Determine a news article or research report that can be summarized with a two-way table similar to Table $1.1$. Draw a Venn diagram to represent the data in the table.

Write skeleton equations for the following reactions. aluminum(s) + copper(I) chloride(aq) $\rightarrow$ aluminum chloride(aq) + copper(s)

Write skeleton equations for the following reactions. chromium(VI) hydroxide(s) $\rightarrow$ chromium(VI) oxide(s) + water(l)

Write skeleton equations for the following reactions. ammonium phosphate(aq) + chromium(III) bromide(aq) $\rightarrow$ ammonium bromide(aq) + chromium(III) phosphate(s)

At 298 K, the equi librium constant for the reaction

$$Fe2O3(s) + 3 H2(g) ↔2 Fe(s) + 3 H2O(l)$$

is 4.0×10^-6, and that for

$$CO2(g) + H2(g) ↔CO(g) + H20(l)$$

is 3.2×10^-4 Suppose some solid Fe2O3, solid Fe, and liquid H2O are brought into equilibrium with CO(g) and CO2(g) in a closed container at 298 K. Calculate the ratio of the partial pressure of CO(g) to that of CO2(g) at equilibrium .

Rephrase the following quotation using one of more conditional statements (if $p$, then $q$ ). "Even if you're flipping fries at McDonalds, if you are excellent, everybody wants to be in your line." —Oprah Winfrey

Write balanced equations for each reaction. Magnesium metal and water combine to form solid magnesium hydroxide and hydrogen gas.

Write balanced equations for the reaction of each metal with water. lithium

Write the formula and name the compound formed when each pair of elements combine. barium and chlorine

Given the elements Ar, Cs, Br, and Ra, identify those that form positive ions. Explain your answer.

Why is photoperiodism a better phrase to describe the phenomenon than nyctoperiodism?

Express each answer with the correct number of significant figures. a. 18.23 - 456.7 b. $4.233 \div 0.0131$ c. $(82.44 \times 4.92) + 0.125$

This reaction has an equilibrium constant of $K_{\mathrm{p}}=2.26 \times 10^{4}$ at 298 K. $\mathrm{CO}(g)+2 \mathrm{H}_{2}(g) \rightleftharpoons \mathrm{CH}_{3} \mathrm{OH}(g)$ Calculate $K_p$ for each reaction and predict whether reactants or products will be favored at equilibrium. a. $\mathrm{CH}_{3} \mathrm{OH}(g) \rightleftharpoons \mathrm{CO}(g)+2 \mathrm{H}_{2}(g)$ b. $\frac{1}{2} \mathrm{CO}(g)+\mathrm{H}_{2}(g) \rightleftharpoons \frac{1}{2} \mathrm{CH}_{3} \mathrm{OH}(g)$ c. $2 \mathrm{CH}_{3} \mathrm{OH}(g) \rightleftharpoons 2 \mathrm{CO}(g)+4 \mathrm{H}_{2}(g)$

Complete the missing information in the following skeleton equation and balance the chemical equation: $\mathrm{NaOH}(\mathrm{aq})+ ? \rightarrow 3 \mathrm{NaCl}(\mathrm{aq})+\mathrm{Al}(\mathrm{OH})_{3}(\mathrm{aq})$