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State the reaction and the corresponding Kb equilibrium expression for each of the following substances acting as a base in water. Utilize the lowest possible coefficients. Comprise states-of-matter under SATP conditions in your answer.(a) NH3
Calculate the molar solubility and the solubility of iron (II) hydroxide in pure water then in 0.125M NaOH(aq).
2.50 moles of cobr2 are introduced into a 2.00 liter flask at 0degrees and heated to a temp of 73 degree celcius. at
Transition metals can combine with carbon monoxide to form compounds such as Fe(CO)5 and Co2(CO)8. If you combine 0.150 g Ni with CO and isolate 0.437 g Ni(CO)x
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.808 times that of the initial number of microstates
Complete and balance the following equation: BrO3^-(aq)+N2H4(aq) -> Br2(l)+N2(g) (acidic solution) And identify the oxidizing and reducing agents from the resulting balanced equation.
The heats of endothermic reactions are assumed the same as the heats of exothermic reactions, thus neglected for this estimation. The heat capacity of this woody biomass, 2.72 kJ/kg·?C, is assumed constant.
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion, the temperature of the water is 26.55 C. How much heat is evolved per gram of fuel burned?
Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous methan into gaseous
a gas company in massachusetts charges 1.30 for 15 ft3 of natural gas ch4 measured at 20 oc and 1.0 atm. calculate the
What is the pH change of a 0.220 solution of citric acid () if citrate is added to a concentration of 0.175 with no change in volume
Calculate the concentrations of all species in a 0.260 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
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