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CHEM 110 - BYU Study Resources
  • 3 Pages magnesium-lab-answers
    magnesium-lab-answers

    School: BYU

    1. Carbon monoxide= CO, carbon dioxide= CO2 2. When there is insufficient oxygen 3. CO; it binds strongly to hemoglobin interfering with oxygen transport in blood 4. N2O vs. NO2, H2O vs. H2O2 5. Definite proportions: a compound contains the same elements

  • 6 Pages isomers-answers
    isomers-answers

    School: BYU

    Isomers Structural Isomers 1. a) CH3 CH2 CH2 CH3 CH3 CH3 CH CH3 2-methylpropane (C4H10) CH3 CH CH CH3 CH2 CH2 CH CH3 Butane (C4H10) 1. CH2 CH CH2 CH3 1-butene 2-butene CH3 CH2 C CH3 CH2 CH2 CH2 CH2 2-methylpropene cyclobutane methylcyclopropane 1. a) C4H8

  • 13 Pages intermolecular-forces (1)
    intermolecular-forces (1)

    School: BYU

    Questions Why do some solids dissolve in water but others do not? Why are some substances gases at room temperature, but others are liquid or solid? What gives metals the ability to conduct electricity, what makes non-metals brittle? The answers have to

  • 9 Pages intermolecular-forces
    intermolecular-forces

    School: BYU

    Intermolecular forces and solubility and Why mixtures mix Why Consider a glass of wine. Why do alcohol, water, & pigment mix together? There must be attractive forces. Intramolecular forces Intermolecular forces occur between atoms occur between molecul

  • 2 Pages innovation-light-speed-answers
    innovation-light-speed-answers

    School: BYU

    1. With fire beacons 10. 2. Weather (visibility poor, rain/cloud/mist) 11. 3. War was over 12. 4. 1858 13. 5. Sending signals as notes, combining 14. messages on wire 6. Patented telephone 15. 7. Water 16. 8. Turn signal on & off 17. (wink on & off) 18. 9

  • 12 Pages ideal-gas-law
    ideal-gas-law

    School: BYU

    T heIdealGas Law PV=nRT Ideal Gases Ideal An ideal gas exhibits certain theoretical properties. Specifically, an ideal gas Obeys all of the gas laws under all conditions. Does not condense into a liquid when cooled. Shows perfectly straight lines when its

  • 20 Pages hydrocarbon-nomenclature
    hydrocarbon-nomenclature

    School: BYU

    Naming Hydrocarbons (nomenclature) Drawing Structures: Its All Good H C 2-butene H H H C C C C H H H H3C H H H3C CH CH CH3 This is called the condensed structure CH H3C H3C C H CH CH3 CH3 CH3 On a test, choose a method that shows all CH3CH=CHCH3 Hs Using

  • 9 Pages hydrocarbon-naming-answers
    hydrocarbon-naming-answers

    School: BYU

    H3C CH3 CH3 H3C 1 CH3 CH2 CH2 CH2 CH2 CH2 CH2 2 CH3 CH2 CH2 CH CH2 CH2 CH3 H2C CH3 3 octane 4 CH CH3 CH3 2,5-dimethyloctane CH3 CH3 CH2 CH CH C CH H2C CH3 2,2-dimethyl-3-hexene CH3 CH3 CH2 CH2 CH CH2 CH3 1,3-diethylcyclopentane 5 CH2 CH3 CH CH2 CH2 CH CH2

  • 4 Pages hydrocarbon-models-answers
    hydrocarbon-models-answers

    School: BYU

    Hydrocarbons Hydrocarbons 2. Carbon and Hydrogen. 4. Figure 5 does not accurately reflect molecular shape and atomic size (e.g. atomic size relative to bond length). 5. a) HHHHHH H c) C C C C C H b) C H H H H H H CH3 CH2 CH2 CH2 CH2 CH3 6. Carbon: 6, Hydr

