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Ammonia is produced industrially from the reaction of nitrogen and hydrogen. Write the balanced chemical equation for this reaction, and determine the largest mass of NH3 that could be produced from the reaction of 105 g of N2 and 15.0 g of H2.
Determine how many grams of oxygen gas would be needed to combine exactly with 13.2 kg of propane (C3H8) gas (the 3 and the 8 are subscripts).
What mass (in grams) of calcium carbonate is needed to react completely with 69mL of 0.12 M HCL according to the following equation. 2HCl(aq)+CaCO3(aq)-->CaCl2(aq)+H2O(l)+CO2(g)
Calculate DG for the isothermal compression of 30.0 g of water from 1.0 atm to 100.0 atm at 25 °C; neglect the variation of V with P. The density of water at 25 °C is 0.997 g/cm3.
acid catalyzed hydrolysis of esters is usually better than base catalyzed hydrolysis. True or False.............2. Borane selectively reduces a carboxylic acid while it leaves an ester alone.
What effect would each of the following have on the calculated molecular weight of an unknown. Would the calculated value be higher than the true value. Lower. Same
If 545 mL of oxygen gas is collected at 21°C and 745 mmHg , what is its volume at STP?
Ksp for PbCrO4 at 25oC is 2.0 x 10-14. A sample of 1.000 mg of PbCrO4 is added to 1.0 L of water at this temperature.
what is the titer of the iodine solution of 0.1 g smaple of pure ascorbic acid and 25.32 ml of iodine was required to
HF is a stronger acid than HBR because F has greater electronegativity than Br 2) the acid (HA) strength will increase when the H-A bond strength increases
A carboxylate ion is the positive ion form when a carboxylie acid loses one or more acidic hydrogen atoms
Volume after mixing is 131mL. Kf=1.86 C/m -- Kb=0.512 C/m Calculate the freezing point and boiling point?
the freezing point of pure camphor is 178.4 degrees C, and its molal freezing-point constant, Kf, is 40.0 degrees C/m. Find the freezing-point of a solution containing 3.00 g of a compound (molar mass=125 g/mol) dissolved in 45.0 g of camphor
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