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N2H4+?O2 →?N2+?H2O,
Explain what is the maximum amount of N2 (28.0134 g/mol) which could be formed from 12.35 g of N2H4 (32.0452 g/mol) as well as 6.8 g of O2 (31.9988 g/mol)?
The uncertainty (standard deviation) in a single buret reading for a 50 ml buret is about +/- 0.02 ml. Two readings (initial volume and final volume) are required to deliver a specified volume or titrant.
an aqueous solution containing 34.1 g of an unknown molecular nonelectrolyte compound in 141.3 g of water was found to
Calculate the solubility of MnOH2 in grams per liter when buffered at pH=7.0 and pH=9.8 and pH=11.6
what is the freezing point in c the solutions below? for water kf1.86 ckgmol. the vapor pressure of water at 45.0 c is
125 mole of oxygen gas is added to carbon in a .25L container. The mixture equilibriates at 500K. Calculate the equilibrium concentration of carbon monoxide, knowing that K=.086 at 500K. C(s) + O2(g) ----> 2CO(g)
The Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas utilizing air as your source of nitrogen gas, define what volume of air is necessary if the air is introduced at 25°C and 740 mmHg
At room temperature benzoic acid dissolves in the less polar solvent, ether, but not very much in the more polar solvent, water. However, the deprotonated species, the benzoate ion, dissolves in water but not ether. What does this tell you about t..
Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, N or S, is a chiral compound, contains ONLY one functional group, and is a sulfide.
A liquid fuel mixture contains 28.25% hexane, 14.05% heptane, and the rest octane. What maximum mass of carbon dioxide is produced by the complete combustion of 12.0kg of this fuel mixture
Given the subsequent data Amax = 1.699, Amin =0.000, Ab=0.523, as well as the pH of the solution is 6.66. Compute the pKa ad n the Ka.
When optically active 2,3-dibromobutane reacts with KOH , you end up with a pair of enantiomers. Explain by showing the structures of both the reactants and products.
your lab partner has determined that there were 4.630x1022 atoms of c in an unknown sample of c2h4cl2 how many
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