Physical Chemistry Exercises
92 videos • 1,852 views • by Labor Dr. Lauth by SciFox
Physical Chemistry Basics for Engineers & Scientists: www.PhysChemBasics.de
1
Calculating the hydrostatic pressure of different liquid columns (mercury, ethanol) (10.17)
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2
Calculating the volume of an ideal gas at different temperatures and pressures (10.26)
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3
Calculating the volume of reactant and product gas in the contact process (10.28)
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4
What is an ideal gas? Can the volume of the atoms in argon gas really be neclected? (10.30)
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5
Identifying two gases using the ideal gas law (10.31)
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6
Calculating different state valuables of a gas using the ideal gas law (10.33)
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7
Calculating the mass of noble gas in a neon sign using the ideal gas law (10.36)
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8
Calculating the pressure in a scuba diver's tank (10.39)
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9
Calculating the pressure in an aerosol spray can filled with propane gas (10.40)
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10
Calculating the volume of 50 g dry ice after evaporation (10.41)
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11
Ranking the densities of different gases and vapors using the ideal gas law (10.47) (10.48)
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12
Calculation the oxygen consumption of a moving insect (10.45)
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13
Calculating the molar mass of an unknown gas using ideal gas law (10.51)
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14
Calculation the molar mass of a gas using the ideal gas law (10.54)
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15
Calculating the molar mass of a gas using the ideal gas law (10.54)
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16
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17
Calculating the mass of magnesium to completely remove a given amount of oxygen gas (10.55)
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18
Calculating the volumes of O2 and CO2 in metabolic oxidation of glucose (10.57)
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19
Discussing the process in a Kipp generator quantitatively using the ideal gas law (10.59)
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20
Calculating partial pressures in a hydrogen-oxygen-nitrogen gas mixture using Dalton's law (10.63)
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21
Calculating the pressure rise in a vessel containing air after evaporation of dry ice (10.67)
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22
Calculating the partial pressure of oxygen in a diving gas tank at 100 m water depth (10.71)
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23
Comparison of Root Mean Square (RMS) Speeds of Radon and Helium (10.77)
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24
Calculating average speed, root-mean-square speed (RMS) and most probable speed of gases (10.81)
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25
Calculating the volume of a gas bubble in a lake at different depths using Boyle's law(10.98)
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26
How many helium balloons can be filled from a 6 liter tank ? (10.99)
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27
Calculating the pressure of xenon in a light bulb using ideal gas law (10.100)
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28
Calculating the number of moles in gaseous and liquid propane (10.102)
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29
Calculation the mass of a gas in a gas mixture using its partial pressure (10.108)
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30
Calculation the mass of a gas in a gas mixture using its partial pressure (10.108)
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31
Analysing cyclepropane using the ideal gas law (10.118)
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32
Calculating the mass of product in a combustion reaction with oxygen as limiting reactant (10.119)
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33
Comparing enthalpies of solute, solvent and mixing for the dissolution of NaOH in water (13.20)
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34
Discussing the thermodynamic of mixing (ideal solution, enthalpy, entropy, Gibb's energy) (13.21)
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35
Discussing a supersaturated solution of alum reaching equilibrium (solubility product) (13.23)
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36
Discussing solubility on the example of copper(II)sulphate pentahydrate solution (13.24)
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37
Discussing the solubility of several salts (50 g of NaCl/CaCl2/KNO3/NaNO3 in 100 g water) (13.25)
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38
Calculating the mass of dissolved salt in various saturated solutions (13.26)
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39
Calculating the solubility of hydrogen and argon in water using Henry's law (13.37)
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40
Calculating the concentration of nitrogen in the water of a mountain lake using Raoult's law (13.38)
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41
Calculating mass percentage of a solution and concentration of an alloy in ppm(13.39)
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42
Calculating Mole Fraction, Mass Percent and Molality of a solution (13.41)
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43
Calculation molarity of solutions (Magnesium nitrate, lithium perchlorate, nitric acid) (13.43)
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44
Calculating molality of solutions- NaCl in water, benzene in CCl4 (13.45)
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45
Calculating mass percentage, mole fraction, molarity and molality of sulfuric acid (13.47)
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46
Calculation mole fraction, molality and molarity of a solution of methanol in acetonitrile (13.49)
