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2. What is the molecular weight and molar mass of Mgs (PO4)2? 3. What is the...
Pall An experiment shows that a 114 mL gas sample has a mass of 0.170 g...
Pall An experiment shows that a 114 mL gas sample has a mass of 0.170 g at a pressure of 723 mmHg and a temperature of 34 °C. What is the molar mass of the gas? ΑΣΦ g/mol Submit Request Answer A Review | Constants 1 Periodic Table An experiment shows that a 248 - mL gas sample has a mass of 0.436 g at a pressure of 753 mm Hg and a temperature of 29 °C. Part A What...
Need help answering all questions;1,2,3,4,5, and 6 Homework Assignment 1. If 0.623 g of ethane gas...
Need help answering all questions;1,2,3,4,5, and 6
Homework Assignment 1. If 0.623 g of ethane gas (C.H.) is introduced into an evacuate 2.00 L container at 23deg C, what is the pressure in atm in the container? 2. A sample of phosgene (COCI) is collected in a flask with a volume of 247 ml at a pressure of 751 mmHg and a temperature of 21 deg C. The mass of gas is 1.00 g. What is the molar mass? 3....
Explain please 11. What is the empirical formula of a compound that is by mass 50% element A (whose molar mass is 38...
Explain please
11. What is the empirical formula of a compound that is by mass 50% element A (whose molar mass is 38) and 50% element B (whose molar mass is 19)? A) A,B B) AB, C) AB D) A,B2 12. What would be the volume of 76 g of fluorine gas (molar mass equal to 38 g/mole) at a pressure of 0.821 atm and a temperature of 27°c? R = 0.082 L.atm/molek A) 30 L B) 60 L C)...
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () ...
help
with remaining calculations please
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () 3. Inst s approval of apparatus C. Determination of Vol ume, Temperature, and Pressure of the Carbon Dioxide Gas 1. Initial reading of volume of water in CO.-collecting graduated cylinder (mL) 2. Final reading of volume of water in CO-collecting graduated cylinder (mL) 3. Volume of CO,(g) collected (L) 4. Temperature of water C) 5....
What is the new volume, in liters, of a 25.0 L sample of air at 843.6...
What is the new volume, in liters, of a 25.0 L sample of air at 843.6 mmHg and 152°C that is compressed and cooled to 35°C and 1520 mmHg? 2.. A balloon containing 7.83 moles of He has a volume of 27.5 L at a certain temperature and pressure. What would be the volume of the balloon, in liters, if 1.00 mole of Heis removed from the balloon at constant temperature and pressure? 3. Calculate the pressure in atmospheres, of...
2. An unknown gas has a density of 0.714 g/L at STP. What is the molar...
2. An unknown gas has a density of 0.714 g/L at STP. What is the molar mass of the unknown gas? 3. What is the molar mass of a gas if 0.891 liters at 20.0°C and 1.20 atm weighs 3.17 g? 4. Acetylene gas, CH2, reacts with oxygen gas to produce gaseous carbon dioxide and liquid water. Write the balanced equation for this reaction. What volume of CO2 is produced at STP from 5.00 g 02? 5. What is the...
6. Molar Density of Gases A. what is the density of Ne at 100 Celsius and...
6. Molar Density of Gases A. what is the density of Ne at 100 Celsius and 2.5 atm? B. what is the density of carbon dioxide at 25 Celsius and 1.0 atm? C. What is the molar mass of a gas with a density of 3.93 g/L at 250 K and 1 atm? 7. Application of Gas Laws: A. Calculate the molar mass of a gas if 0.152 g of the gas occupies 0.500 L at STP B. On a...
Ouestion 2 The relative molecular mass of carbon dioxide, CO2, is 44. The value of y...
Ouestion 2 The relative molecular mass of carbon dioxide, CO2, is 44. The value of y is 1.3 and was determined experimentally. Assume that CO2 behaves as a perfect gas. 2.1. Calculate the specific gas constant, R. 2.2. Calculate the specific heat capacity at constant volume, C 2.3. Calculate the specific heat capacity at constant pressure, Cp
can someone help with these practice problems? thank you! (5 pts.) 4. What is the density...
can someone help with these practice problems? thank
you!
