What is Heat Capacity of Solid lead?
The thermodynamic properties of solids and liquids are accurately modelled by the Shomate equation. For solids the Shomate equation is, Where Cp is in J…
Chemistry
What is the Boiling Point of n-Alkanes?
A typical n-alkane (n-nonane) is shown in the figure The boiling points (BP/K) of some liquid n-alkanes of formula CnH2n+2 are believed to fit the…
Nonlinear Least squares Curve fitting
There are many equations and laws in Chemistry which may be plotted in Nonlinear Least squares Curve fitting linear graphs, as well as the obvious y=…
Arrhenius Plot
Question: Figure shows the experimental data from a student lab experiment to measure the first-order rate constant of a chemical reaction against temperature. The Arrhenius…
What is the visible Spectrum of Lodine?
The I2 molecule absorb at the red-end of the visible spectrum of lodine and thus appears bluish-purple. Figure shows the visible absorption spectrum of lodine…
Enthalpy of Fusion of n-Carboxylic Acids?
Figure shows the enthalpy of fusion ∆H fusion of four linear saturated n-carboxylic acids as a function of n the number of carbon atoms in…
Spectrophotometer Absorption Measurement of Protein Concentration
A protein has been complexed with a molecule to form a compound that absorbs in the UV-visible range of the spectrum. In the Chemistry lab…
Explain Linear Least Squares Curve Fitting
For a linear or straight line function, Linear Least Squares Curve Fitting we want to find the function, f (x) = mx + c which…
What is Least Square Fitting Equation?
Least square fitting is usually made out to be more difficult than it really is or it is treated as a spreadsheet “black art”. Here…
Mathematical Examples of Dalton’s Law
Mathematical Examples of Dalton’s Law: The total pressure in a gas mixture is the sum of the partial pressures of each individual gas. Examples…
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