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The vapor pressure of water at 45.0 degrees celcius is 71.93 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature (assume 100% dissociation)
Calculate the standard potential for this cell at 25 °C. Standard reduction potentials can be found here.
predit the products of the reactions of phenylacetaldehyde,c6h5ch2cho,with the following reagents: 1) NaBH4 then H3O+ 2)aqueous acidic CrO3 3)NH2OH 4)CH3MgBr, then H3O+ 5) CH3OH, H+ catalyst
Which of the following has the highest number of Calories?
when a gold nugget with a mass of 521 g is added to 50.0 ml of water the water level rises to 77 ml what is the density of gold
Write a net ionic equation for the reaction that occurs when cobalt(II) carbonate (s) and excess hydrochloric acid (aq) are combined.
Create an outline of a procedure to use to create a kinetic plot of concentration vs time for the bleaching of a food dye. The outline must contain no more than 10 steps. Make sure to include the glassware and amounts of solutions you expect to us..
How much heat (in Joules) is gained by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 14C? [hint: ignore any effects by the calorimeter]
container at a temperature of 47C exerts a pressure of 6.3 atm. Calculate the number of moles in the sample
calculate the osmotic pressure in torr of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions.
Write a chemical reaction demonstrating that SO2 is an acidic oxide. c) Write balanced chemical reactions demonstrating that Al2O3 is amphoteric.
A dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women. a)How many groups could be formed? b) which sex is in excess? By how much? (show calculation..
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
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