# Essay on The Validity Of Gas Laws

1610 Words Mar 1st, 2016 7 Pages
NTRODUCTION In this experiment the validity of Gas Laws were observed and the relationship of two variables, temperature and volume, against pressure was tested. Gas Laws are encompassed by the Ideal Gas Law in which PV=nRT observes the general behavior of a gas under ideal conditions in terms of pressure(P), volume(V), moles of gas(n), gas constant(R), and temperature(T). The Ideal Gas Law is a combination of Boyle 's Law, Charles ' Law and Avogadro 's Law and was first introduced in 1834 by Emile Clapeyron. For the purposes of this experiment, attention is given to Boyle 's Law and Guy-Lussac 's Law. British scientist Robert Boyle discovered the relationship between volume and pressure by using a J-tube and observing the volume that the gas occupied decreased as more mercury and thus pressure was exerted into the tube. His theory that the volume occupied by the gas acts inversely to the pressure exerted upon it can be expressed mathematically as PV=K. The pressure of a gas of fixed mass and fixed volume is directly proportional to the gas 's absolute temperature, this physical law was formulated by the French chemist and physicist Gay-Lussac in 1802.² Joseph Louis Gay-Lussac expanded upon the work of Jacques Charles and is accredited to the equation (P/T)=K however, to a lesser known extent it is also due to the work of Guillaume Amontons that this relationship was discovered using an “air thermometer”. Calculations were done using the volume, pressure, and temperature…

## Related Documents

• ###### Essay Validity And Validity Of Predictive Validity

edu/sommerb/sommerdemo/intro/validity.htm b) Valid data is data, which is reliable, true, and accurate. There are three types of validity; content, predictive, and concurrent validity. Content validity has to do with the accuracy and dependability of the instrument being used to gather data. Predictive validity is dependent on data points correlate with each other even if they are gathered at later points in time. Concurrent validity is dependent on data that is gathered from one instrument correlating with data gathered from another…

Words: 1083 - Pages:
• ###### Essay Reliability and Validity

Reliability and Validity are important aspects of research in the human services field. Without reliability and validity researchers results would be useless. This paper will define the types of reliability and validity and give examples of each. Examples of a data collection method and data collection instruments used in human services and managerial research will be given. This paper will look into why it is important to ensure that these data collection methods and instruments are both reliable…

Words: 884 - Pages: 4
• ###### Determining Molar Mass by Ideal Gas Law Essay

By manipulating the ideal gas law (PV=nRT), we will be determining the molar mass of an unknown volatile liquid. Heating a flask filled with an unknown, easily evaporated liquid will allow for measurements that can be taken to work out the ideal gas equation. This lab will require knowledge of basic equations used in chemistry. Using these equations, such as density and number of moles(n), we can substitute different values into the ideal gas law to manipulate it. II. Materials:…

Words: 907 - Pages: 4
• ###### construct validity Essay example

Construct Validity Opinion Paper Sarah Phillips Wilmington University Construct Validity Opinion Paper Most, but not all, tests are designed to measure skills, abilities, or traits that are and are not directly observable. The process of using a test score as a sample of behavior in order to draw conclusions about a larger domain of behaviors is characteristic of most educational and psychological tests (Miller, et. al., 2013). Responsible test developers and publishers must…

Words: 679 - Pages: 3
• ###### The Validity of Creationism and Evolution Essay

The Validity of Creationism and Evolution Abstract: This paper discusses the validity of both creation and evolution and examines whether they can interact with each other. Besides doing my own research, I have chosen to interview four people extensively involved in either Christianity or biology. I specifically picked interviewees who strongly supported either evolution or creation to get both sides of the issue. Two of the people were from United Christian Fellowship (UCF): Andrew Larratt-Smith…

Words: 3555 - Pages: 15
• ###### Essay Validity And Validity Of Validity

The concept of validity in research has been broadly used in academia and by researchers in different fields of study. The dictionary of social research methods compiled by Jupp (2006) defines validity as “the extent to which conclusions drawn from research provide an accurate description of what happened or a correct explanation of what happens and, why.” Similarly, Creswell (2014) described validity as a procedural benchmark for assessing the accuracy of an investigation and the conclusions made…

Words: 1720 - Pages:
• ###### Essay Gas Laws And The Gas Law

different relationships between the variables in the gas laws and to use data to determine if a gas can ever act ideally. An ideal gas assumes gas particles do not interact and the size of each the molecules is negligible (cite). The different gas laws observed in the virtual labs were Boyle’s Law which is PV=C, Charles’ Law which is given by the formula V/T=C, and Gay-Lussac’s Law, P/T=C. These laws are all different derivatives of the Ideal Gas Law which is PV=nRT. The variable P is equal to pressure…

Words: 1321 - Pages: 6
• ###### Essay Validity And Validity Of The Test

Validity speaks to the magnitude to which the interpretations of test scores are grounded in theory and evidence. Validity is one of the most fundamental things to think about when evaluating psychological test. The question of validity can be expressed from three different perspectives, purpose of the test, the form the test comes in and the population being served. Therefore, researchers should never say “the test is valid.” Instead, researchers should state that the test is valid enough…

Words: 1056 - Pages:
• ###### Essay Constitutional Validity Of The Law

“Judges (courts) do not ‘make’ law but merely interpret the law.” The famous quote, “Justice is the tolerable accommodation of the conflicting interests of society, and I don 't believe there is any royal road to attain such accommodation concretely” [Hamburger: http://www.quotegarden.com/justice.html (Downloaded 20th March 2016)] can be considered for interpreting that “Judges (courts) do not ‘make’ the law but merely interpret the law” as practically law is ruling our daily life as “the critics…

Words: 2219 - Pages: 9
• ###### The Validity of Recovered Memories Essay

Defense Paper One: The Validity of Recovered Memories The sudden recovery of repressed memories from a traumatic event such as childhood sexual abuse can be both validating and confusing for clients that are seeking help with various problems. These new memories might be able to help client identify the cause of their feelings and issues that are affecting their life. However for others it can be a very difficult time because of the conflicting emotions about the abuser. Worst of all when dealing…

Words: 1682 - Pages: 7