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- Write the ions present in solution of Sn(NO2)4. Express your answers as chemical formulas separated by a comma (NO spaces!).Identify all of the phases in your answer (e.g. NO3-(aq),Cu2+(aq) )When the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 16.7 degrees Celcius, a strong vinegar-like odor is noticeable immedietly. How many acetic acid phases must be present in the bottle? Explain.HBr(aq)HBr(aq) and Mn(OH)3(s)Mn(OH)3(s) Express your answer as a chemical equation. Identify all of the phases in your answer. Assume the salt produced is soluble in water.
- How many phases are present at each of the points a–d indicated in Fig. 4.1b?H3PO4(aq)+Sr(OH)2(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer. HC2H3O2(aq)+NaOH(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer. HI(aq)+Sr(OH)2(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer.HCl(aq)+Ba(OH)2(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer.
- a) For Mn3+, write an equation that shows how the cation acts as an acid. Express your answer as a chemical equation. Identify all of the phases in your answer. b)For C5H5NH+, write an equation that shows how the cation acts as an acid. Express your answer as a chemical equation. Identify all of the phases in your answer.Lithium sulphate (Li2SO4) is a strong electrolyte. What is the freezing point depression of 2.00 m Li2SO4(aq) if the molal freezing-point depression constant for water is 1.86 oC/m? Enter your answer with correct units and significant figures.A piece of plastic weighing 1.157 g has a volume of 1.48 cm3. A piece of wood has the same volume but weighs 3.85 g. The density of liquid X is 0.765 g/mL and the density of liquid Z is 1.13 g/mL. The two liquids are immiscible. If the plastic and wood are added to the two liquids, what is the order of layers from top to bottom in the container? a.) liquid X, liquid Z, plastic, wood b.) liquid X, plastic, liquid Z, wood c.) plastic, wood, liquid Z, liquid X d.) wood, liquid Z, plastic, liquid X
- Using the following data to calculate the value of ΔvapH° (in units of kJ/mol) of water at 365 K: ΔvapH° = 40.7 kJ/mol at 373 K; CP (l) = 75.2 J/mol/K; CP (g) = 33.6 J/mol/K.Refer to the ternary phase diagram in Fig. 5E.4. How many phases are present, and what are their compositions and relative abundances, in a mixture that contains 2.3 g of water, 9.2 g of trichloromethane, and 3.1 g of ethanoic acid? Describe what happens when (i) water, (ii) ethanoic acid is added to the mixture.The average concentration of chloride ion in seawater is 19.353g Cl-/kg. The world health organization recommends that the concentration of Cl- ions in drinking water not exceed 250ppm. How many times as much chloride ion is there in seawater than in maximum concentration allowed in drinking water?