Chapter 1: Q18.10-98 E (page 9)
98. Explain why sulfuric acid,\({{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}\) , which is a covalent molecule, dissolves in water and produces a solution that contains ions.
Therefore, the bond had a partial ionic character which makes the sulfuric acid form an ionic solution.
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Consider the results of the archery contest shown in this figure.
(a) Which archer is most precise?
(b) Which archer is most accurate?
(c) Who is both least precise and least accurate?
Question: In a recent Grand Prix, the winner completed the race with an average speed of 229.8 km/h. What was his speed in miles per hour, meters per second, and feet per second?
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
\({{\bf{E}}^ + }(g){\rm{ }} + {\rm{ }}{{\bf{e}}^ - } \to {\bf{E}}(g)\)
Toothpastes containing sodium hydrogen carbonate (sodium bicarbonate) and hydrogen peroxide are widely used. Write Lewis structures for the hydrogen carbonate ion and hydrogen peroxide molecule, with resonance forms where appropriate.
Give the name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantities.
a. 103
b. 10-2
c. 0.1
d. 10-3
e. 1,000,000
f. 0.000001
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