Prove that if n is an odd integer, then n2/4 = (n2+ 3)/4.

Introductory Chemistry 5
Use the law of constant composition to complete the table summarizing the amounts of iron and chlorine produced upon the decomposition of several samples of iron(III) chloride.

Chemistry 11
The standard enthalpy change \(\Delta H^{\circ}\) for the thermal decomposition of silver nitrate according to the following equation is +78.67 kJ: \(\mathrm{AgNO}_{3}(s) \rightarrow A g N \mathrm{NO}_{2}(s)+\frac{1}{2} \mathrm{O}_{2}(g)\) The standard enthalpy of formation of \(\mathrm{AgNO}

Chemistry 9
Glycerin, C3H8O3, is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 164 g glycerin to 338 mL H2O at 39.88C? The vapor pressure of pure water at 39.88C is 54.74 torr and its density is 0.992 g/cm3 .

Anatomy & Physiology 1
Explain why CH4 is one of the most common molecules found in nature. Are the bonds between the atoms ionic or covalent?

Campbell Biology 10
Emerging viruses arise by a. mutation of existing viruses. b. the spread of existing viruses to new host species. c. the spread of existing viruses more widely within their host species. d. all of the above.

Principles of Economics 6
A consumer has income of $3,000. Wine costs $3 per glass, and cheese costs $6 per pound. Draw the consumers budget constraint. What is the slope of this budget constraint?

Chemistry 13
Write the equilibrium constant expression for the following reaction: \(A(s)+B(g) \rightleftharpoons C(s)\)

Biology 11
Radial symmetry is characteristic of (a) protostomes (b) chordates (c) mollusks (d) cnidarians (e) sponges