Solved: determine whether the given description

Introductory Chemistry 5
Balance each chemical equation. (a) \(\mathrm{Na}_{2} \mathrm{~S}(a q)+\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}(a q) \rightarrow \mathrm{NaNO}_{3}(a q)+\mathrm{CuS}(s)\) (b) \(\mathrm{HCl}(a q)+\mathrm{O}_{2}(g) \rightarrow \mathrm{H}_{2} \mathrm{O}(l)+\mathrm{Cl}_{2}(g)\) (c) \(\mathr

Principles of General Chemistry 2
Problem 1P The atomic mass of Cl is 35.45 amu, and the atomic mass of A1 is 26.98 amu. What are the masses in grams of 3 mol of A1 atoms and of 2 mol of Cl atoms?

Campbell Biology 10
Food chains are sometimes short because a. only a single species of herbivore feeds on each plant species. b. local extinction of a species causes extinction of the other species in its food chain. c. most of the energy in a trophic level is lost as energy passes to the next higher level. d. most pro

Principles of Economics 6
Give an example of a government-created monopoly. Is creating this monopoly necessarily bad public policy? Explain.

Human Biology 11
Why is DNA replication called semiconservative?

Principles of Economics 9
Other things equal, when the government runs a large budget deficit, it _________ national saving and thereby _________ capital formation and productivity growth. a. increases; increases b. increases; decreases c. decreases; increases d. decreases; decreases

Chemistry for today : general, organic, and biochemistry 9
Why is the study of chiral molecules important in biochemistry?

Biochemistry 9
State why the following terms are important in biochemistry: polymer, protein, nucleic acid, catalysis, genetic code