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Predict whether each of the following salts will form an acidic, basic or neutral solution. for acidic and basic solutions write an equation for the reaction that takes place. a)Na2SO4 b)KBr c)BaCl2 d)NH4I
Calculate the concentrations of NH4+ and NH3 and the pH in a solution prepared by mixing 22.0g of NaOH and 0.500L of 1.5 M NH4Cl. Assume that the volume remains constant.
An automobile gasoline tank hold 21kg of gas. When the gasoline burns, 84kg of oxygen is consumed and carbon dioxide and water vapor are produced. What is the total combined mass of carbon dioxide and water that is produced?
Calculate the concentration of each reactant in trials 1 through 5 after the flasks contents have been combined but before the reaction takes place.
Calculate the pH after the addition of a total 20.0, 30.0, and 70.0 ml of NaOH has been added.
How many grams of water are required to dissolve 24g od KNO3 at 100 degrees celsius?
When an ice cube is dropped into a Styrofoam cup containing 195 g of coffee at 97.0 oC, the thermal energy used to melt the ice is 2.1 kJ what is the final temperature of the coffee closest to ? (Assume a specific heat of 4.184 J/g oC for the coff..
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
If the average speed of an oxygen molecule is 4.43 multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
aluminum may be formed by the passage of 60,714 C through an electrolytic cell that contains a molten aluminum salt.
Write a detailed reaction mechanism for the acid-catalyzed hydrolysis of lactose to its component monosaccharides
What are some ways to induce recrystallization (Name 3), if your solute refuses to recrystallize after performing the required 7 steps?
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