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When heated, potassium chlorate decomposes to yield oxygen and potassium chloride. Calculate how much heat is needed to yield 31.8 g oxygen by decomposition of the requisite amount of potassium chlorate.
2 KClO3(s) 2 KCl(s) + 3 O2(g) ?H° = -89.4 kJ
Consider the chemical species IF5 and IF4+
what volume of 0.150m hclo4 solution is needed to neutralize 54.00ml of 8.80times10-2 m naoh?nbspwhat volume of 0.120m
A piece of Iron weighing 85.690 g was burned in the air. The mass of the iron oxide produced was 118.350 g. What are the moles of iron in the original sample. What is the mass of oxygen in the iron oxide. What is the moles of oxygen in the iron ox..
if a sodium hydroxide solution were added to a solution containing leadii ions sodium ions nickelii ions and potassium
How many grams of FeSO4.(NH4)2SO4.6H2O (MW = 392.14) must be dissolved and diluted to 250.0 mL to prepare an aqueous solution that is 10.00 ppm Fe2+
In the citric acid cycle, how many net atp are generated between alpha-ketogluturate and malate
A 0.010 M solution of a weak monoprotic acid is 2.5% dissociated at 25* C. What is the equilibrium constant, Ka, for this acid
Determine the balanced net ionic equation when aqueous solutions of AgNO3 and NaI are mixed. The balanced net ionic equation is:
Predict any precipitates that are formed when the following solutions are mixed and give the net ionic equation. Ba(NO3)2 solution and KOH solution.
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
What is the percent purity of the calcium hydroxide if the titration requires 7.81 mL of the acid to reach the endpoint?
In a 0.10 M solution of a weak diprotic acid H2A the species present in highest concentration (besides water) would be
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