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You mix 2.0 mL of 0.50 M Cu(NO3)2 with 5.0 mL of 0.50 M KI, and collect and dry the CuI precipitate. Calculate the following:
Moles of CuI precipitate expected from Cu(NO3)2
How many grams of HCl are in a quart of muriatic acid? The muriatic acid density is 1.18 g/mL and is typically 36.5% HCl by mass.
Starting with d-talose (you can find this in the book or online) draw the \(\beta\) -anomer of its pyranose Haworth structure.
degree celsius in a heat exhanger by 54430 kg/h of hot gas flowing counterflow and entering at 427 degree celsius. (Cpm=1.005 kj/kg*K). The overall Uo=69.1 W/m^2*K. Calculate the exit gas temperature and the heat transfer area.
Many cigarette lighters contain liquid butane. Using standard enthalpies of formation, calculate the quantity of heat produced when 5.00 g of butane is completely combusted in air under standard conditions.
Delta H of combustion of benzoic acid is 3.22 x e3 kJ/mol. 0.5 g of benzoic acid was burned in a calorimeter containing 1000.0 g of water. The change in temperature of the calorimeter was 3 degrees C. Calculate the heat capacity of the calorimeter..
In the oxidation of glucose (C6H12O6), water and carbon dioxide are formed when the sugar is reacted with oxygen gas. If 4.39 grams of glucose are reacted, assuming 100% yield, how many moles of carbon dioxide would evolve?
From the composition of lignite coal, calculate the mass of sulfuric acid that could potentially form as acid rain from burning
3 Suppose you added an additional 50 ml of water to a separatory funnel containing a compound distributed between 50 ml of ether and 50 ml of water.
What are the possible values for the principal quantum number (n), the azimuthal quantum number (l) and the magnetic quantum number
Another hypothetical molecular compound, Y 2(g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) has a bond energy of 1500 kJ/mol. Using bond-energy information, calculate ?H for the following reaction:
Write mathematical equation that show how you will calculate the detected activity from the count rate the sample KCl
A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath.
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