Balance the following chemical equation:          Fe2O3 (s)   +          C (s)    →           Fe (s)  +         CO2 (g) What is the correct coefficient for carbon?

What is the charge on the cation for the ionic compound Mn(SO4)2?

Which of the following compounds contains ONLY  ionic bonds? Hint: Ionic bonds are found in ionic compounds and covalent bonds are found in molecular compound and within polyatomic ions.   

Which of the following is best classified as a combination reaction?

Calculate the percentage by mass (in %) of chlorine in cisplatin, PtCl2(NH3)2.

Balance the following chemical equation:          Fe2O3 (s)   +          C (s)    →           Fe (s)  +         CO2 (g) What is the correct coefficient for iron?

How many moles of oxygen are in 3.0 moles of aluminum perchlorate, Al(ClO4)3?

Which of the following is best classified as a decomposition reaction?

Calculate the percentage by mass (in %) of hydrogen in cisplatin, PtCl2(NH3)2.

Consider the reaction of nitrogen, N2, with hydrogen, H2: N2 (g) + 3 H2 (g) → 2 NH3 (g) What is the percent yield of NH3 when 15.0 g of N2 reacts with an excess of H2 to produce 15.4 grams of NH3?