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47
Calculating the number of moles of solute in aqueous solutions (13.51)
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48
Calculation the mass percentage of aqueous nitric acid of a given density and molarity (13.55)
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49
Calculating molarity and molality of zinc in a brass alloy (13.57)
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50
Calculation vapor pressure for an aqueous solution using RAOULT's law (13.63)
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51
Determining if a solution is ideal by comparing vapor pressures using Raoul's law (13.64)
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52
Ranking of solutions (electrolyte & non-electrolyte) in order of increasing boiling points (13.71)
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53
Producing a Glycol/Water mixture that freezes at - 10 °C (13.75)
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54
Calculating the osmotic pressure of aspirin dissolved in water (13.77)
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55
Calculating osmotic pressure of baltic sea water (salinity 1 %) using van't Hoff's equation (13.78)
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56
Calculating the concentration of oxygen in a soft drink - both in liquid and gas phase (13.93)
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57
Calculating equilibrium of a vapor pressure osmometry setup (0.05 M NaCl & 0.04 M CaCl2) (13.101)
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58
Determining the molar mass of a solute using the vapor pressure of its solution (13.102)
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59
Calculating the molar mass of a solute using boiling point data (13.104)
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60
Calculating the freezing point of water after reaction with sodium (13.112)
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61
Discussing the integrated rate law (plot of concentration over time) for a simple reaction (14.4)
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62
Calculating the rate of disappearance of reactant at different times of a reaction (14.19)
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63
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64
Calculating the rate of reactant consumption and pressure change for several reactions (14.25)
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65
Discussing rate laws and reaction rates for several reaction with different orders (14.28)
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66
Discussing kinetics of a first order reaction (rate & rate law for decomposition of N2O5) (14.29)
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67
Discussing the kinetics of a second order reaction (C2H5Cl+OH-) (14-31)
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68
Comparing reaction rates and activation energies using the Arrhenius equation (14.59)
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69
Discussing quantitatively the effect of a catalyst on activation energy and reaction rate (14.87)
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70
Discussing kinetics (molecularity, order and activation energy) of the reaction 2A - B (14.89)
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71
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72
Discussing thermodynamics of ice melting (enthalpy, entropy, spontaneity) (19.15)
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73
Calculating the entropy of vaporization for mercury at its boiling point (19.23)
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74
Estimating standard entropy of the isomers 1-hexene and cyclohexane (19.46)
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75
Estimating and calculating reaction entropy using standard entropies (19.52)
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76
How do Enthalpy, Temperature and Entropy affect the Spontaneity of a Reaction (19.67)
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77
Calculating standard Gibbs free energy ΔG° and Gibbs free energy for chlorination of methane (19.78)
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78
Calculating of the mixing temperature after dropping an ice cube into liquid water (19.107)
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79
Identifying oxidation numbers and transferred electrons in oxidation-reduction reactions (20.18)
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80
Identifying oxidation-reduction reactions and oxidation numbers (20.19)
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81
Discussing the reduction of silicon tetrachloride with hydrogen as a redox reaction (20.21)
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82
Balancing redox reactions in acidic solutions (Cr, Mn, Iodine, S, Nitrate, H2O2) (20-23)
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83
Discussion of a magnesium/nickel voltaic cell (oxidation/reduction; +/-terminals)(20.29)
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84
Calculating the pH of a hydrogen electrode from emf (20.71)
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85
Discussing the oxidation process in a lead battery quantitatively using Faraday's law (20.73)
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86
Discussion cathodic electrochemical corrosion protection (20.86)
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87
Discussion disproportionation on the example of bromine reacting to bromide and bromate (20.97)
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88
Discussing the temperature dependence of the potential of a copper/bromine galvanic cell (20.114)
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89
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90
Calculation standard redox potential of silver iodide using its solubility product (20.118)
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91
Video Assignment about solving a Physical Chemistry Exercise
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92
Influences on emf of a Cu/Zn cell: electrolyte concentration; electrode area, operation time (20.63)
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