"Molar volume of hydrogen gas lab" Essays and Research Papers

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    blue color starts to fade After heating it is completely white – color has faded – and particles are smaller due to the stirring Calculations of Trial 1: Molar Mass of H2O = 2 x (1.01) + 16.00 = 18.02gmol1- How many moles of H2O evaporated Trial 1: 0.72g±0.04g/18.02gmol1- = 0.03995… ≈ 0.040mol±6.25% = 0.040mol±0.003mol Molar Mass of CuSO4 Cu: 63.55 gmol1- S=32.07 gmol1- O x 4= (16.00) x 4=64.00 gmol1- CuSO4= 159.62 gmol1- Moles of anhydrous part (CuSO4) 1.35g±0.02g/159.62 gmol1-=0

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    LESSON 3: MOLAR VOLUME QUESTIONS 1. Calculate the density of the least dense gashydrogen‚ at 25⁰C and 101.3kPa. [0.083g/L] 2. Calculate the density of the densest gas‚ uranium (VI) fluoride (UF6) at 70⁰C and 25.0kPa. [3.09 g/L] 3. An unknown monoatomic gas X has a density of 5.37g/L at 25⁰C and 101.3kPa. Calculate the molar mass of the gas and determine its identity. [ 131.028g/mol; Xe] 4. Calculate the density of ammonia gas in grams per litre at 18⁰C and 100.4kPa. [0.706g/L] SCH3U0 Gases

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    Molar Mass Lab

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    Molar Mass of a Volatile Liquid There are several ways to find the molar mass of a substance. One way‚ if the substance is a gas‚ is to use the Ideal Gas Equation to find molar mass. The standard equation reads PV=nRT where “n” is the number of moles present‚ “P” is the pressure (which is obtained by reading the barometric pressure of the room with the class barometer)‚ “V” is the volume of the gas‚ “R” is the universal constant‚ and “T” is the temperature of the gas. The experiment’s objective

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    Making and Testing for Hydrogen Gas Felicity Tyler Aim: To produce and test for hydrogen gas. Materials: * rubber stopper * dilute hydrochloric acid (HCI) * zinc pieces (Zn) * test-tube rack * matches * dilute sulphuric acid (H2SO4) * 2 cm strips of magnesium ribbon (Mg) * Iron pieces (Fe) * Test-tube Method 1. Test the different metals with the acids by separately combining

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    fuel is a natural fuel‚ such as coal or gas‚ formed in the geological past from the remains of living organisms. Humans use fossil fuels every minute of each day in order to survive. Coal‚ oil‚ petrol gas‚ diesel fuel‚ and natural gas are all used from fossil fuels. That being said‚ we use it with some things such as‚ central heating and air conditioning‚ driving a car‚ shopping for groceries that were delivered by a truck or train‚ and/or using an outdoor gas grill for cooking. Without fossil fuel

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    Its a Gas Lab

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    It’s A Gas! Name____________________________ Pd. _______ Purpose: The purpose of this lab is to look at some properties of three common compounds‚ CO2‚ H2‚ O2. Materials: Zinc Hydrochloric acid Hydrogen peroxide Manganese dioxide Calcium Carbonate (marble chips) Safety:The Hydrochloric acid used in this experiment could cause blindness upon contact with the eyes. Wear your goggles and handle it with care. Procedure: I. Place approximately

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    Lab #4 Emission Spectroscopy and Flame Test Date of Lab: 10/24/13 OBJECTIVE To observe a continuous spectrum‚ emission spectrum‚ and an absorption spectrum‚ and be able to distinguish among the three. To be able to identify metal ions by doing a flame test and looking at a spectrum. At the same time increasing the ability to use and understanding of lab equipment‚ in this case‚ a spectroscope. To be able to calculate the frequency and energy of certain frequencies of light. PROCEDURE

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    Gas Pressure and Volume Relationships Exp. E-1A A. Obtain a pressure-measuring device as indicated by your lab instructor. Obtain a 60 mL syringe‚ fill it with air‚ and connect the syringe to the gas-measuring device as indicated in the figure. Test your apparatus for gas leaks. If you can’t eliminate all leaks‚ see your lab instructor. B. If necessary‚ calibrate your gas-measuring device as indicated by your lab instructor. Fill your syringe to the largest volume mark on the syringe and reconnect

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    Molar Mass Lab

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    09/17/13 Che 102L Lab # 4 Molar Mass by Freezing Point in Anti-Freeze. Objective: to determine the freezing point of pure naphthalene‚ determine the molar mass of an unknown by measuring the freezing point depression of a solution of the unknown in naphthalene. Materials: Beakers 600 mL‚ 2-250 mL‚Crystal Ice‚20 g of NaCl‚Stirring Rod‚Thermometer‚Foil‚ Water‚ 10 mL‚ Cylinder‚ 25 mL 100 mL Dropper‚ 2 Test Tubes. Procedure: Filled 600 mL beaker with ice‚ took temperature until it got

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    Determination of the molar mass of carbon dioxide Purpose: The purpose of the practical that we completed was to determine the molar mass of carbon dioxide (CO2) by experimental means and to observe the reaction of hydrochloric acid and sodium carbonate. Using the balanced equation: Na2CO3 + 2HCl → 2NaCl + H2O + CO2 Materials / Apparatus: 1) 8.00g of sodium carbonate‚ 2) 30mL of hydrochloric acid (6molL-1) 3) 100mL of hydrochloric acid (6molL-1) 4) 100mL conical flask‚ 5) 150mL glass beaker 6)

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