This is the data sheet for Molar mass of vapor3; 1. Unknown Liquid #: N/A 2. Mass of flask + cap + rubber band 56.45 g 97 3. Temperature of boiling water °C 4. Barometric Pressure 755.7 mmHg 5. Mass of flask + rubber band + cap + condensed vapor 57.88 6. Mass of condensed vapor What is the mass of condensed vapor? 1.34g O 93 O 143g O751.5 * Previous Next beatsoudio

This is the data sheet for Molar mass of vapor3; 1. Unknown Liquid #: N/A 2. Mass of flask + cap + rubber band 56.45 g 97 3. Temperature of boiling water °C 4. Barometric Pressure 755.7 mmHg 5. Mass of flask + rubber band + cap + condensed vapor 57.88 6. Mass of condensed vapor What is the mass of condensed vapor? 1.34g O 93 O 143g O751.5 * Previous Next beatsoudio

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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When a meteorologist reports precipitation in the weather forecast, this is usually associated with a low-pressure system. Go through the following activity to explain why precipitation would be associated with a low atmospheric pressure. Air that is saturated or contains water vapor will have more water and [ Select ] v dry air in the overall mixture compared to dry air. This causes the overall density of the air to [ Select ] V. The air will be [ Select ] dense than dry air and the atmospheric pressure will be [Select] than dry air.
6. Using the previously recorded and calculated values, determine the molar mass of the gas for Trial I and Trial II. Calculate the average molar mass for both trials. Determine the average deviation and the parts per thousand using your molar mass values. Hint: do not average any values until you have calculated the molar mass values for the unknown liquid. Show all work! molar mass (Trial I) (g/mol): molar mass (Trial II) (g/mol): average molar mass (g/mol): average deviation: Parts per thousand:
The melting point of some materials depends on the number of atoms in the molecule. N, # of atoms in molecule T, melting point / °C 17 75.00 18 80.13 19 85.00 20 89.62 What is the equation of the line that best fits the data? Question 4 options: T = 50 LN(N) – 100 T = 90 LN(N) – 180 T = 20 LN(N) – 50
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en Page 2 of 2 Previous Next 8. The boiling point of 500.OL of water was determined to be 100.0°C. Ana has decided to increase the boiling point to 101.0°C by adding ammonium sulfate. How many grams of ammonium sulfate is required to achieve this? (Kb H20 - 0.512°C/m; MW ammonium sulfate 132.14g/mol) A. 119.12 g В. 129.04 g С. 129.12 g D. 119.04 g E. None of the above. 9. At what temperature is the osmotic pressure of 1.00M solution of NaCl equivalent to 60.5atm? A. 85.90 °C B. 93.50 °C С. 95.30 °C D. 90.35 °C E. None of the above. 10. What is the osmotic pressure (at 20 °C) of a solution made by dissolving 13.0g of sucrose in 117.0g of water? The total volume of the solution is 125ml, at 20 °C. A. 3.17 atm B. 3.71 atm C. 7.31 atm D. 7.13 atm E. None of the above.