Identify the spectator ions for the reaction between calcium nitrate and sodium sulfate The balanced molecular equation is Ca(NO_(3))_(2)(aq)+Na_(2)SO_(4)(aq)arrow CaSO_(4)(s)+2Na NO3 (aq) Ca^2+ and NO_(3)^- Na^+ and NO_(3)^- Na^+ and SO_(4)^2- Ca^2+ and SO_(4)^2-

Strong bases dissociate only slightly in water. True False

Which value gives the number of particles in 1 mol of a-subsiance? $6.02\times 10^{21}$ $6.02\times 10^{22}$ $6.02\times 10^{23}$ $6.02\times 10^{24}$

Combustion reactions produce heat and often release carbon dioxide and water when burning hydrocarbons. True False

Which of these drinks contain the most alcohol? A 12 ounce beer A 5 ounce glass of wine They all contain equal amounts of alcohol A 1.5 ounce shot of 80 proof whiskey

Which functional group can accept or release protons $(H^{+})$ depending on pH? carboxylic acid group hydroxyl group amino group phosphate group

Which type of reaction is shown here: $2H_{2}O_{2}\rightarrow 2H_{2}O+O_{2}$ Multiple Choice synthesis reaction decomposition reaction exchange reaction anabolic reaction

Which of the following defines the atomic number of a given element? The number of protons neutrons, and electrons in an atom of a given element The number of protons in the atomic nucleus The number of electrons in an atom of a given element The number of protons and neutrons in the atomic nucleus

Use the balanced equation, $4Al+3O_{2}\rightarrow 2Al_{2}O_{3}$ to answer the following question. How many grams of $O_{2}$ are needed to react completely with 14.3 g of Al? Be sure your answer has the correct number of significant figures. $\square $ g $O_{2}$

4.2 Write the symbols for the following elements: a. oxygen b. lithium c. uranium d. titanium e. hydrogen f. chromium g. tin h. gold

When this equation is balanced, the coefficient in front of $AlCl_{3}$ is __ $\underline {\quad }KCl+\underline {\quad }Al_{2}(SO_{4})_{3}\rightarrow \underline {\quad }K_{2}SO_{4}+\underline {\quad }AlCl_{3}$ 3 1 2 6