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missions | 1 Attempt Remaining Nitrate salts (NO 3 ), when heated, can produce nitrites (NO2)...
Nitrate salts (NO3-), when heated, can produce nitrites (NO2-) plus oxygen (O2). A sample of pota...
Nitrate salts (NO3-), when heated, can produce nitrites (NO2-) plus oxygen (O2). A sample of potassium nitrate is heated, and the O2 gas produced is collected in a 780 mL flask. The pressure of the gas in the flask is 2.6 atm, and the temperature is recorded to be 323 K. The value of R= 0.0821 atm L/(mol K) How many moles of O2 gas were produced? _____moles After a few hours, the 780 mL flask cools to a temperature...
Nitrate salts (NO3'), when heated, can produce nitrites (NO2) plus oxygen (O2). A sample of potassium...
Nitrate salts (NO3'), when heated, can produce nitrites (NO2) plus oxygen (O2). A sample of potassium nitrate is heated, and the O2 gas produced is collected in a 780 mL flask. The pressure of the gas in the flask is 2.5 atm, and the temperature is recorded to be 317 K. The value of R= 0.0821 atm L/mol K) How many moles of O2 gas were produced? moles After a few hours, the 780 mL flask cools to a temperature...
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...
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...
1. The reaction N2 + 3 H2 2NH3 is used to produce ammonia. When 450. g of hydrogen...
1. The reaction N2 + 3 H2 2NH3 is used to produce ammonia. When 450. g of hydrogen is reacted with nitrogen, 2550 g of ammonia should be produced. If a chemist actually obtains 1,977 g of ammonia in the lab, what is the percent yield of this reaction? Report your answer to the correct degree of certainty. Do not included units (% yield is understood). 2.Calculate the volume of 2.12 moles of nitrogen gas at temperature of 31.7 oC and a pressure of...
1 Review Ammonium nitrate can decompose explosively when heated according to the equation 2NH4NO3(s) +2 N2(g) + 4H2O(g)...
1 Review Ammonium nitrate can decompose explosively when heated according to the equation 2NH4NO3(s) +2 N2(g) + 4H2O(g) + O2(g) Part A How many liters of gas would be formed at 510 °C and 1.00 atm pressure by explosion of 585 g of NH4NO3? 10 AP R O 2 ? 1 Bass Submit Request Answer
question 27 Remaining Time: 27 minutes, 33 seconds. Question completion Status QUESTION 27 po Calculate the...
question 27
Remaining Time: 27 minutes, 33 seconds. Question completion Status QUESTION 27 po Calculate the volume of 2.12 moles of nitrogen gas at temperature of 31.7°C and a pressure of 1.35 atm. Report your answer as a numeric response to the correct degree of certainty and include the symbol (g. mL, L, etc.) of the proper final units (0.0821 L'atm mol-K QUESTION 28 The reaction N2 + 3 H2 → 2NH3 is used to produce ammonia. When 450. g...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine the molar mass of a pure substance we need to find out (a) the number of moles in a given sample, and (b) the mass of the same sample. Molar mass is then: mass divided by moles Introduction Using the ideal gas equation, PV= nRT, we can determine the number of moles (n) of gas or vapor under measured conditions of pressure (P), volume...
Problem 1. A 35.6 g piece of aluminum metal rod is heated to 89.4 °C and then placed in an insulated container containing 51.2 g of water at 22.3 °C. Assuming no loss of water and a heat capacity of...
Problem 1. A 35.6 g piece of aluminum metal rod is heated to 89.4 °C and then placed in an insulated container containing 51.2 g of water at 22.3 °C. Assuming no loss of water and a heat capacity of 19.82 J/K for the container, what is the final temperature of the system? You may assume that the container is always at the same temperature as that of the water. (HINT: qmetal + qcontainer + qwater-0) Problem 2. Calculate Δ...
Problems 1. According to the Ideal Gas Law, which of the following is/are correct for a...
Problems 1. According to the Ideal Gas Law, which of the following is/are correct for a gas cylinder of fixed volume filled with one mole of oxygen gas? Please explain each one. a. When the temperature of the cylinder changes from 15 °C to 30 °C, the pressure inside the cylinder doubles. b. When a second mole of oxygen is added to the cylinder, the ratio T/P remains constant. C. An identical cylinder filled with the same pressure of hydrogen...
Nitrate salts (NO3'), when heated, can produce nitrites (NO2) plus oxygen (O2). A sample of potassium nitrate is heated, and the O2 gas produced is collected in a 780 mL flask. The pressure of the gas in the flask is 2.5 atm, and the temperature is recorded to be 317 K. The value of R= 0.0821 atm L/mol K) How many moles of O2 gas were produced? moles After a few hours, the 780 mL flask cools to a temperature...
1 Review Ammonium nitrate can decompose explosively when heated according to the equation 2NH4NO3(s) +2 N2(g) + 4H2O(g) + O2(g) Part A How many liters of gas would be formed at 510 °C and 1.00 atm pressure by explosion of 585 g of NH4NO3? 10 AP R O 2 ? 1 Bass Submit Request Answer
question 27
Remaining Time: 27 minutes, 33 seconds. Question completion Status QUESTION 27 po Calculate the volume of 2.12 moles of nitrogen gas at temperature of 31.7°C and a pressure of 1.35 atm. Report your answer as a numeric response to the correct degree of certainty and include the symbol (g. mL, L, etc.) of the proper final units (0.0821 L'atm mol-K QUESTION 28 The reaction N2 + 3 H2 → 2NH3 is used to produce ammonia. When 450. g...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine the molar mass of a pure substance we need to find out (a) the number of moles in a given sample, and (b) the mass of the same sample. Molar mass is then: mass divided by moles Introduction Using the ideal gas equation, PV= nRT, we can determine the number of moles (n) of gas or vapor under measured conditions of pressure (P), volume...
Problem 1. A 35.6 g piece of aluminum metal rod is heated to 89.4 °C and then placed in an insulated container containing 51.2 g of water at 22.3 °C. Assuming no loss of water and a heat capacity of 19.82 J/K for the container, what is the final temperature of the system? You may assume that the container is always at the same temperature as that of the water. (HINT: qmetal + qcontainer + qwater-0) Problem 2. Calculate Δ...
Problems 1. According to the Ideal Gas Law, which of the following is/are correct for a gas cylinder of fixed volume filled with one mole of oxygen gas? Please explain each one. a. When the temperature of the cylinder changes from 15 °C to 30 °C, the pressure inside the cylinder doubles. b. When a second mole of oxygen is added to the cylinder, the ratio T/P remains constant. C. An identical cylinder filled with the same pressure of hydrogen...
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