Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atm and...
Calculate the density of oxygen, O2, under each of the following conditions:
- STP
- 1.00 atm and 35.0 ∘C
Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma.
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.8-L bulb, then filled it with the gas at 1.40 atm and 30.0 ∘C and weighed it again. The difference in mass was 7.5 g . Identify the gas.
Calculate the rms speed of an oxygen gas molecule, O2, at 35.0 ∘C .
How much faster do ammonia (NH3) molecules effuse than carbon monoxide (CO) molecules?
Homework Answers
![al 2 2- an atom ha 2 30 8.15 K. (NH, 223/nee] 1,28](http://img.homeworklib.com/questions/cf29c450-449e-11eb-a69d-e3e59e6b09bc.png?x-oss-process=image/resize,w_560)
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Calculate the density of oxygen, O2, under each of the following
conditions:
STP
1.00 atm and...
please help with A and B Calculate the density of oxygen, O_2, under each of the...
please help with A and B
Calculate the density of oxygen, O_2, under each of the following conditions: STP 1.00 atm and 15.0 degree C Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma. To identify a diatomic gas (X_2) a researcher carried out the following experiment: She weighed an empty 1.3-L bulb, then filled it with the gas at 1.60 atm and 30.0 degree C and weighed...
chpt.9 pg 11: Pressure and temperature affect the amount of space between gas molecules, which affects...
chpt.9 pg 11: Pressure and temperature affect the amount of space between gas molecules, which affects the volume and, therefore, the density of the gas since density=massvolume The molar mass of a substance, however, is a constant and can be used to identify an unknown gas sample. Molar mass is found by dividing the mass of a sample (in grams) by the number of moles in that sample. The number of moles of gas can be calculated using the ideal...
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an...
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 3.9-L bulb, then filled it with the gas at 1.70 atm and 30.0 ∘C and weighed it again. The difference in mass was 7.5 g . Identify the gas.
please show all work A sample of Oxygen occupies 33.6 L under STP conditions. Find: a)...
please show all work
A sample of Oxygen occupies 33.6 L under STP conditions. Find: a) How many moles of gas are in the sample? b) How many molecules are there in the gas? c) What is the average kinetic energy of a molecule? d) What is the total kinetic energy? e). what is the rms speed of oxygen molecules at this temperature? Problem 4
idk if my answers are correct pls help 6. Calculate the density of Nz at STP....
idk if my answers are correct pls help
6. Calculate the density of Nz at STP. 289/mol 22.44 7. The density of an unknown ideal gas at 20.0°C and 1.00 atm was found to be 1.83 g/L. What is the molar mass of the unknown? mm-d - 1.839/2 x 0437 0.00 TOO 8. Calculate the pressure exerted by 65.0 kg of Ar in a 756.0-L tank at 30.0°C. DV = nRT = P =nRT 7625 M X 0.882183030 250.ol Paki...
24) Which of the following represent STP (Standard Temperature and Pressure) conditions? A) T -0 K...
24) Which of the following represent STP (Standard Temperature and Pressure) conditions? A) T -0 K and P = 1 atm B) T=0°C and P 760 atm C) T= 273 K and P = 0 atm D) T-273 K and P-1 atm E) T = 1 K and P = 1 atm 25) Which of the following is TRUE for a liquid that is placed in a sealed container? A) Condensation of the evaporated molecules in the jar can only...
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...
calculate the molar mass for each of the following gases given the STP density: (a) oxygen, 1.43 g/L (b) phosphine, 1.52...
calculate the molar mass for each of the following gases given the STP density: (a) oxygen, 1.43 g/L (b) phosphine, 1.52 g/L (c) nitrous oxide, 1.97 g/L (d) Freon-12, 5.40 g/L
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...
Homework 3 t Gas Density and Molar Mass 6 of 14 > ReviewI Constants Periodic Table...
Homework 3 t Gas Density and Molar Mass 6 of 14 > ReviewI Constants Periodic Table ▼ Part B Pressure and temperature affect the amount of space between gas molecules, which affects the volume and, therefore, the density of the gas since To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.5-L bulb, then filled it with the gas at 1.30 atm and 24.0 °C and weighed it again. The difference in...
please help with A and B
Calculate the density of oxygen, O_2, under each of the following conditions: STP 1.00 atm and 15.0 degree C Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma. To identify a diatomic gas (X_2) a researcher carried out the following experiment: She weighed an empty 1.3-L bulb, then filled it with the gas at 1.60 atm and 30.0 degree C and weighed...
please show all work
A sample of Oxygen occupies 33.6 L under STP conditions. Find: a) How many moles of gas are in the sample? b) How many molecules are there in the gas? c) What is the average kinetic energy of a molecule? d) What is the total kinetic energy? e). what is the rms speed of oxygen molecules at this temperature? Problem 4
idk if my answers are correct pls help
6. Calculate the density of Nz at STP. 289/mol 22.44 7. The density of an unknown ideal gas at 20.0°C and 1.00 atm was found to be 1.83 g/L. What is the molar mass of the unknown? mm-d - 1.839/2 x 0437 0.00 TOO 8. Calculate the pressure exerted by 65.0 kg of Ar in a 756.0-L tank at 30.0°C. DV = nRT = P =nRT 7625 M X 0.882183030 250.ol Paki...
24) Which of the following represent STP (Standard Temperature and Pressure) conditions? A) T -0 K and P = 1 atm B) T=0°C and P 760 atm C) T= 273 K and P = 0 atm D) T-273 K and P-1 atm E) T = 1 K and P = 1 atm 25) Which of the following is TRUE for a liquid that is placed in a sealed container? A) Condensation of the evaporated molecules in the jar can only...
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...
Homework 3 t Gas Density and Molar Mass 6 of 14 > ReviewI Constants Periodic Table ▼ Part B Pressure and temperature affect the amount of space between gas molecules, which affects the volume and, therefore, the density of the gas since To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.5-L bulb, then filled it with the gas at 1.30 atm and 24.0 °C and weighed it again. The difference in...
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