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A sample of an ideal gas at 1.00 atm and a volume of 1.38 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 75.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
Write the net ionic equation for this reac- tion occuring in water: Calcium sulfide and iron(II) bromide are mixed to form iron(II) sulfide and calcium bromide.
The normal boiling point of acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.a. What would be the boiling point of acetone (AHvap = 32.0 kJ/mol) at this elevation?
What is the molar mass of sodium chloride. In an ionic reaction between sulfate and calcium, the ratio of calcium to sulfate ions is what
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown. b) You forgot to add hydroxylamine hydrochloride when you prepared the standards
1.75 pounds of pasta dough with a density of about .84g/cm^3 how many feet of 2" wide, 1/32" thick lasagna noodles can be made
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..
What is the total combined mass of carbon dioxide and water that is produced when an automobile gasoline tank holds 20 of gasoline. When the gasoline burns, 85 of oxygen is consumed and carbon dioxide and water are produced?
A plot o f the reciprocal concentration of chemical A versus time yielded a straignt line with a slope
what is the limiting reagent and the volume of CO2 formed when 11 L s2 reacts with 18 L O2 to produce Co2 gas adn SO2 gas at STP
Calculate the pH of a buffer formed by mixing 60. mL of 0.13 M lactic acid with 86 mL of 0.26 M sodium lactate.
A tank of oxygen holds 20.0 L of oxygen (O2) at a pressure of 15.0 atm. When the gas is released, it provides 300. L of oxygen. What is the pressure of this same gas at a volume of 300. L and constant temperature
Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
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