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Determine the values for the enthalpy changes of formation of NAOH(aq), HCl (aq), KOH (s), and KOH (aq) in an appropriate work and state a balanced chemical equations corresponding to the values you just found.
If you compare the melting point of a slightly impure mixture with the melting point of a pure compound, the melting point of the slightly impure mixture will be: a) broader and lower than the eutectic mixture
a rock contains .441 g of Pb-206 to every 1.00 g of U-238, assuming the rock did nto cantain any Pb-206 at the timeof its formation, how old is the rock?
According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant
What is the concentration of the sodium ion (in M) in a solution of 0.607 M sodium sulfate
determine the end value of n in a hydrogen atom transition if the electron starts in n2 and the atom absorbs a photon
if a 50.0 liter container holds 45 moles of a gas at a temperature of 200 C what is the pressure inside the container
What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 308 torr at 25 oC? (At 25 oC the vapour pressure of pure pentane is 511 torr and that of hexane is 150 torr.)
Assuming that the rate of a chemical reaction doubles for every 10 celcius temperature increase, by which factor would a chemical reaction increase if the temperature were increased from
how many mols of o2 are produced by the reaction of 156g of co2 with an excess of ko2
Using the orbital diagram outline steps used to describe the formation of a set of sp2 hybridized orbital for a carbon atom
Osmosis occurs when the solvent molecules move from a solution of higher solute concentration to a solution of lower solute concentration.
a current of 0.500 a is passed through an electrolytic cell containing molten mgcl2 for 2.00 h. calculate the quantity
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