Which term represents a type of nuclear reaction? (1) condensation (2) vaporization (3) single replacement (4) natural transmutation
Which element reacts spontaneously with 1.0M HCl (aq) at room temperature? (1) copper (3) silver (2) gold (4) zinc
Which term identifies a type of organic reaction? (1) deposition (3) esterification (2) distillation (4) sublimation
The concentration of a solution can be expressed in (I ) milliliters per minute (2) parts per million (3) grams per Kelvin (4) joules per gram
In terms of entropy and energy, systems in nature tend to undergo changes toward (1 ) lower entropy and lower energy (2) lower entropy and higher energy (3) higher entropy and lower energy (4) higher entropy and higher energy
Given the balanced equation representing a reaction: H2O + HCl ==> H3O+ + Cl- According to one acid-base theory, the H2O molecule (1) accepts H+ ions (3) donate H+ ions (2) accepts OH- ions (4) donates OH- ions
Which notations represent different isotopes of the element sodium? (1) 32S and 34S (3) Na+ and Nao (2) S2- and S6+ (4) 22Na and 23Na
Which statement describes one acid-base theory? (1) An acid is an H+ acceptor, and a base is an H+ donor. (2) An acid is an H+ donor,. and a base is an H+ acceptor. (3) An acid is an H- acceptor, and a base is an H-donor. (4) An acid is an H- donor, and a base is an H acceptor.
In an oxidation-reduction reaction, the number of electrons lost is (1) equal to the number of electrons gained (2) equal to the number of protons gained (3) less than the number of electrons gained (4) less than the number or protons gained
Equal amounts or ethanol and water are mixed at room temperature and at 101.3 kPa. Which process is used to separate ethanol from the mixture? (1) distillation (2) reduction (3) filtration (4) ionization
Which polyatomic ion is found in the compound represented by the formula NaHCO3? (1) acetate (3) hydrogen sulfate (2) hydrogen carbonate (4) oxalate
Which compound yields H + ions as the only positive ions in an aqueous solution? (1) KOH (3) CH3OH (2) NaOH (4) CH3COOH
A 1-gram sample or a compound is added to 100 grams of H2O(l) and the resulting mixture is then thoroughly stirred. Some of the compound is then separated from the mixture by filtration. Based on Table F, the compound could be (1) AgCl (3) NaCl (2) CaCl2 (4) NiCl2
Which property is a measure of the average kinetic energy of the particles in a sample or matter? (1) mass (2) density (3) pressure (4) temperature
Given the balanced ionic equation: 3Pb2+ + 2Cr ==> 3Pb + 2Cr3+ What is the number of moles of electrons gained by 3.0 moles of lead ions? (1) 5.0 mol (3)3.0 mol (2) 2.0 mol (4) 6.0mol