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In a reaction system at equilibrium, more reactants were formed when the temperature was increased. The reaction is A. endothermic B. exothermic
calculate the fraction of methyl isonitrile molecules that have an energy of 160.0 kj or greater at 510k and 514 k.
Which of the following clusters of orbitals would form the shape and would also be possible within the valence shell of an atom
bynbsp solving this problemnbsp student cannbsp find limiting as well as excess reactant and also amount of product
what molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a ph of 5.20? kac6h5cooh
identify the unknown gas.what is the mass of the solid nh4cl formed when 73.0 g of nh3 are mixed with an equal mass of
The ionization constant for the weak acid HA is 4.0 x 10^-8. Calculate the equilibrium concentration of H+, A- and HA in a 0.050 M solution of the acid.
What pH will would measure for these solutions immediately. What would be the pH after the solutions equilibrate with the atmosphere
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
An experiment produces 15.0 grams of hydrogen for every 71.0 grams of oxygen used. How many grams of oxygen will you need to produce 6.0 g of hydrogen
Describe the preparation of 1.50 L of a solution that is 12.0 ppm in K+, starting with solid K4Fe(CN)6.
Each atom in HF has a fractional charge of 0.416. What is the dipole moment of HF? 2. Which of the following molecules has a dipole moment? 3. Of the ions below, which ion has the smallest atomic radius?
question 17.4g of aluminium is dropped into a beaker of dilute hydrochloric acid.calculate the work done in j on the
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