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What is the concentration of HCl in the final solution when 65 mL of a 12 M HCl solution is diluted with pure water to a total volume of 150. mL?

Match the following terms with their definitions. Write ONLY the NUMBER that is in the column on the left of the definitions in the answer field next to each term.  (There are more definitions than needed.)     Terms:  a) solute- [ste] b) formula mass- [fm] c) precipitate- [ppt]    d) reducing agent – [redA]      Definitions:      1  sum of the average masses for all atoms represented in a chemical formula; for covalent compounds, this is also the molecular mass, in amu 2  weighted average of the atomic masses of all stable isotopes of an element, in amu 3  solution component present in a concentration less than that of the solvent 4  insoluble product that forms from reaction of soluble reactants 5  reaction between an acid and a base to produce salt and water 6  amount of substance containing the same number of atoms, molecules, ions, or other entities as the number of atoms in exactly 12 grams of 12C 7 process in which an element’s oxidation number is decreased by gain of electrons 8  experimentally determined value of the number of entities comprising 1 mole of substance, equal to 6.022 × 1023 mol−1 9  substance that brings about the reduction of another substance, and in the process becomes oxidized

Which of the following represents a metal displacement reaction?

Upon reaction of 38.6 g of  copper(III) iodide with excess lead(II) nitrate, 42.5 g of lead(II) iodide  was obtained according to the balanced equation: 2 CuI3(aq) + 3 Pb(NO3)2(aq)⟶ 2 Cu(NO3)3(aq) + 3 PbI2(s) What is the percent yield of lead(II) iodide?  (If you wish, show your work for possible partial credit.)

Manson and his wife went out shopping for clothes one day. Since Manson always wore SoftSewn brand shirts, his wife picked out only those shirts for him to try on. However, when shown the shirts, Manson said, “I need to try something different.” Manson’s response is an example of _____.

How many WAN links are required to create a full mesh of connections between five remote sites?

Curtis likes to drink soda. He takes the empty bottles and cans that he has collected to his wife, who uses them to make art. This is an example of how to:

General Knowledge question How can firewalls be used to protect an organization’s internal network, while allowing connectivity to an untrusted network, like the Internet?   Define: a) Packet-filtering Firewall b) State-full Firewall c) Firewall Zones

Each sample in the figure below contains one mole of the substance. Which, if any, has the most mass?    

An oxide ion, O2–, has: