Problem 1
State the problem-solving strategy described by each of the following. (a) What is the term for writing a series of steps that connects the unknown quantity to a given quantity using unit factors? (b) What is the term for rearranging the variables in an equation in order to solve for the unknown variable?
Problem 2
2\. State the problem-solving strategy described by each of the following. (a) What is the term for a drawing that shows the relationship between chemical concepts by connected boxes? (b) What is the term for forming a mental picture in order to understand a chemical concept more clearly?
Problem 3
State the basic metric system unit for each of the following physical quantities. (a) length (b) mass (c) volume (d) time (e) temperature (f) heat energy
Problem 4
State the basic SI unit for each of the following physical quantities. (a) length (b) mass (c) volume (d) time (e) temperature (f) heat energy
Problem 5
State the physical quantity corresponding to each of the following units. (a) \(\mathrm{mm}\) (b) \(\mathrm{kg}\) (c) \(\mathrm{cm}^{3}\) (d) s (e) \({ }^{\circ} \mathrm{C}\) (f) \(k\) cal
Problem 7
State the physical quantity corresponding to each of the following metric units. (a) \(\mathrm{m} / \mathrm{s}\) (b) \(\mathrm{g} / \mathrm{mL}\) (c) \(\operatorname{cal} /\left(g \times{ }^{\circ} \mathrm{C}\right)\) (d) \(\mathrm{g}\) solute \(/ 100-\mathrm{g}\) solution
Problem 8
State the physical quantity corresponding to each of the following metric units. (a) \(\mathrm{km} / \mathrm{h}\) (b) \(\mathrm{kg} / \mathrm{m}^{3}\) (c) \(J /(k g \times K)\) (d) mol solute/1-L solution
Problem 9
Estimate an approximate answer for each of the following calculations. Verify your ballpark answer using a calculator: $$\begin{array}{l}\text { (a) } 0.750 \mathrm{~g} \mathrm{Mg} \times \frac{1 \mathrm{~mol} \mathrm{Mg}}{24.31 \mathrm{~g} \mathrm{Mg}}\times\frac{1\mathrm{~mol} \mathrm{MgO}}{1 \mathrm{~mol} \mathrm{Mg}} \times \frac{40.31 \mathrm{~g} \mathrm{MgO}}{1 \mathrm{~mol} \mathrm{MgO}} \\\=? \mathrm{~g} \mathrm{MgO}\end{array}$$
Problem 10
Estimate an approximate answer for each of the following calculations. Verify your ballpark answer using a calculator: $$\begin{array}{l}\text { (a) } 42.05 \mathrm{~mL} \mathrm{HI} \times \frac{0.195 \mathrm{~mol} \mathrm{HI}}{1000 \mathrm{~mL} \mathrm{HI}} \times \frac{1 \mathrm{~mol} \mathrm{Ba}(\mathrm{OH})_{2}}{2 \mathrm{~mol} \mathrm{HI}} \\\\\times \frac{1000 \mathrm{~mL} \mathrm{Ba}(\mathrm{OH})_{2}}{0.105 \mathrm{~mol} \mathrm{Ba}(\mathrm{OH})_{2}}=? \mathrm{~mL} \mathrm{Ba}(\mathrm{OH})_{2} \\ \text { (b) } 39.50 \mathrm{~mL} \mathrm{AlCl}_{3} \times \frac{0.115 \mathrm{~mol} \mathrm{AlCl}_{3}}{1000 \mathrm{~mL} \mathrm{AlCl}_{3}} \times \frac{3 \mathrm{~mol} \mathrm{PbCl}_{2}}{2 \mathrm{~mol} \mathrm{AlCl}_{3}} \\\ \times \frac{278.1 \mathrm{~g} \mathrm{PbCl}_{2}}{1 \mathrm{~mol} \mathrm{PbCl}_{2}}=? \mathrm{~g} \mathrm{PbCl}_{2} \end{array} $$
Problem 13
Draw a concept map that relates each of the following stoichiometric quantities: (a) mass of reactant and mass of product (b) mass of reactant and volume of gaseous product