  • 6 Pages isomers-polymers-answers
    isomers-polymers-answers

    School: BYU

    Isomers and polymers Structural Isomers 1. Pentane and 2-methylbutane are both C5H12. CH2 CH CH2 CH3 CH3 CH CH CH3 2. 1-butene 2-butene CH3 CH2 C CH3 2-methylpropene CH2 CH2 CH2 CH2 cyclobutane CH2 CH2 CH CH3 methylcyclopropane 3. C4H10 has 2 isomers (2-m

  • 17 Pages Ka-acid-ionization
    Ka-acid-ionization

    School: BYU

    Ka, Kb Ka, 1. 2. 3. 4. Comparing the pH of two acids Comparing Predict the pH of HCl and HF (below) Calibrate a pH meter Measure the pH of HCl(aq) and HF(aq) Complete the chart below HCl (aq) HF (aq) [ ] in mol/L (on label) 0.05 0.05 Net ionic equation HC

  • 12 Pages kmt
    kmt

    School: BYU

    States of Matter, Kinetic Molecular Theory Read 9.1 (pages 418 420) 1. Are there larger attractive forces between molecules of gases, liquids, or solids? Explain. 2. Which state(s) of matter have these properties: a) definite shape, b) definite volume, c)

  • 4 Pages limiting-reagents-lab-answers
    limiting-reagents-lab-answers

    School: BYU

    1) 2) CaCl22H2O(aq) + Na2CO3(aq) 2H2O + CaCO3(s) + 2NaCl(aq) # mol CaCl22H2O= 3) 2.00 g CaCl22H2Ox 1 mol CaCl22H2O = 0.0136 mol 147.02 g CaCl22H2O CaCl22H2O # mol Na2CO3 = 1.00 g Na2CO3 x 1 mol Na2CO3 = 0.00943 mol Na2CO3 105.99 g Na2CO3 What we have Wha

  • 12 Pages solutions-stoichiometry
    solutions-stoichiometry

    School: BYU

    Stoichiometry overview Recall that in stoichiometry the mole ratio provides a necessary conversion factor: molar mass of x molar mass of y grams (x) moles (x) moles (y) grams (y) mole ratio from balanced equation We can do something similar with solutions

  • 6 Pages molar-solutions-solids
    molar-solutions-solids

    School: BYU

    Making Molar Solutions From Solids What are molar solutions? What A molar solution is one that expresses concentration in moles per volume Usually the units are in mol/L mol/L can be abbreviated as M or [ ] Molar solutions are prepared using: a balance to

  • 11 Pages molar-solutions-liquids
    molar-solutions-liquids

    School: BYU

    Making Molar Solutions From Liquids (More accurately, from stock solutions) Making molar solutions from liquids Making Not all compounds are in a solid form Acids are purchased as liquids (stock solutions). Yet, we still need a way to make molar solutions

  • 8 Pages lewis-structures
    lewis-structures

    School: BYU

    2peripheralLewisbondedtoacentralLewis Because there are exceptions to the octet rule, we need a set of rules to determine how many electrons surround atoms The first step is to determine how the atoms are bonded in a molecule Generally, if there is only

  • 9 Pages Le-Chatelier-principle
    Le-Chatelier-principle

    School: BYU

    Le Chteliers principle The significance of Kc values Read 14.6 (560 - 561) do PE5 If Kc is small (0.001 or lower), [products] must be small, thus forward reaction is weak If Kc is large (1000 or more), [products] must be large, thus forward reaction is s

  • 12 Pages Kw-pH
    Kw-pH

    School: BYU

    Todays lesson is brought to you by 7, 14, and the letters 7, Kw, pH Kw, Kw: the ion-product constant of water Kw: Q: will pure distilled water conduct electricity A: As the demo shows, it will (slightly). If water conducts electricity, ions must exist Wat

