HW 3 CHM 101.docx - CHM 101 Homework 3 Chapter 4 55 a 4NH3...

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CHM 101- Homework 3 Chapter 4: 55) a. 4NH 3 + Cl 2 = 2NH 4 Cl b. Cu + 2AgNO 3 = Cu(NO 3)2 + Ag c. Sb 2 S 3 + 6HNO 3 = 2Sb(NO 3 ) 3 + H 2 S d. Al 2 O 3 + 3Cl 2 + 3C = 2AlCl 3 + 3CO 59) a. insoluble b. usually soluble c. insoluble d. insoluble Chapter 5: 40) When a hydrofluoric acid molecule HF reacts with and H 2 O molecule, an H + can be transferred to the water to form a hydronium ion H 3 0 + and a fluoride ion F - . The fluoride ions formed in solution reverse the change by reacting with the hydronium ions and pulling the H + ions back to reform HF and H 2 O. The forward and reverse reactions take place constantly, and soon after the addition of the HF to the water, they proceed at equal rates. There is no net change in the amounts of the HF, H 2 O, F - , of H 3 O + in the solution. 56) a. Nitric Acid- oxyacid b. Calcium hydroxide- binary ionic compound c. Diammonium phosphate- binary covalent compound d. Hydrofluoric acid- binary acid e. hydrogen iodide-
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