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1) how many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 50.o mL of O2(g) at 25oC and 1.00 atm pressure according to the chemical equation shown below 2KClO3(s) ====> 2KCl(s) + 3O2(g)
2) how many liters of oxygen gas can be produced at STP from the decomposition of 0.250L of 3.00M H2O2 in the reaction according to the chemical reaction shown below 2H2O2(l) ====> 2H2O (l) + O2(g)
Therefore an answer in U.S. customary units, such as miles per hour would not be accepted as correct. A car traveling with constant speed travels 150 km in two hours. What is the speed of the car?
the dehydration of beta-hydroxy ketone occur so readily to produce the alkene compared with all the unsuccessful effort to dehydrate an alcohol under basic conditions?
Established in a container of 1.0 Litre at a temperature of 1,000 K, where K c = 4.0 ⋅ 10NH 3 (g) are present. Calculate What is the equilibrium concentration of H 2 (g).?
Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO4. Assume i = 2.0 for MgSO4. The molal freezing-point-depression constant of water is 1.86 °C/m..
A 0.50g sample of vegetable oil is placed in a caloriemeter. When the sample is burned 18.9kj are burned off. What is the caloric value in kcal/g of the oil? I am not sure how to set this problem up. Please help
decomposes according to the above equation, calculate the concentration of O2 at equilbrium.
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
A calorimeter contains 17.0 mL of water at 15.0 degrees celcius When 1.40 g of (a substance with a molar mass of 69.0 g/mol) is added, it dissolves via the reaction X(s)+H2O(l)->X(aq)
Assume you have a mixture of gases that contains 3.50 L of helium, some argon at 1.03 atm, and some neon at 27 degrees C. For which gas(es)
if 625g of fe3o4 is produced in the reaction, how many molecules of hydrogen are produced at the same time?
If 28mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?.
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