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A sample of 15 g of nitrogen can be combined with 17.142857 g of oxygen to form nitric oxide gas (NO). What mass of oxygen would be required to convert the same sample of nitrogen to nitrogen dioxide (NO2) instead
What is the balanced equation for the combustion of 1-naphthol, C10H7OH, to give CO2 and H2O? Do not include phases.
Starting with 3.00 moles of HBr in a 12.0 L reaction vessel, calculate the concentrations of H2, Br2, and HBr at equilibrium.
these three particles which would require radiation of the lowest wavelenth to excite its electron from the ground state to the second energy level?
Correct orders the solubility, from greatest to least, of NaCl in the solvents BF3, H2O, and CH3(CH2)2OH
calculate the rate at each time interval amp average rate for the reaction.2h2ognbspharr 2h2gnbsp nbsp o2gthe
Calculate the change in enthalpy of HCl + NaOH--> NaCl + H2O for this reaction using Hess's Law. Units should be kJ/mol.
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
The following question refers to a solution that contains 1.48M hydrofluoric acid, HF (Ka = 7.2 x 10^-4) and 3.00M hydrocyanic acid, HCN (Ka= 6.2x 10^-10). What is the pH of this mixture of weak acids.
Assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat capacity of the calorimeter. (density of water = 1.00 g/ mL , specific heat capacity = 4.18 J g-1 K-1)
What are the concentrations of OH- and H in a 0.00085 M solution of Ba(OH)2 at 25 °C? Assume complete dissociation.
Calculate the concentration of silver necessary to begin precipitation of AgCl from a solution in which the Cl concentration is 7.4e-4 M.
does it mean that the solution will shift towards the products because there is excess of reactants? what does it mean when the solution is orange (is it shifting towards products or reactant)?
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