Chapter 1: Q51E (page 9)
Question : Name the following compounds
f. AlF3
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Of the five elements Al, Cl, I, Na, Rb, which has the most exothermic reaction? (E represents an atom.) What name is given to the energy for the reaction? Hint: note the process depicted doesnotcorrespond to electron affinity
\({{\bf{E}}^ + }(g){\rm{ }} + {\rm{ }}{{\bf{e}}^ - } \to {\bf{E}}(g)\)
The following quantities were reported on the labels of commercial products. Determine the number of significant figures in each.
(a) 0.0055 g active ingredients
(b) 12 tablets
(c) 3% hydrogen peroxide
(d) 5.5 ounces
(e) 473 mL
(f) 1.75% bismuth
(g) 0.001% phosphoric acid
(h) 99.80% inert ingredients
How does an atom differ from a molecule? In what ways are they similar?
How are the molecules in oxygen gas, the molecules in hydrogen gas, and water molecules similar? How do they differ?
Question:The gas tank of a certain luxury automobile holds 22.3 gallons according to the owner’s manual. If the densityof gasoline is 0.8206 g/mL, determine the mass in kilograms and pounds of the fuel in a full tank.
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