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Experiment 8 Ideal Gas Law: Estimation of Molar Mass of Mognesium 57 QUESTIONS POST LAB A...
57 ldeal Gas Law: Estimation of Molar Mass of Magnesium Experiment 8 QUESTIONS A POST LAB...
57 ldeal Gas Law: Estimation of Molar Mass of Magnesium Experiment 8 QUESTIONS A POST LAB A 0.0524-g sample of magnesium is reacted with 25 mL of 3.0 M sulfuric acid as described in the experimen- tal section. The resulting hydrogen gas is colllected over water and is found to have a volume of 53.6 mL. The temperature is 25 °C and the atmospheric pressure is 762.12 mm Hg. The column of water height inside the graduated cylinder is found...
BG20.2 Determination of the Ideal Gas Law Constant Page 9 of 12 PRELAB QUESTIONS (Show all...
BG20.2 Determination of the Ideal Gas Law Constant Page 9 of 12 PRELAB QUESTIONS (Show all calculations.) I. Write a balanced chemical equation for the reaction of magnesium with hydrochloric acid. 2. A class ran this lab as described above. One student cut a piece of magnesium ribbon and found that it weighed 0.0347 g. The magnesium reacted with the 4.0 mL of concentrated hydrochloric acid. The concentration of concentrated hydrochloric acid is 12 mol/liter. Which reactant is the limiting...
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of...
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X) .29 Volume of H2 gas L mL Temperature of H; gas 20 mm к C Atmospheric pressure (see barometer) Vapor pressure of water mmHg Partial pressure of H; gas mmHg atm Using PV-nRT and your data, calculate the moles of hydrogen gas produced in the experiment: l e epl8 moles H Convert moles of hydrogen gas to moles of the metal...
Laboratory Report - The Molar Volume of a Gas Experiment 9: The Molar Volume of a...
Laboratory Report - The Molar Volume of a Gas Experiment 9: The Molar Volume of a Gas Data 285 ml Run 1 Run 2 weight of magnesium 0.15g incl 21. 8 Ĉ temperature of the water (temperature of the hydrogen) in °K 315-8 K volume of water displaced (volume of hydrogen collected) V 285 ML atmospheric pressure (total gas pressure in the flask) 0.9931 atm vapor pressure of water at 0.0261 atm 19.84 mm te pressure of hydrogen collected 0.967...
Please do the following questions! thank you! Experiment 12: Generating Hydrogen Gas Part B: Molar mass...
Please do the following questions! thank you!
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X): Volume of H2 gas L K Temperature of H2 gas 0.12588 54.4 mL 23.0 C 765.8 mmHg 21.1 mmHg 744.7 mmHg Atmospheric pressure (see barometer) Vapor pressure of water atm Partial pressure of H, gas Using PV=nRT and your data, calculate the moles of hydrogen gas produced in the experiment: PV = 0.97987x54.4xio RT...
QUESTION 3 A student collected a sample of hydrogen gas in a eudiometer over a water...
QUESTION 3 A student collected a sample of hydrogen gas in a eudiometer over a water bath to experimentally determine the value of the gas constant, R. Calculate the experimental value of Rif the pressure of the gas was 0.991 atm, the volume was 36.3 mL the temperature was 292 K and the sample contained 1.54 x 103 moles of gas. QUESTION 4 A student collected a sample of hydrogen gas in a eudiometer over a water bath. The atmospheric...
DETERMINATION OF THE MASS OF MAGNESIUM METAL IN A SAMPLE EXPERIMENT 12 PRE-LAB QUESTIONS Fully answer these questio...
DETERMINATION OF THE MASS OF MAGNESIUM METAL IN A SAMPLE EXPERIMENT 12 PRE-LAB QUESTIONS Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. How many moles of hydrogen are present in a 43.50 mL sample at 25.5 °C and 772.8 torr? (assume the hydrogen is dry) 2. What is the mass of a piece of magnesium wire which produces 38.25 mL of hydrogen gas collected over water at 22.0 °C...
Lab partner: Molar Mass of Butane Prelab 1. Convert a pressure reading of 875 mm Hg...
Lab partner: Molar Mass of Butane Prelab 1. Convert a pressure reading of 875 mm Hg into atm. (1 atm = 760 mmHg) 2. Look up the chemical formula for butane and calculate its molar mass? 3. A pure gas sample has a volume of 109 mL, a pressure of 723 mm Hg, and a temperature of 23.5°C. Use the ideal gas law (Eq. 1) to calculate how many moles of gas are present in this sample? (Be sure you...
