chem 162 exam Pack Correctly Answered Questions | UpToDate

Saturated : no double bonds between carbons Unsaturated : at least one double bond between carbon atoms Alkanes : sp3 hybridized carbons 2 | P a g e Bond angle - 109.5 tetrahedral saturated no double bonds end with prefix - ane rotation around the single bonds is easy (facile) Alkene

exothermic reaction : a chemical reaction that releases energy to its surroundings "Heat" is best described as : the energy transferred as a result of a temperature difference endothermic reaction : A reaction that ABSORBS energy in the form of heat Iodine Vapor depositing on a cool surface ...

Strong Acids : HCl, HBr, HI, HNO3, H2SO4, HClO4 Strong Bases : LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 Acid + Base = : Salt + Water COOH Group : Weak acid Hydroxide(OH) Salts : Strong Bases What do acids do with protons? : Donate them What do bases do with protons? 2 | P a g e : Acc...

a) When Na metal reacts with water 368.6KJ of energy is evolved sulfur (S8) burns in air to produce sulfur dioxide, reaction evolves 9.31KJ of heat per gram of S8, write the thermalchemical equation. b) the dissociation of 1 mol sulfur dioxide in elements c) you burn 15.0g of S8 in air. How mu...

Calculate molarity when 734g of lithium sulfate are dissolved in 2500mL of water? : 2.7 Molar Calculate the molarity when 9.0x10^23 molecules of CCl4 are dissolved in 500mL of water? : 3 Molar How much water would 1 need to add to a solution made of 500mL of a 2.4M KCl solution to make the fin...

What is a solute? : the substance that is dissolved What is a solvent? : the substance in which the solute dissolves Usually, is there more solvent or solute present in a solution? : solvent When determining the enthalpy of solution, is deltaH1 and deltaH2 endothermic or exothermic? : endothe...

What is the formula for Sulfuric acid? : H₂SO₄ What is the formula for Hydrochloric acid? : HCl What is the formula for Nitric acid? : HNO₃ What are the three strong acids we will be focusing on? : Sulfuric acid, Hydrochloric acid, and Nitric acid What is the formula for the Hydronium ...

When a redox reaction within a voltaic cell occurs under conditions in which _______, the greater concentration of reactants relative to products drives the reaction to the_______, resulting in ______. : Q<1, right, Ecell>E∘cell When a redox reaction within an electrochemical cell occu...

nitrogen gas : N₂ hydrogen gas : H₂ oxygen gas : O₂ fluorine gas : F₂ chlorine gas : Cl₂ iodine gas : I₂ bromine gas 2 | P a g e : Br₂ Ammonium : NH₄⁺ Carbonate : CO₃²⁻ Hydrogen Carbonate : HCO₃⁻ Acetate : CH₃COO⁻ Hydroxide : OH⁻ Nitrate : N...

1) What is the pH of a solution of 0.020 M HNO3? : 2.) Which of the following is the strongest acid? a) H2SeO3 b) H2SeO c) H2SeO2 d) all the same e) none : a) H2SeO3 -the more oxygens, the stronger the acid 3.) What is the pH of a 0.0050 M solution of sodium cyanide? (HCN Ka = 6.2 x 10-10) a...

If 0.100 mol of solute is added to 0.500 L of solvent with a density of 0.790 g/mL, the molality of the solution is a. 0.166 m b. 0.253 m c. 1.27x10^-4 m d. none e. 0.200 m : b. This question counts the weight of two questions. The half-life of a reactant in a first-order reaction was mea...

If 0.100 mol of solute is added to 0.500 L of solvent with a density of 0.790 g/mL, the molality of the solution is a. 0.166 m b. 0.253 m c. 1.27x10^-4 m d. none e. 0.200 m : b. This question counts the weight of two questions. The half-life of a reactant in a first-order reaction was mea...

Chemistry definition : Study of structure, properties, transformations of matter Matter : Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) : = Interactions between molecules/atoms/ions Solution : = Homogenous ...

Rules for Assigning Oxidation States : 1. Elements in their elemental form are in the zero oxidation state. 2. Group 1 metals are +1 and Group 2 metals are +2. 3. Hydrogen is +1 except when bonded to a metal only (then it's -1) 4. Transition elements must be determined from anion's charge (exc...