Name the following ionic compounds:

$$KCN$$

Assign oxidation states to all of the atoms of the following:

a. $\mathrm{Na}_2 \mathrm{CrO}_4$

Determine the oxidation number of each element in the following ions or compounds.\

$$\mathrm{XeO}_4{ }^{2-}$$

Determine the oxidation number of the boldface element in the following formulas for ions. $\mathrm{CrO}_{4}^{2-}$

Give the oxidation number of the metal in the following specie: $\mathrm{Na}_2 \mathrm{MoO}_4$

Identify each of the following as an oxidation or a reduction:

$$Zn^{2+}(a q)+2 e^{-} \longrightarrow Zn(s)$$

Solomon Corporation's adjusted trial balance for the year ending December 31, 2018, is:

$$\begin{array}{cc} \begin{array}{c} \text{SOLOMON CORPORATION}\\ \text{Adjusted Trial Balance}\\ \text{December 31. 2018} \end{array}\\ \hline \begin{array}{lrr} & \text{ Debit } & \text{ Credit }\\ \text{ Cash }& \$\hspace{10pt}4,000 \\ \text{ Accounts receivable }& 6,500 \\ \text{ Equipment }& 78,000 \\ \text{ Accumulated depreciation }& & \$\hspace{5pt}14,000 \\ \text{ Notes payable }& & 10,000 \\ \text{ Common stock }& & 43,000 \\ \text{ Retained earnings }& & 12,600 \\ \text{ Service lees revenue }& & 71,000 \\ \text{ Rent expense }& 18,000 \\ \text{ Salaries expense }& 37,100 \\ \text{ Depreciation expense }& \underline{\hspace{10pt}7,000} \\ \text{ Totals }& \underline{\underline{\$150,600}} & \overline{\underline{\underline{\$150,600}}} \\ \end{array} \end{array}$$

Prepare entries to close its temporary accounts in journal entry form.

Identify each of the following as an oxidation or a reduction:

$$2 I^{-}(a q) \longrightarrow I_2(s)+2 e^{-}$$

Concerning vitamins,

a. most can be synthesized by the body.

b. they are normally broken down before they can be used by the body.

c. A, D, E, and K are water-soluble vitamins.

d. many function as coenzymes.

Complete the table

$$\textbf {\color{default}{Communicating }}\text { Prepare a visual presentation that summarizes your findings about the tropical rain-forest biome. After studying your presentation, viewers should understand productivity and its relationship to biodiversity. }$$

Salt Lake Company's current-year income statement and selected balance sheet data at December 31 of the current and prior years follow.

$$\begin{array}{c} \textbf{SALT LAKE COMPANY}\\ \textbf{Income Statement}\\ \textbf{For Current Year Ended December 31 }\\ \end{array}$$

$$\begin{array}{lr} \text{Sales revenue}&\text{\$\hspace{1pt}156,000}\\ \text{Expenses}&\text{}\\ \qquad\text{Cost of goods sold}&\text{72,000}\\ \qquad\text{Depreciation expense}&\text{32,000}\\ \qquad\text{Salaries expense}&\text{20,000}\\ \qquad\text{Rent expense}&\text{5,000}\\ \qquad\text{Insurance expense}&\text{2,600}\\ \qquad\text{Interest expense}&\text{2,400}\\ \qquad\text{Utilities expense}&\underline{\text{\hspace{15pt}2,000}}\\ \text{Net income}&\underline{\underline{\text{\$\hspace{5pt}20,000}}}\\ \end{array}$$

$$\begin{array}{c} \textbf{SALT LAKE COMPANY}\\ \textbf{Selected Balance Sheet Accounts}\\ \end{array}$$

$$\begin{array}{lcc} \textbf{At December 31}&\textbf{Current Year}&\textbf{Prior Year}\\[5pt] \text{Accounts receivable}&\text{\$\hspace{1pt}3,600}&\text{\$\hspace{1pt}3,000}\\ \text{Inventory}&\text{\hspace{13pt}860}&\text{\hspace{13pt}980}\\ \text{Accounts payable}&\text{\hspace{5pt}2,400}&\text{\hspace{5pt}2,600}\\ \text{Salaries payable}&\text{\hspace{13pt}900}&\text{\hspace{13pt}600}\\ \text{Utilities payable}&\text{\hspace{13pt}200}&\text{\hspace{23pt}0}\\ \text{Prepaid insurance}&\text{\hspace{13pt}140}&\text{\hspace{13pt}180}\\ \text{Prepaid rent}&\text{\hspace{13pt}100}&\text{\hspace{13pt}200}\\ \end{array}$$

Required

Prepare the operating activities section of the statement of cash flows using the direct method for the current year.

Name the following ionic compounds:

$$CaSO_3$$

Identify which of the following accounts would be listed on the company’s Post-Closing Trial Balance.

F. Rent Revenue