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...
In the electrolysis experiment similar to the one employed in this experiment; a student observed that...
In the electrolysis experiment similar to the one employed in this experiment; a student observed that his unknown metal anode lost 0.238 grams while a total volume of 94.50 mL of hydrogen was being produced. The temperature of the solution was 25 °C and the barometric pressure was 740 mm Hg. The vapor pressure of water at 25 °C is 23.8 mm Hg. 1. What is the pressure of the hydrogen gas in atmospheres? 2. What is the volume...
57 ldeal Gas Law: Estimation of Molar Mass of Magnesium Experiment 8 QUESTIONS A POST LAB A 0.0524-g sample of magnesium is reacted with 25 mL of 3.0 M sulfuric acid as described in the experimen- tal section. The resulting hydrogen gas is colllected over water and is found to have a volume of 53.6 mL. The temperature is 25 °C and the atmospheric pressure is 762.12 mm Hg. The column of water height inside the graduated cylinder is found...
BG20.2 Determination of the Ideal Gas Law Constant Page 9 of 12 PRELAB QUESTIONS (Show all calculations.) I. Write a balanced chemical equation for the reaction of magnesium with hydrochloric acid. 2. A class ran this lab as described above. One student cut a piece of magnesium ribbon and found that it weighed 0.0347 g. The magnesium reacted with the 4.0 mL of concentrated hydrochloric acid. The concentration of concentrated hydrochloric acid is 12 mol/liter. Which reactant is the limiting...
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X) .29 Volume of H2 gas L mL Temperature of H; gas 20 mm к C Atmospheric pressure (see barometer) Vapor pressure of water mmHg Partial pressure of H; gas mmHg atm Using PV-nRT and your data, calculate the moles of hydrogen gas produced in the experiment: l e epl8 moles H Convert moles of hydrogen gas to moles of the metal...
Laboratory Report - The Molar Volume of a Gas Experiment 9: The Molar Volume of a Gas Data 285 ml Run 1 Run 2 weight of magnesium 0.15g incl 21. 8 Ĉ temperature of the water (temperature of the hydrogen) in °K 315-8 K volume of water displaced (volume of hydrogen collected) V 285 ML atmospheric pressure (total gas pressure in the flask) 0.9931 atm vapor pressure of water at 0.0261 atm 19.84 mm te pressure of hydrogen collected 0.967...
Please do the following questions! thank you!
Experiment 12: Generating Hydrogen Gas Part B: Molar mass of unknown metal Unknown #: Mass of unknown metal (X): Volume of H2 gas L K Temperature of H2 gas 0.12588 54.4 mL 23.0 C 765.8 mmHg 21.1 mmHg 744.7 mmHg Atmospheric pressure (see barometer) Vapor pressure of water atm Partial pressure of H, gas Using PV=nRT and your data, calculate the moles of hydrogen gas produced in the experiment: PV = 0.97987x54.4xio RT...
QUESTION 3 A student collected a sample of hydrogen gas in a eudiometer over a water bath to experimentally determine the value of the gas constant, R. Calculate the experimental value of Rif the pressure of the gas was 0.991 atm, the volume was 36.3 mL the temperature was 292 K and the sample contained 1.54 x 103 moles of gas. QUESTION 4 A student collected a sample of hydrogen gas in a eudiometer over a water bath. The atmospheric...
DETERMINATION OF THE MASS OF MAGNESIUM METAL IN A SAMPLE EXPERIMENT 12 PRE-LAB QUESTIONS Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. How many moles of hydrogen are present in a 43.50 mL sample at 25.5 °C and 772.8 torr? (assume the hydrogen is dry) 2. What is the mass of a piece of magnesium wire which produces 38.25 mL of hydrogen gas collected over water at 22.0 °C...
Lab partner: Molar Mass of Butane Prelab 1. Convert a pressure reading of 875 mm Hg into atm. (1 atm = 760 mmHg) 2. Look up the chemical formula for butane and calculate its molar mass? 3. A pure gas sample has a volume of 109 mL, a pressure of 723 mm Hg, and a temperature of 23.5°C. Use the ideal gas law (Eq. 1) to calculate how many moles of gas are present in this sample? (Be sure you...
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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