General Chemistry 1

What is the chemical formula for copper (II) acetate?

What is the IUPAC chemical name for the following polyatomic ion, Ca(BrO$_2$)$_2$ ?

What is the chemical name for V$_3$(PO$_4$)$_4$ ?

What is the chemical name for the following compound, V(SiO$_3$)$_2$ ?

What is the IUPAC name for VS$_2$ ?

Name the following molecule, N$_2$S$_3$

What is the IUPAC name for the following molecule, Cl$_3$Se$_5$

What is the chemical name for KrCl$_5$ ?

What is the chemical name of N$_2$O ?

Balance the following chemical equation,

Al + Fe$_3$N$_2$ $\longrightarrow$ AlN + Fe

What is the molar mass of NaCl $\cdot$ 2 H$_2$O ?

A white powder used in paints, enamels and ceramics has the following percentage composition: Ba (69.6%), C (6.09%), and O (24.3%). What is the empirical formula?

The nuclear power industry extracts $^6$Li but not $^7$Li from natural samples of lithium. As a result, the average molar mass of commercial samples of lithium is increased. The current abundace of the two isotopes are 7.42% and 95.58% respectively, and the masses of their atoms are 9.968 x 10$^{-24}$ g and 1.165 x 10$^{-23}$ g. What is the current molar mass of a natural sample of lithium?

N$_2$ + 3 H$_2$ $\longrightarrow$ 2 NH$_3$

How many grams of hydrogen are needed to produce 68 g of ammonia? (molar mass of NH$_3$ = 12.031 g/mol, the molar mass of H$_2$ = 2.015 g/mol)

2 Al + Fe$_2$O$_3$ $\longrightarrow$ Al$_2$O$_3$ + 2 Fe

An operation requires at least 86.0 g of Fe to be produced. What is the minimum mass in grams of Fe$_2$O$_3$ necessary to produce the desired amount of products? How much Al$_2$O$_3$ is produced as a side product?

MM of Fe$_2$O$_3$ = 159.489 g/mol

MM of Al$_2$O$_3$ = 101.961 g/mol

What is the molarity of a solution made by dissolving 1.461 g of NaCl in 250.0 mL of water? (MM of NaCl = 58.443 g/mol)

Write the molecular equation and then the net ionic equation for the neutralization of HNO$_3$ by KOH in aqueous solution.

Write the complete, ionic, and net ionic equations for the reaction of NH$_3$with HNO$_3$ .

An ocean dwelling dinosaur has an estimated body volume of 1.38 x 10$^6$ cm$^3$. The animals's live mass was estimated at 1.24 x 10$^6$ g. What is its density?

A student collected a gas in an apparatus connected to an open end manometer. The difference in heights of mercury in the two columns was 102 mm and the atmospheric pressure was measured to be 756 mmHg. What was the pressure of the gas in the apparatus in atm?