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An ice cube of 15.1 grams is placed into 304 grams of H2O. compute the change in temperature in the H2O upon completing melting of the ice. (Hint: Determine how much heat is absorbed by the melting ice ) use q=mc^T to compute the temperature change of the 304g of water.
A buffer solution is prepared by mixing enough acetic acid and potassium acetate to give 500ml of a solution that is 0.500 M acetic acid and 0.500 M potassium acetate. What is the pH of this buffer
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)?CaO(s)+CO2(g)
fifty mililiters of 1.00m hno3 was added to 50.5 ml of 1.00m of naoh solution. calculate the mass of the reaction
What is the pOH of a Ba(OH)2 solution made by dissolving 0.081 grams of Ba(OH)2 in enough water to make 286 mL of solution
The ozone in the ozone layer absorbs UV light between 200 and 300 nm. Ozone is a compound with the chemical formula CO2. In the Earth's atmosphere, ozone exists only in the ozone layer.
Write down the Empirical Formula if aA Compound Is 21.20% nitrogen, 6.06% Hydrogen, 24.30% sulfur , And 48.45% Oxygen?
high boiling point are obtained now you need to identify the limiting reagent and compute the percent yield of nitrobenzene
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water-insoluble
Calculate w (in kJ) when 137 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 345 K:
Identify the geometry of the iron(III) complex in water and the complex ions produced in the above reactions
A solution contains .10 M iodide ion, I- and 0.10 M carbonate ion, CO32-.... a. If solid Pb(NO3)2 is slowly added to the solution which salt will precipitate first, PbI2 or PbCO3? What will the concentration of the first ion that precipitates when..
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in the following. (a) pure water (b) 0.20 M KBr solution (c) 0.15 M Pb(NO3)2 solution
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