# Ideal Gas Law Experiment

1346 Words 6 Pages
Introduction:
In this experiment, the molar mas of the chemical used for combustion in a lighter will be determined by using several methods. A flask will be filled to its max capacity and then filled with that gas. After that, the ideal gas law will be used to find mm (the molecular mass of a substance). The equation will be changed to mm=gRT/PV instead of the usual PV=nRT. There are several gas laws exhibited in this experiment. Dalton’s Law of Partial Pressures allows us to determine the pressure of the gas by subtracting the water vapor pressure from the total pressure of the flask. The total pressure would be the barometric pressure for the day and the water vapor pressure would vary with the temperature. The ideal gas law (PV = nRT) is
It should be about ¾ full (the exact amount isn’t significant in this experiment).
2) In a 250.0 ml flask, fill it to its max capacity (the very top of the flask). A pipet should be used to ensure accuracy. Record the first volume in the data table that will be used in the first
13) Repeat steps 1-12 for the second trial. All data must be recorded in the second data table.
14) Add the two molecular masses together and then divide by two to find the average molecular mass of the C4H10. Also calculate the percent error of the experiment by using the experimental molecular mass of the C4H10 and the actual molecular mass of C4H10 (58g/mol).

Data: First Trial:
Mass of lighter before 11.09 g
Mass of lighter after 10.60 g
Mass of gas (M1 – M2) 0.49 g
Initial V of H2O 308.0 ml
Final V of H2O 99.0 ml
V of gas (V1 – V2) 209.0 ml
T of room 20.9 ° C/ 293.9 K
Barometric Pressure 765.0 torr / 1.01 atm
Water Vapor Pressure at 21° C 18.7 mm Hg /0.025 atm
P of gas (barometric pressure – water vapor pressure) 0.985 atm
Molecular Mass of gas 57.40 g/mol
Second Trial:
Mass of lighter before 10.60 g
Mass of lighter after 10.10 g
Mass of gas (M1 – M2) 0.50 g
Initial V of H2O 307.1 ml
Final V of H2O 87.1 ml
V of gas (V1 – V2) 220.0 ml
T of room 20.9 ° C/ 293.9 K
Barometric Pressure 765.0 torr / 1.01 atm
Water Vapor Pressure at 21° C 18.7 mm Hg /0.025

• ## Alka-Seltzer Co: Two Gases

The answer then is .0298 moles of gas produced. After the reaction, and an incision to release the gas, the mass also had to be identified, which was less than the previous mass, 255.9 grams. The experimental molar mass was 0.0894 grams, found by using the moles of 〖Co〗_2 and the masses. The percent yield came about by dividing the experimental molar mass by the theoretical (44.01grams) to create 20 percent. The percent yield shows how far off the experimental calculations were from the truth.…

Words: 425 - Pages: 2
• ## Explain The Adiabatic Reaction Temperature Of Pyro-Oxidation Zone

T is the adiabatic reaction temperature of the pyro-oxidation zone. (Barman, Ghosh, and De) also considered the formation of tar and methane reforming reaction in the pyro-Oxidation zone. The adiabatic reaction temperature is found out by considering heat balance in the zone. Enthalpy of reactants + Heat loss=Enthalpy of products = The heat loss from the oxidation zone was found to be around 10% by Chern(cite). TO is the temperature of biomass fed to the gasifier and Ta is the temperature of air fed to gasifier.…

Words: 905 - Pages: 4
• ## Distillation Lab Report

Experiment 1 sought to separate a binary solution into two fractions and determine the identity of the components. This is accomplished through distillation which is the separation of a mixture of compounds. There are two types of distillation; simple and fractional. Simple distillation is used when separating liquids and solids or between liquids with boiling points that differ by more than 40-50°C. On the other hand, fractional distillation separates two volatile liquids in order to achieve two purified components.…

