Solved: Three cars are driving at 25 m/s along the road

Organic Chemistry 7
Determine the degree of unsaturation for the hydrocarbons with the following molecular formulas: a. \(\mathrm{C}_{10} \mathrm{H}_{16}\) b. \(\mathrm{C}_{20} \mathrm{H}_{34}\) c. \(\mathrm{C}_{8} \mathrm{H}_{16}\) d. \(\mathrm{C}_{12} \mathrm{H}_{20}\) e. \(\mathrm{C}_{40} \mathrm{H}_{56}\)

Chemistry 11
Why is the lattice energy of a solid always a positive quantity? Why is the hydration of ions always a negative quantity?

Chemistry 11
Classify the following bonds as ionic, polar covalent, or covalent, and give your reasons: (a) the CC bond in \(\mathrm{H}_{3} \mathrm{CCH}_{3}\), (b) the KI bond in KI, (c) the NB bond in \(\mathrm{H}_{3} \mathrm{NBCl}_{3}\), (d) the CF bond in \(\mathrm{CF}_{4}\).

Biology 8
Cyanide binds with at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most ofthe cyanide would be found within the a. mitochondria. b. ribosomes. c. peroxisomes d. lysosomes. e. endoplasmic reticulum

Physical Chemistry 8
The orthorhombic unit cell of NiSO4 has the dimensions a = 634 pm, b = 784 pm, and c = 516 pm, and the density of the solid is estimated as 3.9 g cm3. Determine the number of formula units per unit cell and calculate a more precise value of the density.

Biology: The Dynamics of Life 1
In your own words, define the following symbols used in a pedigree: a square, a circle, an unshaded circle, a shaded square, a horizontal line, and a vertical line.

Psychology 1
Compare and contrast classical and operant conditioning. How are they alike? How do they differ?

Plant Systematics 3
What is the difference between alternate and distichous? Between opposite and decussate?