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What is happening to water during the phenomenon of expansion when frozen.
Calculate the masses of silver chloride and dihydrogen monosulfide formed when 85.6 g of silver sulfide reacts with excess hydrochloric acid, HCl?
A solution is prepared by dissolving 138.50 g of sucrose, a nonelectrolyte, in 250.0 g of dionized water. The freezing point of the solution was determined experimentally to be -3.0 C.
Oxides of the alkaline earth family form _______ solutions upon reaction with water. a) acidic, b)basic, c) neutral, or d)amphiprotic
A solution of ammonia and water contains 1.30×10^25 water molecules and 7.70×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
Depict the products of the subsequent reaction the acid-catalyzed dehydration of 1-pentanol to 2-pentene.
Octane has a density of 0.692 g/mL at 20 degrees Celsius. How many grams of O2 are required to burn 1.00 gal of C8H18?
What is its fate as cooling occurs? To help address the question, calculate the equilibrium constant at 298 K and 1300 K for each reaction: ½ O2(g) + NO(g) ? NO2(g)2 NO2(g) ? N2O4(g)
in a coffee-cup calorimeter 1.80 g of nh4no3 is mixed with 75.0 g of water at an initial temperature of 25.00degc.
Question- Synthesize 3-methyl-2-hexanoic acid (mixture of E and Z isomers) from starting materials that have 5 or fewer carbon atoms.
Problem- A solution is made by mixing 100mL Fe3+ solution of 1.00 x 10-3 M and 100 mL A- ion solution of 1.00 x 10-3 M. The mixture has a deep blue color, indicating the formation of a complex between Fe3+ and A-.
Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.
the equilibrium constant kc for the following reaction is 2.18 106 at 730degc.h2g br2g 2 hbrgstarting with 3.10 moles
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