnitude of the charges on a proton and an electron plus the unit 2 - CORRECT ANSWER - Number of atoms bonded to sp carbon? (no unbonded electron pairs) 2 - CORRECT ANSWER - Number of hybrid orbitals in sp? 3 - CORRECT ANSWER - Number of atoms bonded to sp2 carbon? (no unbonded electron pairs) 3 - CORRECT ANSWER - Number of hybrid orbitals in sp2? 4 - CORRECT ANSWER - Number of atoms bonded to sp3 carbon? (no unbonded electron pairs) 4 - CORRECT ANSWER - Number of hybrid orbitals in sp3? 5 - CORRECT ANSWER - how many of the bonds are sigma bonds? 9x10^9 - CORRECT ANSWER - The value of Coulomb's constant, k, is ________ A group of covalently bonded atoms that has an overall electrical charge is called a(n) - CORRECT ANSWER - polyatomic ion A mixture at equilibrium that contains less product than reactant has a Keq that is ______. - CORRECT ANSWER - A mixture at equilibrium that contains less product than reactant has a Keq that is LESS THAN 1. A polar bond is found in which of these compounds? a) H2O b) F2 c) NaCl d) H2 e) N2 - CORRECT ANSWER - a) H2O A(n) ___________ is the smallest neutral unit of two or more atoms held together by a covalent bond. - CORRECT ANSWER - A MOLECULE is the smallest neutral unit of two or more atoms held together by a covalent bond. According to the ATOMIC THEORY, atoms are neither created nor destroyed during a chemical reaction. - CORRECT ANSWER - TRUE According to the Bronsted-Lowrey definition, A) an acid is a proton receptor B) a base produces H+ ions in aqueous solutions C) a base is proton donor. D) a base is a proton acceptor E) an acid acts as the solvent - CORRECT ANSWER - D) a BASE is PROTON ACCEPTOR