Give the expected product(s) of E2 elimination for each reaction. (Hint: Use models!)

Introductory Chemistry 5
Is each chemical equation correctly balanced? If not, correct it. (a) \(R b(s)+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{RbOH}(a q)+\mathrm{H}_{2}(g)\) (b) \(2 \mathrm{~N}_{2} \mathrm{H}_{4}(g)+\mathrm{N}_{2} \mathrm{O}_{4}(g) \rightarrow 3 \mathrm{~N}_{2}(g)+4 \mathrm{H}_{2}

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. \(\mathrm{C}_{40} \mathrm{H}_{56}\)

Anatomy & Physiology 1
Cancer cells can be characterized as generic cells that perform no specialized body function. Thus cancer cells lack ________. a. differentiation b. reproduction c. responsiveness d. both reproduction and responsiveness

Anatomy & Physiology 1
The smallest unit of an element that still retains the distinctive behavior of that element is an ________. a. electron b. atom c. elemental particle d. isotope

Chemistry: Principles and Reactions 8
Classify each of the following as element, compound, or mixture. (a) air (b) iron (c) soy sauce (d) table salt

Plant Systematics 3
What is systematics and what is its primary emphasis?

Plant Systematics 3
What is a primary tenet of phylogenetic systematics with respect to apomorphies?

Chemistry for today : general, organic, and biochemistry 9
The active ingredient in meat tenderizer is the enzyme papain, a protease. Explain how treating meat with this material before cooking would make it more tender.