Natural & Applied Sciences

Natural & Applied Sciences Research Papers/Topics

Electrolysis

Galvanic Cell Notation Cell Potentials 

Energetics and Thermochemistry Past Question

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

CHM 101: Chemical Energetics

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

SOLUTION TO CHM101 (CHEMICAL KINETICS)

Here is a solution to the CHM 101 Chemical Kinetics Questions Now, Let get to Business

CHM 101: Hess’s Law

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

Purification of Organic Compounds

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

PAST QUESTIONS (CHM112)-2

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

NOMENCLATURE OF ORGANIC COMPOUNDS

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

CHEM 110: Module 3 Organic Chemistry

Introduction ................................................................... 1 Bonding in carbon compounds.............................................. 7 Alkanes .......................................................................16 Alkenes and Alkynes........................................................31 Aromatic compounds........................................................49 Alkyl halides....................................................................61 Alcohols ...........

OPTICAL ACTIVITY AND RACEMIC MIXTURES

Racemic Mixtures (Racimates) Polarimetry Enantiomeric Excess Separation of Chiral Compounds

HYDROCARBONS2-C-C, CC AND ALKYNES

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

CHM 112: Copy of ISOLATION, PURIFICATION AND CHARACTERIZATION OF ORGANIC COMPOUNDS

CRYSTALLIZATION SUBLIMATION  SIMPLE DISTILLATION CHROMATOGRAPHY VACUUM DISTILLATION STEAM DISTILLATION FRACTIONAL DISTILLATION DIFFERENTIAL EXTRACTION CHROMATOGRAPHY CHARACTERIZATION (STRUCTURAL DETERMINATION) OF ORGANIC COMPOUNDS

Copy of CHM 112 Note on Functional group Class and Nomen of Organic Compound - 2021

Classes of Organic Compounds Homologous Series Properties of Compounds within the Same Homologous Series Functional Groups The IUPAC Naming (nomenclature) System of Organic Compounds Nomenclature of Saturated and Unsaturated Hydrocarbons Nomenclature of Alkenes and Alkynes Nomenclature of Aromatic Hydrocarbons Nomenclature of Fused Cyclic Aromatics Naming Organic Compounds with more than one Functional Groups Determination of Aromaticity Before Naming Application of the 4n+2 Rule Alkanols (Al...

Copy of Chem115 Solutions-2 (past questions)

All answers must be given with the correct units and number of significant figures. For questions 1-14, use scrap paper for your work and record only your answers in the spaces provided. For question 15 through 18, your work must be shown in detail. Questions will be marked for completeness, however will not be graded. Attach additional pages showing your work.


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