Which of the following is correctly classified? I: 2 Al(s) + 3 Cl2(g)  ⟶  2 AlCl3(s)   Classified as a combination reaction. II: 2 NaOH(aq) + H2SO4(aq)  ⟶  Na2SO4(aq) + 2 H2O(l) Classified as a neutralization reaction. III: CaCO3(s)  ⟶  CaO(s) + CO2(g)  Classified as a decomposition reaction. IV: CH4(g) + 2 O2(g)  ⟶  CO2(g) + 2 H2O(g) Classified as a combustion reaction. V: AgNO3(aq) + NaCl(aq)  ⟶  AgCl(s) + NaNO3(aq)  Classified as a precipitation reaction.

Which compound behaves as a strong electrolyte in aqueous solution?

The magnesium element has three stable isotopes: Mg-24 with mass 23.98504 amu is 78.99% abundant, Mg-25 with mass 24.98584 amu is 10.00% abundant; and Mg-26. The mass of Mg-26 is closest to:

A student has 100. mL of 6.0 M HCl stock solution.  They take 31.25 mL of the stock solution and dilute it using enough water to make 250. mL of solution.  What is the resulting concentration if they take 25.0 mL of this new solution and dissolve it in enough water to make 100. mL of solution?

Based on median voter theory, who gets results after the general election?

Based on class, the puzzle pieces are

Based on class discussion, the county chair is selected by the _________________, while the _______________ selects the state chair and vice chair.

The ideas and positions supported by a political party are found in the

In a newly discovered species of bird, researchers observe the following: females build elaborate shelters decorated with brightly colored objects. These take roughly two full weeks to build, and are only used as displays. They are NOT used for nesting. males choose females to mate with based on the quality of their display. Females that build bigger, more colorful displays attract more mates. Based on this information and basic principles of sexual selection, we would predict that _____.

We studied several different species interactions. Which of the following species interactions are characterized as + / – interactions, where one species benefits and the other is harmed as a result of the interaction? Choose all the correct answers.