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Physical Chemistry
Why do ionic bonds have strong intermolecular forces? (imfs)
& why do covalent bonds have weak intermolecular forces? (imfs)
& why do covalent bonds have weak intermolecular forces? (imfs)
Physical Chemistry
Why does hot iron melt when it is plunged into a vessel containing liquid oxygen? I understand that the iron will rapidly oxidize and oxidization is an exothermic reaction and creates heat but does it create enough heat to offset the cold from the cryogenic oxygen and cause the iron to melt or is there something else going on here?
Physical Chemistry
A 2.05 g tablet of NaOH neutralizes 365 mL of stomach acid. What is the molairty of the HCl in the solution?
Physical Chemistry
how many moles are in 72.62 grams of O2
Physical Chemistry
A solution of NaOH(molar mass 40 g mol-1 ) is prepared by dissolving 1.6g of NaOH IN 500cm cube of water.Calculate molarity(M) of the solution
Physical Chemistry
58 cm cube of ethyl alcohol was dissolved in 400 cm cube of water to form 454 cm cube of solution of ethyl alcohol.Calculate percentage by volume of ethyl alcohol in water?
Physical Chemistry
how much space would 2.56 moles of xenon gas occupy at STP
Physical Chemistry
What is the molality of 475 grams of NaCl dissolved in 306 g of water?
Physical Chemistry
how do convert mole percent into grams. I have to prepare 7mol percent acrylamide in 15 ml distilled water(molecular weight of acrylamide is 71.08). how much gram i have to take. please reply m soon.
Physical Chemistry
How do you separate a mixture of sand, salt, water, ethanol and iron filings?
