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Aluminum is a reactive metal. It reacts with oxygen to form aluminum oxide as shown below.
4 Al(s) + 3 O2(g) → 2 Al2O3(s)
Problem- The decomposition of HI at low temperature was studied by injecting 2.50 mol of HI into a 10.32-L reaction vessel at 25 degree C. What is [H2] at equilibrium for the reaction: 2HI(g) H2(g)+I2(g); Kc=1.26X10^-3
Nitrogen is contained in a 300 ml vessel at 400 mm Hg and 10°C. How many grams of nitrogen are in the vessel?
Question- The combustion of 3.010 g sucrose, in a bomb calorimeter, causes the temperature to rise from 24.92 to 78.33?C. The heat capacity of the calorimeter assembly is 4.90 kJ/?C. a) What is the heat of combustion of sucrose, expressed in kJ/mol..
a saturated solution of potassium chloride is prepared in 100.0g of water at 20c. if the solution is heated to 50c how
What mass of iron (III) chloride in g is present in 2.50 ml of this solution
Suppose you were given a pure stereoisomer that rotated the plane polarized light either +60 degrees or -120 degrees, i.e a uniform colour is observed for both of these readings.
A spoon was silver plated electrolytically in a Silver nitrate solution. If 0.750 grams of silver was deposited on the spoon at a constant current of twenty mili amperes, determine how long in hours did the electrolysis take?
calculate the amount of heat required to completely sublime 88.0 g of solid dry ice co2 at its sublimation temperature.
A sample of N2 gas occupies 2.40 L at 20oC. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L
a sample consisting of 2.0 mol co2 occupies a fixed volume of 15.0l at 300k. when it is supplied with 2.35 kj of energy
when heated lithium reacts with nitrogen to form lithium nitride. what is the percent yield of the reaction if 13.9 of
The Cd2 was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 23.4 mL of 0.0250 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution
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