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Question- Write the chemical equilibrium equation for the two reactions of aqueous copper ion with aqueous ammonia.
Tabulate your results in summary form
How much heat is required to warm 227 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
What is the specific heat capacity of a liquid if 450.0 kJ of heat caused 230.0 g of the liquid if temperature changed from 25°C to 28°C and state the reaction exothermic or endothermic
Use Coulomb's law to calculate the ionization energy in kj/mol of an atom composed of a proton and an electron separated by 138.00 pm
When a charge transfer electrode reaction occurs at a very slow rate, the concnetration on the surface of the electrode is ____ than the bulk concentration.
What weight of sodium carbonate (Na2CO3) and sodium bicarbonate (NaHCO3) are required to make 500 mL of 0.2 M buffer, pH 10.70 (pK1 of H2CO3 is 6.10; pK2 = 10.30)
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
how many grams of dry need to be added to 2.30 of a 0.400 solution of ammonia to prepare a buffer solution that has a
A) A saturated solution of metal hydroxide, M(OH)2, has a pH of 10.05. Calculate the molar solubility and the Ksp for this metal hydroxide. M(OH)2 (s) M2+ + 2OH- (aq) B) What is the molar solubility of this metal hydroxide in 0.10 M M(NO3)2
Practice entering numbers in scientific notation by entering the diameter of a hydrogen atom in its ground state
Sulfuric acid,H2SO4 is a strong diprotic acid. A sample of aqueous solution of sulfuric acid has a concentration of 0.0582 M. Calculate the concentration of H3O+ ion, HSO4- and (SO4)2- ions from this solution. Ka = 1.18 * 10^-2
What is the internal energy (U) change of a system that emits 358 J of heat and receives 412 J of work
a solution made by adding .106 mol of CH3COOH to 1.0 kg of water is found to freeze at -.203 C. Calculate the percent of the acid that has undergone ionization. The molal freezing point constant of water is 1.86
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