Words: 1011 - Pages: 5
• ## Enthalpy Of Neutralization Lab Report

• Subtract the mass of the conical flask from the mass of the neutralised solution to find m. The specific heat capacity of each solution is assumed to be the same as water which is 4.184 JK-1g-1 which is the cp. ΔT which is the temperature change can be found by subtracting the initial temperature of the solution from the final temprature which was found using the data logger. • The enthalpy change can then be calculated after all these values are found. Each trial can then be avaraged to find a more accurate result for our experiment. Conclusion and evaluation: The titration should be carried out carefully while making sure the color of the neutralized solution is the same for all the trials.…

Words: 889 - Pages: 4
• ## Separation Of Xylene Essay

 The operating pressure is 0.3kg/cm2 and 4.3 kg/cm2 in the second column.  All isomers of xylene was recovered from the column and were collected. The results obtained were 97 mole% benzene, 96 mole% toluene and 98 mole% xylene. In this process separation of acetonitrile from waste solvent acetonitrile is carried out.  The impurity contains isopropyl acetate, hydrogen cyanide, acrolein, oxazole.…

Words: 935 - Pages: 4
• ## Hydrogen Peroxide Decomposition Lab Report

Triplicate trials were performed on each concentration to obtain the mean. Dependent Rate of reaction of hydrogen peroxide decomposition r=(Δpressure/time)/kPa* s-1 Rate of reaction is represented by the peroxide decomposition change of pressure over time. Pressure was measured by using the gas pressure sensor. The same sensor was used throughout the experiment. Also the shortest tube was used to reduce systematic errors.…

Words: 1608 - Pages: 7
• ## Case Study: Fermentative Production Of RL

Twenty milliliters aliquots of MSM containing different concentrations of glycerol (2%, 5%, 10% v/v) were inoculated with seed culture (2% v/v), mixed with the solis substrate and incubated at 30°C. After incubation, RLs were extracted as described above. Control uninoculated flasks were prepared and treated similarly. 1.6.4. Response surface methodology (RSM) for the optimization of RL production under SSF Factors such as inoculum size (represented by the code A), temperature (represented by the code B) and pH (represented by the code C) were optimized by RSM.…

Words: 1368 - Pages: 6
• ## The Ideal Gas Law

Or simply, Ptotal = Pgas1 + Pgas2 + Pgas3 + Pgas4 + ... + Pgas n As previously mentioned, R is the ideal gas constant. In addition to being featured in the Ideal Gas Law equation, R is also used in other equations of thermodynamics. Officially R is equal to 8.314 (L∙kPa)/(mol∙K), 0.08206 (L∙atm)/(mol∙K), or 62.36 (L∙mmHg)/(mol∙K). [1] The objective of the lab is to prove the Ideal Gas Constant in the Ideal Gas Law. The gas, Butane, will be used to drain water from the Procedure A bucket was first filled with water and then the Graduated Cylinder to 250mL.…

Words: 752 - Pages: 4
• ## Substance Specific Heat Capacity

Repeat steps 4-7 using ethanol and propane. 14. Calculate the molar heat to measure the change in temperature when substances dissolve in water using the formula ∆H=mC∆T. Calorimetry experiment or method is the process of measuring the amount of heat released or absorbed throughout a chemical reaction. By knowing the change in heat, it can be determined if a reaction is exothermic or endothermic.…

Words: 1634 - Pages: 7
• ## Catalytic Oxidation Of Benzene Case Study

2. The gas phase catalytic oxidation of benzene reactor model and evaluation of the parametric sensitivity To illustrate the parametric sensitivity analysis, the case of gaseous phase catalytic oxidation of benzene to maleic anhydride was considered (Lupușor et al., 1981). The multi-tubular reactor (heat exchanger type) with the fixed bed catalyst inside a small diameter tubes (under 3 -4 cm) is continously cooled by molten salt mixture (nitrates and nitrites mixture; Maria , 2007). The raw materials are air (oxygen) and benzene. The compressed and filtered air is heated into a preaheter (using the heat coming from the reactor outlet) is mixd with benzene vapours at a concentration below the lower explosion limit (LEL, 1.5%).…

Words: 1079 - Pages: 5