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which of the following aqueous solutions will freeze at the lowest temperature? a. 0.10 m KCl, b. 0.20 m C6H12O6 (glucose), c. 0.050 m AlCl3, d. 0.15 m SrBr2, e. all of the above freeze at the same temperature
A 35.0 mL sample of gas is enclosed in a gas tight syringe at 22 degrees celsius. If the syringe is immersed in an ice bath at 0 degrees celsius, what is the new gas volume?
consider the reaction of 5.0g of propane with 10.0ml ofmolecular bromine to form 2,2 dibromopropane and hydrogenbromide. a. look up the molecular weight of propane (44.1) and calculate the moles of propane present before the reaction
Predict which of the compounds should undergo a more rapid reaction with potassium tert-butoxide. EXPLAIN your REASONING and give the product of the reaction?
An aqueous antifreeze solution is 40.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.05 g/cm3. Calculate the molality, molarity, and mole fraction of the ethylene glycol.
If a piece of aluminum with mass 3.90 g and a temperature of 99.3 degrees celcius is dropped into 10.0 cm cubed of water at 22.6 degrees celcius, what will be the final temperature of the system?
when sodium benzyloxide is reacted with excess acetic anhydride it produces benzyl acetate and by products.
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
Vanadium crystallizes in a body centered cubic lattice (the V atoms occupy only the lattice points). How many V atoms are present in a unit cell?
You have given some aqueous solutions as a. LiClO4 b. HClO c. CH2CH3OH d. HClO4 e. HNO3 you just need to Classify each of the given aqueous solutions as a weak electrolyte, non electrolyte, or strong electrolyte ?
Standard reduction potentials for the Pb2+/Pb and Cd2+/Cd half-reactions are -0.13 and -0.40, respectively. At what relative concentrations of Pb2+ and Cd2+
how many grams of bromine are required to react with 37.4 grams of aluminum chloride?
A sample of sodium reacts completely with 0.142 of chlorine, forming 234 of sodium chloride. What mass of sodium reacted?
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