(5 pts.) 4. What is the density of carbon dioxide gas at -25.2°C and 735 mmHg? (4 pts.) 5. What is the pressure, in atm, in a 7.50-L flask if 0.15 mol of carbon dioxide is added to 0.33 mol of oxygen? The temperature of the mixture is 48.0°C. (6 pts.) 6. A gas mixture consists of equal masses of methane (molecular weight 16.0) and argon (atomic weight 40.0). If the...
A sample of Anurance Cound is van O STATES OF MATTER Interconverting molar mass and density...
A sample of Anurance Cound is van O STATES OF MATTER Interconverting molar mass and density of ideal gases Raho A sample of an unknown compound is vaporized at 150. °C. The gas produced has a volume of 1220 mL at a pressure of 1.00 atm, and it weighs 3.34 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Be sure your answer has the correct number of significant digits....
Pall An experiment shows that a 114 mL gas sample has a mass of 0.170 g at a pressure of 723 mmHg and a temperature of 34 °C. What is the molar mass of the gas? ΑΣΦ g/mol Submit Request Answer A Review | Constants 1 Periodic Table An experiment shows that a 248 - mL gas sample has a mass of 0.436 g at a pressure of 753 mm Hg and a temperature of 29 °C. Part A What...
Need help answering all questions;1,2,3,4,5, and 6
Homework Assignment 1. If 0.623 g of ethane gas (C.H.) is introduced into an evacuate 2.00 L container at 23deg C, what is the pressure in atm in the container? 2. A sample of phosgene (COCI) is collected in a flask with a volume of 247 ml at a pressure of 751 mmHg and a temperature of 21 deg C. The mass of gas is 1.00 g. What is the molar mass? 3....
Explain please
11. What is the empirical formula of a compound that is by mass 50% element A (whose molar mass is 38) and 50% element B (whose molar mass is 19)? A) A,B B) AB, C) AB D) A,B2 12. What would be the volume of 76 g of fluorine gas (molar mass equal to 38 g/mole) at a pressure of 0.821 atm and a temperature of 27°c? R = 0.082 L.atm/molek A) 30 L B) 60 L C)...
help
with remaining calculations please
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () 3. Inst s approval of apparatus C. Determination of Vol ume, Temperature, and Pressure of the Carbon Dioxide Gas 1. Initial reading of volume of water in CO.-collecting graduated cylinder (mL) 2. Final reading of volume of water in CO-collecting graduated cylinder (mL) 3. Volume of CO,(g) collected (L) 4. Temperature of water C) 5....
2. An unknown gas has a density of 0.714 g/L at STP. What is the molar mass of the unknown gas? 3. What is the molar mass of a gas if 0.891 liters at 20.0°C and 1.20 atm weighs 3.17 g? 4. Acetylene gas, CH2, reacts with oxygen gas to produce gaseous carbon dioxide and liquid water. Write the balanced equation for this reaction. What volume of CO2 is produced at STP from 5.00 g 02? 5. What is the...
Ouestion 2 The relative molecular mass of carbon dioxide, CO2, is 44. The value of y is 1.3 and was determined experimentally. Assume that CO2 behaves as a perfect gas. 2.1. Calculate the specific gas constant, R. 2.2. Calculate the specific heat capacity at constant volume, C 2.3. Calculate the specific heat capacity at constant pressure, Cp
can someone help with these practice problems? thank
you!
(5 pts.) 4. What is the density of carbon dioxide gas at -25.2°C and 735 mmHg? (4 pts.) 5. What is the pressure, in atm, in a 7.50-L flask if 0.15 mol of carbon dioxide is added to 0.33 mol of oxygen? The temperature of the mixture is 48.0°C. (6 pts.) 6. A gas mixture consists of equal masses of methane (molecular weight 16.0) and argon (atomic weight 40.0). If the...
A sample of Anurance Cound is van O STATES OF MATTER Interconverting molar mass and density of ideal gases Raho A sample of an unknown compound is vaporized at 150. °C. The gas produced has a volume of 1220 mL at a pressure of 1.00 atm, and it weighs 3.34 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Be sure your answer has the correct number of significant digits....
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