1. A certain rate law is given as Rate = k[H2][Br2]1/2. What is the reaction order? a. ½ b.3/2c. ¾ d. 1/3 2. Using the integrated form of the rate law, determine the rate constant k of a zero-order reaction if the initial concentration of substance A is 1.5 M and after 120 seconds the concentration of substance A is 0.75 M. a. 0.00625 M/s b. 0.00875 M/s c. 0.00986 M/s d. 0.0096 M/s 3. Determine the half-life of zero-order reaction if the original concentration of the reactant is 1.2 M ...
1. Which of the following statements is true about ORDER of a reaction? a. It is obtained from a single balanced equation b. It is always a whole number c. It cannot be obtained from a balanced chemical equation d. It reveals some basic facts about reaction mechanism Answer = c 2. One of the following statements is not true about the MOLECULARITY of a reaction a. It is always a whole number b. It is generally not exceeding three and never zero. c. It reveals some basic facts about react...
Galvanic Cell Notation Cell Potentials
The branch of chemistry that deals with the heat changes caused by chemical reactions is called (a) thermodynamics(b) thermal chemistry (c) thermochemistry(d) None of these In an exothermic reaction, the integral energy of the products is _________ internal energy of the reactants (a) greater than (b) lesser than (c) equal to (d) none of these
Energy Basic thermodynamics Heat changes at constant pressure: the enthalpy Molecules as energy carriers and converters Energetics of chemical reactions Thermochemistry Some applications of First-law-related topics
Here is a solution to the CHM 101 Chemical Kinetics Questions Now, Let get to Business
Hess’s Law Using Hess’s law to determine enthalpy changes from enthalpy changes of formation. Using Hess’s law to determine enthalpy changes from enthalpy changes of combustion
Simple Crystallisation Fractional Crystallisation Simple Distillation Fractional Distillation Distillation under Reduced Pressure Steam Distillation Azeotropic Distillation Chromatography Differential Extraction Chemical Methods Purification of Commercial Benzene Drying of Organic Substances
1. Which is most reactive? A. C6H12 B. C5H12 C. C6H10 D. C6H14 2.The following are hydrocarbons except A. Hepta-1,4-diene B. Phenol C. Toluene D. Benzene 3. Which of the following alkenes can exist as cis-trans isomer A. 2,3-dimethylbutene B. Cyclopentene C. 2-hexene D. 1-hexane 4. CH4 + NO2 = CH2NO2 + H2 what type of rxn is this A. Substitution B. Nitration C. Elimination D. Addition
PAST QUESTION CHM 112
Naming Saturated Hydrocarbons - The Alkanes Rules for Naming of Branched Hydrocarbons Naming Unsaturated Hydrocarbons – Alkenes and Alkynes Rules for Naming Alkenes and Alkynes Naming Aromatic Compounds Naming Functional Group Compounds
Introduction ................................................................... 1 Bonding in carbon compounds.............................................. 7 Alkanes .......................................................................16 Alkenes and Alkynes........................................................31 Aromatic compounds........................................................49 Alkyl halides....................................................................61 Alcohols ...........
Racemic Mixtures (Racimates) Polarimetry Enantiomeric Excess Separation of Chiral Compounds
Hydrocarbons Classification Alkanes Nomenclature and Isomerism Properties Conformations Structure of Double Bond Alkenes Nomenclature Alkynes Aromatic Hydrocarbon Structure of Benzene Resonance and Stability of Benzene Aromaticity Preparation of Benzene Directive Influence of a Functional Group in Monosubstituted Benzene Carcinogenicity and Toxicity
CRYSTALLIZATION SUBLIMATION SIMPLE DISTILLATION CHROMATOGRAPHY VACUUM DISTILLATION STEAM DISTILLATION FRACTIONAL DISTILLATION DIFFERENTIAL EXTRACTION CHROMATOGRAPHY CHARACTERIZATION (STRUCTURAL DETERMINATION) OF ORGANIC COMPOUNDS