Extracts from this document introduction molecular weight of a volatile liquid chemistry hl jaime castro a 10-2 presented to: keith rigby anglo colombian school experimental sciences department results: table1. In chemistry and physics, volatility is quantified by the tendency of a substance to vaporize vapor–liquid equilibrium volatile organic compound references. Start studying chemistry lab ii quiz- molar mass of a volatile liquid learn vocabulary, terms, and more with flashcards, games, and other study tools. A volatile liquid is one that evaporates or vaporizes quickly at room temperature not all volatile substances are liquids some are a volatile liquid is one that evaporates or vaporizes quickly at room temperature. Lab #19 - molar mass of a volatile liquid looking at back at the history of chemistry as a science, chemical and physical methods for determining atomic weights (or molar masses) have been an important way to identify new materials. Determining the molar mass and the likely identity of an unknown volatile liquid out of two possible molar mass of a volatile liquid lab. Ap chemistry connor thomas, ian tremblay, pancho mackinplankey. The objective of this lab is to experimentally determine the molar mass of an unknown and volatile liquid by narendran in types research science.
Determination of the molecular mass of a in this experiment a small amount of a volatile liquid will be do not use the air jets in the laboratory as they. Determination of the molar mass of volatile liquids lab video explanation measure the relative molecular mass of a volatile liquid. Experiment 2: molar mass of a volatile how would that affect your reported molar mass of the liquid explain in future lab molar mass of a volatile liquid. 7 obtain a liquid sample of an unknown volatile compound pour about 05 ml of the liquid into the test tube and quickly cover the test tube with the aluminum foil place the test tube in the hot-water bath make sure that the foil is above the water level (see figure 1) 8 immerse the temperature probe in the hot water bath as shown in figure 1.
Molar mass of a volatile liquid by the dumas method procedure: 1 obtain a pycnometer, stopper, and small 3-prong clamp from the supply area. Molar mass determination of a volatile liquid a student lab partner: a friend ch 222 lab manual page 23 february 11, 2003 purpose: to determine the molar mass of an unknown liquid.
Name:bill wagenborg mise - physical basis of chemistry third experiment molecular weight of a volatile liquid lab report. Lab #11 molecular weight of a volatile liquid one of the important applications of the ideal gas law is found in the experimental determination of the molecular weight of gases and vapors.
Mise - physical basis of chemistry third experiment molecular weight of a volatile liquid lab barometer for reading of the atmospheric pressure. Start studying lab manual- chapter 12 learn vocabulary, terms, and more with flashcards to determine the molar mass (molecular weight) of a volatile liquid. Lab 4 - molar mass of a volatile liquid purpose: to determine the molar mass of an unknown liquid whose boiling point is between room temperature and the boiling point for water key terms: list and define any additional new terms relevant to this experiment.
Lab # 9: molecular weight of a volatile liquid revised 8/19/2009 5 prestudy 1 (3) a convert 7546 torr to atm b convert 0843 atm to mm hg c convert 6986 mm hg to in hg (inches hg) 2 (5) a sample of an unknown liquid is vaporized in a flask having a volume of 5219 ml at 1059°c. Experiment 8: molecular weight of a volatile liquid introduction: determination of the molecular weight of a volatile liquid by the dumas method the dumas method is one of the simplest ways to measure the molecular weight of a substance. Ap chem name_____ lab- molar mass of a volatile liquid (modified from slowinski and bernstein) introduction: the purpose of this experiment is to experimentally determine the molar mass of the vapor of a volatile. In this lab, the purpose is to evaporate an unknown liquid substance sample, and measure its physical properties while it condenses by doing this, we will be able to tell what the molar mass of the liquid is. Definition of volatile liquid: liquid that evaporates at room temperature, or vaporizes easily see also vapor pressure.
Determining the molar mass of a volatile liquid objectives: copyright fountainhead press post-lab questions 1 in this lab. Below is the boiling point setup diagram shown in the lab manual adjust the liquid level so that the thermometer bulb is volatile liquid compound boiling point. Molar mass and chemical formula of a volatile liquid purpose: the purpose of this experiment is to use both provided percent composition and the ideal gas law (pv=nrt) to determine the molecular weight and the identity of a volatile liquid the mass of the vapor of this material will be directly measured. Throughout this lab, you will be working with a volatile liquid when it is warm, it is mostly a gas, and when it is cool it is mostly a liquid note that you will be measuring the density of the substance in both the liquid and the gaseous state, but you will find that the tendency of the volatile liquid to vaporize and condense introduces.