Date Post-Lab Questions If your partner did not take into account the vapor pressure of water whe...
Date: 7 Record the barometric pressure. 8. Repeat this experiment with the second piece of magnesium ribbon. 9. Untwist the wire from the piece of fiberglass. Rinse the wire, fiberglass square, and stopper, place them in the container, and return the container to the instructor's desk. The table of temperature/Vapor pressure of water is in your textbook and in the back of your laboratory manual. The density of mercury is 13.6 g/mL. 61302083 Data Sheet Unknown Number Sample 2 40.8m2...
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2 + H2 Use the following reaction information to answer the subsequent questions. Show all of your work. 92 mm Length of Magnesium ribbon: Barometric Pressure: 762.9 mmHg Water Temperature: 29 °C Initial Gas Volume: 0.00 mL Final Gas Volume: 67.35 mL 0.7559 Mass = Length (in mm) x (1000 mm) 1. Magnesium is usually found in the laboratory as a ribbon strip. Find the...
Data Sheet Unknown Number Sample 2 Sample 1 Volume of Ha gas (ml.) 22.65 22.12 Temperature of water (C) 20 8 0 20.8 C Height of water column (mm) 324.9 210.2 Vapor pressure of water at above temperature (mmlig) 7.5 17.5 Barometric pressure (mmHg) 747.776 구4구. 구구6 CALCULATIONS (Show calculations) Pressure ofthe column of water (mmHg) Pressure of dry hydrogen (mmHg) Moles of Hydrogen Mass of Magnesium ribbon (g) Average mass of magnesium ribbon (g) Vapor Pressure of Water at...
Section - Date Name Lab Partner DATA Trial Mass of Mg (g) - 0.0301 3 Temperature (°C) Volume of H, gas (mL) 30.1 Barometric Pressure (mmHg)_latm 349 38.6 lamm CALCULATIONS A. Experimental Determination of the gas constant, R 1. Write the balanced chemical equation for the reaction between magnesium and hydrochloric acid 2. How many moles of Mg were consumed? 3. Based upon the chemical equation how many moles of H, gas were produced? 4. What volume of H, gas...
Data Collecting hydrogen gas from the reaction of Mg with HCI Trial 1 Trial 2 Trial 3 Atmospheric pressure (in Hg) O pen Mass Mg ribbon 0.069 1.osa. 1.069 Volume Ha collected (ml) sim 40 mL de ML Temperature of water (°C) 23 с әət 1 22oC Vapor pressure of water (Table 10.1) 19.8WHO 19.8 mmHg 1.8 in Ho Atmospheric pressure (mm Hg) Partial pressure of H2 Temperature of water (K) Volume of H: collected (L) Moles Hz Theoretical moles...
DATA Trial 1 Trial 2 Mass of Mg ribbon (g) TO SU 0.07839 (Proom) Barometric pressure (mmHg) 756 matte 756rrotta | 22.4°C Temperature of water inside beaker (C) 23.0°C 22.8°C Temperature of the room (°C) (T2) Pwater (mm Hg) Vapor pressure of water found in table at the end of the experiment, based on the temperature of water inside the beaker. 5 mm Hg Volume from graduated cylinder (mL) (V2) 60.2mL 82.4mL CALCULATIONS . Write the balanced chemical equation for...
Temperature °C Water Vapor Pressure (mmHg) Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer. Calculate the mass (in grams) of magnesium metal needed to produce 39.0 mL of hydrogen gas at an atmospheric pressure of 739 mmHg and a temperature of 25.9 °C. 20 17.5 22 19.8 24 22.4 Mass of Mg - g 26 25.2 28 28.3 30 31.8
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...
Mass of Magnesium strip Use the length of your magnesium strip and the mass per m provided by your TA to calculate the mass of your magnesium strip. Make sure to convert so that your units match! Mass of magnesium strip Moles of magnesium used Convert the mass of each magnesium strip into moles using the molar mass. Moles of magnesium Moles of hydrogen produced (n) Use the mole ratio from the balanced chemical equation to convert the moles magnesium...
-REPORT FO SECTION DATA Mass of magnesium strip: 2402 Temperature of water from the thermometer: 71 3705 Atmospheric pressure (inches) 29.3Sx 2513 Volume of gas collected: CALCULATIONS: (Show work) 20 94A0つ Moles of magnesium: OS10X 24.30 2.094316 3 Moles of hydrogen produced 12 29215K Temperature of gas in Kelvins: Volume of hydrpgen gas in liters: Atmospheric pressure (mm. Hg): Vapor pressure of water in eudiometer: Pressure of hydrogen gas in eudiometer (mm.Hg.): Pressure of hydrogen gas (atmosphere): Calculated value of...