11. At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8685-g sample of impure sodium chlorate was heated until the production of oxygen gas ceased. Th...
11. At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8685-g sample of impure sodium chlorate was heated until the production of oxygen gas ceased. The oxygen gas collected over water occupied 51.2 mL at a temperature of 25°C and a pressure of 731 torr. Calculate the mass percent of NaClO3 in the original sample. (At 25°C the vapor pressure of water is 23.8 torr.)
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11. At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8685-g sample of impure sodium chlorate was heated until the production of oxygen gas ceased. Th...
PRACTICE EXAMPLE B: An 8.07 g sample of impure Ag20 decomposes into solid silver and O2(g)....
PRACTICE EXAMPLE B: An 8.07 g sample of impure Ag20 decomposes into solid silver and O2(g). If 395 mL O2(g) is collected over water at 25 °C and 749.2 mmHg barometric pressure, then what is the percent by mass of Ag2O in the sample? The vapor pressure of water at 25 °C is 23.8 mmHg.
Solid potassium chlorate (KClO3) decomposes into potassium chloride and oxygen gas when heated. How many moles...
Solid potassium chlorate (KClO3) decomposes into potassium chloride and oxygen gas when heated. How many moles of oxygen form when 55.3 g completely decomposes? 0.338 mol 0.677 mol 0.451 mol 83.0 mol
Experiment 12: Generating Hydrogen Gas Post-lab 1. A sample of potassium chlorate is heated, and decomposes...
Experiment 12: Generating Hydrogen Gas Post-lab 1. A sample of potassium chlorate is heated, and decomposes according to the balanced chemical equation shown below. 2 KC1O36) ► 2 KCI) + 3 02 (3) A 0.728 g sample of KCIO, produces 216 mL of oxygen gas collected over water at 22C and an atmospheric pressure of 762 mmHg. Determine the actual yield, theoretical yield, and percent yield of oxygen gas:
24. Potassium chlorate (KCIO3) was heated to give oxygen. 2KCIO3 (s) - 2KCI (s) + 202...
24. Potassium chlorate (KCIO3) was heated to give oxygen. 2KCIO3 (s) - 2KCI (s) + 202 (g) A volume of 550mL of gas was collected over water at 21°C and an atmospheric pressure of 743 Torr. The vapor pressure of water at 21°C is 19 Torr. How many moles of oxygen were collected?
and 221 potassium Chlorate de Composed into fortassium Chloride Oxygen gas under heat. There are 620.0...
and 221 potassium Chlorate de Composed into fortassium Chloride Oxygen gas under heat. There are 620.0 mL of Odggen gas has generated and Gillected above a water trough at 25°C. The brometric pressene has 75600 tors. The haper pressure of water was 15.1 torr, Glaulate how morny of oxygen gas moles of was generated 2.
When heated to 350 ∘C at 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and...
When heated to 350 ∘C at 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases: 2NH4NO3(s)→2N2(g)+4H2O(g)+O2(g) Part A How many liters of water vapor are produced when 25.7 g of NH4NO3 decomposes? Express your answer with the appropriate units. V = Part B How many grams of NH4NO3 are needed to produce 11.4 L of oxygen? Express your answer with the appropriate units. m = When solid CaCO3 is heated, it decomposes to give solid CaO and...
A 100 mL sample of oxygen gas is collected over water at 26 °C and at...
A 100 mL sample of oxygen gas is collected over water at 26 °C and at a pressure of 756 torr. Given that the vapor pressure of water at 26 °C is 25 torr, how many moles of dry oxygen are present? Show all steps and explain fully. ANSWER: 3.9 x 10^-3 mol
1. Silver oxide decomposes when heated: 2 Ag2O(s)4 Ag(s) + O2(g) If 5.76 g of Ag2O...
1. Silver oxide decomposes when heated: 2 Ag2O(s)4 Ag(s) + O2(g) If 5.76 g of Ag2O is heated and the O2 gas produced by the reaction is collected in an evacuated flask, what is the pressure of the O2 gas if the volume of the flask is 0.65 L and the gas temperature is 25 °C? (a) 0.94 atm (b) 0.039 atm (c) 0.012 atm (d) 0.47 atm (e) 3.2 atm 2. In the first step of the industrial process...
a) A sample of oxygen gas is collected by displacement of water at 25°C and 1.13...
a) A sample of oxygen gas is collected by displacement of water at 25°C and 1.13 atm total pressure. If the vapor pressure of water is 23.756 mm Hg at 25°C, what is the partial pressure of the oxygen gas in the sample? WebAssign will check your answer for the correct number of significant figures. mm Hg b) Calcium oxide can be used to "scrub" carbon dioxide from air. CaO(s) + CO2(g) → CaCO3(s) What mass of CO2 could be...
1Q) A nitrogen sample occupies 220. mL at STP. If the same sample were collected over...
1Q) A nitrogen sample occupies 220. mL at STP. If the same sample were collected over water at 25°C and 600. torr, what would be the volume of the gas sample? (Assume that vapor pressure of water at 25°C is 23.8 torr.) Volume =....... mL 2Q) A number of compounds containing the heavier noble gases, and especially xenon, have been prepared. One of these is xenon hexafluoride (XeF6), which can be prepared by heating a mixture of xenon and fluorine...
PRACTICE EXAMPLE B: An 8.07 g sample of impure Ag20 decomposes into solid silver and O2(g). If 395 mL O2(g) is collected over water at 25 °C and 749.2 mmHg barometric pressure, then what is the percent by mass of Ag2O in the sample? The vapor pressure of water at 25 °C is 23.8 mmHg.
Solid potassium chlorate (KClO3) decomposes into potassium chloride and oxygen gas when heated. How many moles of oxygen form when 55.3 g completely decomposes? 0.338 mol 0.677 mol 0.451 mol 83.0 mol
Experiment 12: Generating Hydrogen Gas Post-lab 1. A sample of potassium chlorate is heated, and decomposes according to the balanced chemical equation shown below. 2 KC1O36) ► 2 KCI) + 3 02 (3) A 0.728 g sample of KCIO, produces 216 mL of oxygen gas collected over water at 22C and an atmospheric pressure of 762 mmHg. Determine the actual yield, theoretical yield, and percent yield of oxygen gas:
24. Potassium chlorate (KCIO3) was heated to give oxygen. 2KCIO3 (s) - 2KCI (s) + 202 (g) A volume of 550mL of gas was collected over water at 21°C and an atmospheric pressure of 743 Torr. The vapor pressure of water at 21°C is 19 Torr. How many moles of oxygen were collected?
and 221 potassium Chlorate de Composed into fortassium Chloride Oxygen gas under heat. There are 620.0 mL of Odggen gas has generated and Gillected above a water trough at 25°C. The brometric pressene has 75600 tors. The haper pressure of water was 15.1 torr, Glaulate how morny of oxygen gas moles of was generated 2.
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