  • 10 Pages Ksp-solubility-product
    Ksp-solubility-product

    School: BYU

    Unit 6: Equilibrium applications Ksp Ksp: review (grade 11) 1) What is the molar mass of H2O? 2) How many moles are in 18 g of NaCl? 3) How many g of CaCl2 are found in 2 L of a 3 M solution of CaCl2? (see pg. 130 if you need help) 4) What is the concentr

  • 11 Pages hybrid-orbitals
    hybrid-orbitals

    School: BYU

    Hybrid orbitals, Lewis diagrams, the octet rule Gilbert Newton Lewis (surrounde dbypairs ofelectrons) We can visualize a covalent bond as a balance between attraction and repulsion A second way to view the formation of a bond is to consider orbital diagr

  • 13 Pages u11lectout
    u11lectout

    School: BYU

    Unit 11: Equilibrium / Acids and Bases reversible reaction: R P and Name: _ PR Acid dissociation is a reversible reaction. 2 H1+ + SO41 H2SO4 equilibrium: - looks like nothing is happening, however - Le Chateliers principle: When a system at equilibrium i

  • 4 Pages u4lectout
    u4lectout

    School: BYU

    Unit 4: The Periodic Table and Periodicity Name: _ The Elements Element names come from a variety of sources. elements known to the ancients Au, Ag, S, Sn, C place names Fr, Po, Ge, Ga, In, Eu, Am, Cf, Sc famous people Es, Fm, Md, No, Gd, Rf, Bh foreign l

  • 7 Pages equilibrium-law
    equilibrium-law

    School: BYU

    Equilibrium Law Introduction to the Equilibrium law Read 14.3 to PE1 Equilibrium constant 2 22 2 2 [H2O] [H2] [O ] 2 [O 2H2 2H2(g) + O2(g)2 22]H2O (g) 2 Kc = Mass action expression 2H 2H2(g) + O2(g) 2H2O (g) (g) Step 1: Set up the equilibrium law equatio

  • 16 Pages equilibrium-calculations
    equilibrium-calculations

    School: BYU

    Equilibrium Law Calculations (with RICE charts) Read 566 (from Calculating Kc) to 568. Follow the sample calculation carefully. Example 14.7 - pg. 567 H2 + I2 2HI HI H2 I2 R I C E 1 0.100 -0.08 0.02 1 0.100 -0.08 0.02 2 0 +0.16 0.16 Ratio, Initial, Chang

  • 10 Pages u3lectout
    u3lectout

    School: BYU

    Unit 3: Atomic Structure Name: _ Basics of the Atom Particle Charge Location in the Atom Mass a.m.u.: unit used to measure mass of atoms atomic number: -mass number: To find net charge on an atom, consider _ and _. ion: anion: a () ion cation: a (+) ion -

  • 16 Pages electronegativity-elements
    electronegativity-elements

    School: BYU

    Electronegativity Electronegativity + H Cl 0 H H 0 The basic units: ionic vs. covalent The Ionic compounds form repeating units. Covalent compounds form distinct molecules. Consider adding to NaCl(s) vs. H2O(s): Na Cl Na Cl Cl Na Cl Na O H H HO O H H H

  • 8 Pages electronegativity
    electronegativity

    School: BYU

    Electronegativity Electronegativity + H 0 0 Cl H H Electronegativity Electronegativity Electronegativity describes how electrons are shared in a compound Consider the compound HCl + H Cl The electron clouds represent where the two electrons in the HCl

  • 11 Pages u2lectout
    u2lectout

    School: BYU

    Unit 2: Matter and Energy Name: _ Matter Introductory Definitions matter: anything having mass and volume mass: weight: volume: units: L, dm3, mL, cm3 L3 state of matter: composition: copper: water: properties: -atom: a basic building block of matter Elem

  • 13 Pages dalton-partial-pressure
    dalton-partial-pressure

    School: BYU

    How Much Pressure? Q - A balloon is filled with pure oxygen. What is the pressure of the oxygen in the balloon? A - Atmospheric pressure. If it wasnt, then the balloon would expand or shrink. Q - A windbag is blown up with exhaled air. What is the pressur

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