Essays Tagged: "Molar mass"

Lab Report: determine the molar mass of an unknown gas, from the gas density

PURPOSE : In this particular laboratory experiment, we are going to determine the molar mass of an unknown gas, from the gas density. We are also going to use gas density, along with ... Chemistry 116 Experiment 116-8 Molar Mass From Gas Densities Pages 81 & 82 There are n ...

(8 pages) 149 1 4.6 Oct/1996

Subjects: Science Essays > Chemistry

"Finding the relative atomic mass of lithium."

now calculate the relative atomic mass of the piece of lithium that I used by rearranging a formula.Molar mass= relative atomic mass (Ar)If moles= Mass in g then Ar = mass in gMolar mass (Ar) molesI a ...

(5 pages) 49 1 4.0 Nov/2003

Subjects: Science Essays > Chemistry

The effect of the halogen atom on the rate of hydrolysis

each test tube 1 cm" of ethanol will be added. The test tubes will be numbered 1 to 3 and the same molar mass of 1-chlorobutane, 1-bromobutane and 1-iodobutane will be added correspondingly. A forth ...

(2 pages) 26 0 4.0 Mar/2004

Subjects: Science Essays > Chemistry

Freezing Point Depression Determination SCIENCE LAB EXPERIMENT

enzne as well as a 2,4,dichloralbenzne/biphenyl solution. We used this information to determine the molar mass of an unknown (#24) by the 3rd step in the experiment which was a 2,4,dichloralbenzne/unk ... lute per kg of solvent) of a dilute solution according to the equation:DELTA T = KfmWhere Kf is the molar freezing-point depression constant unique for each solvent.Super cooling often occurs in this ...

(8 pages) 50 1 3.8 May/2004

Subjects: Science Essays > Chemistry

Experiment 1: IR Unknown/Spectroscopy Assignment FOURIER-TRANSFORM INFRARED SPECTROSCOPY

Source: www.chemfinder.com and www.aist.go.jp/RIODB/SDBS/menu-e.html structure molar mass mp (°C) bp(°C) density (g/mL) Miscellaneous: conc ...

(4 pages) 41 0 4.0 Jul/2004

Subjects: Science Essays > Chemistry

In specific, the mass of a volatile unknown liquid was discovered with the use of the calorimeter.

overed with the use of the calorimeter.Experiment Eleven - Heat Effects and CalorimetryIn this lab, molar mass of a volatile liquid was determined through the use of a calorimeter The lab validates th ... l. This equation depends on the conservation of energy in the form of Delta T.We concluded that the molar mass was around 74.81, and that the specific heat of this metal was about .334, This is reason ...

(3 pages) 28 1 4.0 Dec/2005

Subjects: Science Essays > Chemistry

Moles Of Iron And Copper Formal Lab

ke the amount of the remaining copper from the nail, .66 grams, and multiply that by 1 mol over the molar mass of copper, 63.5 grams. Your grams cancel out, so you solve and get .01 moles.) -For the m ... Iron. (Solving: You solve it the same way that you would solve the above equation only with Iron's molar mass.) Conclusion There are about .01 moles in the copper from the nail. I observed the copper ...

(3 pages) 13 1 4.6 Jan/2002

Subjects: Science Essays > Chemistry

Science Sumeries Chaper 1-6 (Aus,y R12)

present. Repeat process untill weight in constant.MOLE 6.02 X 10^23 Number of moles = Mass in grams Molar mass PV = nRT R is constant at 8.31 T = Kelvin (C + 273) P = Pressure at KiloPascalls V = Volu ... at 8.31 T = Kelvin (C + 273) P = Pressure at KiloPascalls V = Volume in Litres N = Number in Moles Molar Volume of a gas The volume of 1 mole of gas depends on the gas temperature and pressure. At St ...

(12 pages) 23 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

The Ideal Gas Constant

7 mm Hg = 743.5 mm Hg2) Balanced Equation:Mg (s) + 2HCl (aq) H2 (g) + MgCl2 (aq)3) Moles of Mg used:Molar Mass of Mg is 24.3g/mol0.04268/24.3 = 0.0017564 mol4) Moles of H2 produced:Same as moles of Mg ...

(2 pages) 1847 0 0.0 Nov/2008

Subjects: Science Essays > Chemistry

Chemistry Study Notes - Dalton's Law and Graham's Law

particles move four times faster than oxygen’s at any temperature. Identify that gas from its molar mass.V2 = 4V1V1 = ?V2/V1 = square root of (m2)/(m1)4V1/V1 = square root of (32)/(m2)16 = 32/m2 ... of (32)/(m2)16 = 32/m2m2 = 32/16 = 2Mystery gas is Hydrogen.We can tell this because of its unique molar mass.What is the partial pressure of water vapor in an air sample when the total pressure is 1 ...

(1 pages) 7 0 3.0 Feb/2009

Subjects: Science Essays > Chemistry

Enthalpy Of Solution Lab Report Assessed on: * Data Collection and Processing (DCP) * Conclusion and Evaluation (CE)

ld have been with kg.We can assume that the density of water is 1000g / dm3. �NaOH has got a molar mass of (MNa + MO + MH) 23 + 16 + 1 = 40 g / mole.The Procedure recommended the use of 0.1 mol ...

(8 pages) 31 1 5.0 Mar/2009

Subjects: Science Essays > Chemistry

Atrazine

14ClN5 and is named by the IUPAC as 1-Chloro-3-ethylamino-5-isopropylamino-2,4,6-triazine. It has a molar mass of 215.68g/mol and at room temperature (298K) appears as a colorless solid. It's density ...

(3 pages) 0 0 0.0 Mar/2013

Subjects: Science Essays > Chemistry