A gaseous compound composed of carbon nitrogen and hydrogen in a vessel at 380.4 K and...
A gaseous compound composed of carbon nitrogen and hydrogen in a vessel at 380.4 K and 0.928 bar has a density 1.8228 g L-1. By burning a sample of that same gas it is determined that it is composed of 38.67% C and 16.22% H. What is the molecular formula of the compound expressed as a string CxHyNz. Do not use subscript underscores of curly brackets when entering the formula.
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A gaseous compound composed of carbon nitrogen and hydrogen in a
vessel at 380.4 K and...
Suppose a substance has been prepared that is composed of carbon, hydrogen and nitrogen. When 0.1...
Suppose a substance has been prepared that is composed of carbon, hydrogen and nitrogen. When 0.1156 gram of this compound is reacted with oxygen, 0.1638 gram of carbon dioxide (CO2) and 0.1676 gram of water (H2O) are collected. If all the carbon in the compound is converted to CO2 Determine the mass of Carbon and Hydrogen in the sample. Calculate the percentage composition of Carbon, Nitrogen and Hydrogen in the substance. Calculate the mass of nitrogen in the substance. Calculate...
Suppose a substance has been prepared that is composed of carbon, hydrogen and nitrogen. When 0.1156...
Suppose a substance has been prepared that is composed of carbon, hydrogen and nitrogen. When 0.1156 gram of this compound is reacted with oxygen, 0.1638 gram of carbon dioxide (CO2) and 0.1676 gram of water (H2O) are collected. If all the carbon in the compound is converted to CO2 Determine the mass of Carbon and Hydrogen in the sample. Calculate the percentage composition of Carbon, Nitrogen and Hydrogen in the substance. Calculate the mass of nitrogen in the substance. Calculate...
A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and...
A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and 14.37% H by mass. The mass of 258 mLof the gas, measured at STP, was found to be 0.646 g. What is the molecular formula of the compound?
CHAPTERS Practice Problems 6. An unknown gaseous hydrocarbon (compound composed of carbon and thydrogen only) conai...
CHAPTERS Practice Problems 6. An unknown gaseous hydrocarbon (compound composed of carbon and thydrogen only) conaists of 85.63% carbon by mass. A 0.335-g sample of the gas occupies a volume of 0.107 Lat STP (1 atm, oPC) What is the molecular formula of the gas7
a gaseous hydrogen and carbon containing compound is decomposed and found to contain 79.85% C and...
a gaseous hydrogen and carbon containing compound is decomposed and found to contain 79.85% C and 20.15% H by mass A.) What is the empirical formula of the compound? I already found the the empirical formula, its CH3 B.) at 43.0 °C and 0.984 atm, the gas occupies a volume of 1.8 L and has a mass of 2.04g. what is the molecular formula of the compound?
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the...
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78% = 2.08 and Cl = 75.14%. A 1.26 g sample of this gas occupies a volume of 435 ml at a pressure of 0.736 atm and temperature of 270C. a) What is the empirical formula of the unknown gas (3 points) show. all setup & work Answer: empirical formula = b) What is the molar mass of the unknow...
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H...
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H = 2.08 % and Cl = 73.14 %. A 1.26 g sample of this gas occupies a volume of 435 ml. at a pressure of 0.736 atm and temperature of 27°C. a) What is the empirical formula of the unknown gas (3 points) show all setup & work Answer: empirical formula = b) What is the molar mass of the unknow gas (3 points)...
4. 0.0026g of a compound composed of only carbon and hydrogen burns to give 0.00763g of...
4. 0.0026g of a compound composed of only carbon and hydrogen burns to give 0.00763g of CO2. (8 points) a) Determine the empirical formula of the compound b) If 0.165mole of naphthalene has a mass of 9.9g, what is the molecular formula of naphthalene?
A gaseous sample of a compound has a gas density of 0.647 g/L at 694 torr and 20 °C. What is the 4. molar mass of t...
A gaseous sample of a compound has a gas density of 0.647 g/L at 694 torr and 20 °C. What is the 4. molar mass of this compound? If this compound contains only nitrogen and hydrogen, and is 82.2% nitrogen by mass, what is its molecular formula? 5. What is the density in g/L of neon gas at STP?
A well-known toxic substance, composed of carbon, hydrogen, and nitrogen, was located nearby a student lying...
A well-known toxic substance, composed of carbon, hydrogen, and nitrogen, was located nearby a student lying unconscious in the laboratory. It is suspected that the student may have been poisoned by ingestion. 5.250-g of the suspect's compound was burned in pure oxygen to give 4.083-g of H20 and 14.242-g of CO2. (10 points) a) What is the empirical formula for the substance found near the student if it was the suspected nicotine compound? b) If the substance has a molar...
CHAPTERS Practice Problems 6. An unknown gaseous hydrocarbon (compound composed of carbon and thydrogen only) conaists of 85.63% carbon by mass. A 0.335-g sample of the gas occupies a volume of 0.107 Lat STP (1 atm, oPC) What is the molecular formula of the gas7
molecul Sumber of d with excess A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78% = 2.08 and Cl = 75.14%. A 1.26 g sample of this gas occupies a volume of 435 ml at a pressure of 0.736 atm and temperature of 270C. a) What is the empirical formula of the unknown gas (3 points) show. all setup & work Answer: empirical formula = b) What is the molar mass of the unknow...
A gaseous compound of carbon, hydrogen and chlorine had the following composition: C = 24.78%; H = 2.08 % and Cl = 73.14 %. A 1.26 g sample of this gas occupies a volume of 435 ml. at a pressure of 0.736 atm and temperature of 27°C. a) What is the empirical formula of the unknown gas (3 points) show all setup & work Answer: empirical formula = b) What is the molar mass of the unknow gas (3 points)...
4. 0.0026g of a compound composed of only carbon and hydrogen burns to give 0.00763g of CO2. (8 points) a) Determine the empirical formula of the compound b) If 0.165mole of naphthalene has a mass of 9.9g, what is the molecular formula of naphthalene?
A gaseous sample of a compound has a gas density of 0.647 g/L at 694 torr and 20 °C. What is the 4. molar mass of this compound? If this compound contains only nitrogen and hydrogen, and is 82.2% nitrogen by mass, what is its molecular formula? 5. What is the density in g/L of neon gas at STP?
A well-known toxic substance, composed of carbon, hydrogen, and nitrogen, was located nearby a student lying unconscious in the laboratory. It is suspected that the student may have been poisoned by ingestion. 5.250-g of the suspect's compound was burned in pure oxygen to give 4.083-g of H20 and 14.242-g of CO2. (10 points) a) What is the empirical formula for the substance found near the student if it was the suspected nicotine compound? b) If the substance has a molar...
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