trans-Cyclodecene boils at 193°C, but cis-cyclodecene boils at 195.6 °C. Write stru ctural formulas for these two compounds.

Using the theorem " Laplace Transform of Integral" , find f(t) if $\mathscr{L}(f)$ equals:

$\frac{1}{s^4+\pi^2 s^2}$

Using clay (or glazing compounds), make a doughnut. Without puncturing or tearing the doughnut, reshape it into a topologically equivalent figure, a cut with a handle.

Name the following compounds: a $\mathrm{Cl}_2 \mathrm{O}_6$, b $\mathrm{PCl}_3$, c. $\mathrm{PCl}_5$.

Predict whether each of the following compounds is soluble or insoluble in hexane, C$_{6}$H$_{14}$.

trichloroethylene, C$_{2}$HCl$_{3}$

A balanced chemical equation must have the same number of which of these on both sides of the equation?

A) atoms

C) molecules

B) reactants

D) compounds

Give the structure of each of the following compounds. (a) sodium isopropoxide (b) potassium tert-butoxide (c) magnesium 2,2-dimethyl-1-butanolate

Name each of the following compounds and indicate which ones are best described as ionic:\

$$\mathrm{K}_3 \mathrm{PO}_4$$

Predict the empirical formulas of the ionic compounds formed from the following pairs of elements. Name each compound.

$\mathrm{Li}$ and $\mathrm{N}$

Assign oxidation states for all atoms in each of the following compounds. $\mathrm{Na}_{4} \mathrm{Fe}(\mathrm{OH})_{6}$

Name the following compounds:
$\mathrm{Co}\left(\mathrm{NO}_3\right)_2$ $\cdot$ $6 \mathrm{H}_2 \mathrm{O}$.

Until the early 1960s, the noble gases were not known to form any compounds. Since then, a few compounds of $\mathrm{Kr}, \mathrm{Xe}$, and $\mathrm{Rn}$ - and one compound of Ar-have been made in laboratories. Draw Lewis structures for the following molecule: $\mathrm{XeOF}_4$. Please note that $\mathrm{Xe}$ is the central atom.

Use linearity and Table of the Laplace transforms to determine the Laplace transform of the function $f(t)=3+t+e^{-t} \sin 2 t$.

Show how each of the following compounds can be synthesized from benzene: a. o-nitrophenol, b. p-nitroaniline, c. p-bromoanisole, d. anisole