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Phosphorus pentachloride decomposes as per to the chemical equation PCl5-----PCl3 + Cl2 Kc=1.80 at 250C. A 0.261 mol sample of PCl5 is injected into an empty 3.25 L reaction vessel 250C. Compute the concentrations of PCl5 and PCl3 at equilibrium.
question calculate the massvolume percent of a nacl solution in which 127g of nacl is dissolved in enough water to give
1. What are the shapes of the NMe4+, [I3]- and [I5]- ions? The hybridization of the atoms?
Assume that the energy used to climb steps is the same as the energy required to lift a mass against the force of gravity, namely: PE = mgh, where m is the mass of the object lifted in kilograms, g is the gravitational constant (9.8 m/s2), and h i..
For a particular redox reaction MnO2 is oxidized to MnO4- and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution. Phases are optional.
What is the neutralization reaction for each of the following. which reactant is being oxidized and which is being reduced in each of these two reactions
for the reaction 2hig ? h2g i2g keq 0.016 initially a container contains 0.60 m hi 0.038 m h2 and 0.15 m i2 at
Acetic acid solution is titrated with NaOH solution. What is the pH at half the euivalence point?
In a candy factory, the nutty chocolate bars contain 22.0 by mass pecans. If 4.60 of pecans were used for candy last Tuesday, how many of nutty chocolate bars were made
How much heat (in {rm kJ}) is evolved in converting 1.00 mol of steam at 140.0 C to ice at -55.C? The heat capacity of steam is 2.01J/g* C and of ice is 2.09 j/g* C.
question a large sport utility vehicle has a mass of 2700 kg.calculate the mass of co2 emitted into the atmosphere upon
Write the net ionic equation for each of these reactions and demonstrate how two of them add together to yield the third. Using your data and Hess's Law, determine the enthalphy of ionization of HC2H3O2.
What is the volume occupied by 0.265 mol of helium gas at a pressure of 1.32 atm and a temperature of 302 K.
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