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Rank the compounds in order from largest mass percent of nitrogen to smallest mass percent of nitrogen. NH4HSO4, NH2CONH2, (NH4)2SO4 part B The most common source of copper (\rm Cu) is the mineral chalcopyrite (\rm CuFeS_2). How many kilograms of chalcopyrite must be mined to obtain 320.g of pure \rm Cu? Express your answer to three significant figures and include the appropriate units.
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted
The feed to reactor contains only C 2 H 4 and HBr. if the molar flow rate = 165mol/s, compute the fractional conversion of the limiting reactant?
An underground reservoir contains natural gas at a pressure of 425 kPa and a temperature of 15 °C. If the volume of the reservoir is 1.3 x 104 kL
Write the acid/base equilibrium reaction (net-ionic) for the major species present in an aqueous solution of each of the following substances. Include aggregation states. Note that this text uses H3O+.
1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3H2O → CaCO3 + 2NH3 How much NH3 could be produced?
An equilibrium mixture contains {\rm{N}}_2 {\rm{O}}_4, (P = 0.27 atm) and {\rm{NO}}_2 (P = 1.2 atm) at 350 {\rm K}. The volume of the container is doubled at constant temperature.
Draw the major organic product formed by reaction of 3-hexyne with the following reagent
A baseball weighs 220 g. Top speed for a professional pitcher is about 100 mph when he throws a fast ball. Find the de Broglie wavelength
What is the pH of 50 mL of .122M sodium glycinate titrated with .100M HCL at second equivalence point
Calculate the entropy change that occurs when 3.5 moles of an ideal gas expands from 1.75 L at 20 degress Celsius to 8.46 L at .54 atm.
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.75 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)
what radial position is the velocity of an individual fluid element equal to the average velocity of the fluid? (r= r subscript c and 0
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