Essays Tagged: "Pressure"

This is about the Differences in Cyclones and Anti-Cyclones

There are many difference between a cyclone and an anti-cyclone. The Biggest difference is the wind pressure. A cyclone has to have a low pressure center, were as an anti-cyclone has to have a high pr ... ne also moves counter-clockwise. But a cyclone moves clockwise. They move is way because of the air pressure.

(1 pages) 33 0 4.3 Sep/2002

Subjects: Science Essays > Earth Sciences

Analysis of a Vapor Power Plant

he state properties at all points within the cycle. Included is an analysis of the ideal extraction pressures based on the calculated values of net work, energy input, thermal efficiency, moisture con ... enters the first turbine stage at 120 bar, 520 °C and expands in three stages to the condenser pressure of .06 bar. Between the first and second stage, some steam is diverted to a closed feedwate ...

(7 pages) 33 0 1.7 Jan/1996

Subjects: Science Essays > Chemistry

"Gas Law Variables" It describes volume, pressure, and amount of gas.

e volume is constant, then the container is made with thick, rigid walls that cannot move. When the pressure is increased, the walls may break thus destroying the experiment. However, within the limit ... However, within the limits of any experiment, the walls remain fixed and the volume stays constant.Pressure:The molecules of gas hitting the walls of the container create gas pressure. This concept i ...

(1 pages) 44 0 3.5 Dec/2002

Subjects: Science Essays > Physics

An essay on the mechanism of breathing and its control.

s expansion means there is an increase in the volume of the thorax and a decrease in intrapulmonary pressure. A pressure gradient is therefore established from the atmosphere to alveoli, hence air bei ... adient is therefore established from the atmosphere to alveoli, hence air being suck into the lower pressure in the lungs called inspiration or breathing in.2)ExpirationThis involves the relaxation of ...

(4 pages) 87 0 4.4 Jan/2003

Subjects: Science Essays > Biology > Human Biology

Boyle's Law Experiment.

Boyle's Law ExperimentAimTo show that Pressure is proportional to the inverse to volumeMethodA gas syringe was attached to a pressure sens ... nge was attached to a pressure sensor. The pressure sensor was calibrated, assuming the atmospheric pressure at the time of the experiment was 100kPa. Differing volumes of gas were created in the gas ... s of gas were created in the gas syringe and they were recorded as were the corresponding values of pressure at that particular volume. The volume was varied between 20cm3 and 75cm3.ResultsA set of re ...

(2 pages) 15188 1 4.3 May/2003

Subjects: Science Essays > Physics

Assessing Blood Pressure

Assessing Blood PressureWhen assessing a patient you must perform numerous tasks. These tasks are used to determine ... ded in a set of vital signs and one of the most important measurement you will collect is the blood pressure ("First Aid & Emergency Care"). This set of numbers is used to determine the amount of ... oxygenated blood to tissues and organs) walls ("First Aid & Emergency Care"). A patient's blood pressure varies pending on his/her age, sex and medical history.Many new healthcare providers do not ...

(3 pages) 102 0 4.4 Apr/2004

Subjects: Humanities Essays > Health & Medicine

Cosmetic Surgery.

t into society from magazines, commercials, and other types of media and press. Women have all this pressure to be the "perfect" woman. Men on the other hand are able to get away with much more. Men c ... . If women were to do that, they would not get as much attention. Another example of how women have pressure of always being pleasing to the opposite sex is sweating. If men sweat, it is acceptable in ...

(1 pages) 36 0 5.0 Oct/2005

Subjects: Social Science Essays > Society and community

Info-Sys Management with E-commerce applications

individual ............................................. 5 - 74. Description and examples of major pressures in the business environment and how the major organization responses to them...... 7 - 95. ... ementation on organizations, this essay will elaborate on the IT impacts on organizations, business pressures among organizations, relationship within business, community, and individual. Technology C ...

(15 pages) 352 0 4.1 Mar/2006

Subjects: Science Essays > Computer Science

How a boat works

chamber, the water quickly gains velocity and is expelled out the back of the watercraft under high pressure. This opposing force of high velocity water then pushes the boat forward. In the traditiona ... wo or more twisted blades, called a propeller, and then produces force generating the difference in pressure between the forward and rear surfaces of the blades.Another key principle to how a boat wor ...

(3 pages) 13 0 3.0 Aug/2006

Subjects: Science Essays > Engineering > Mechanical Engineering

Aqualisa Quartz Case

tor of Aqualisa, the Quartz shower was "leaps and bound" above other U.K. showers in terms of water pressure, ease of installation, use, and design. Unlike standard shower installations that took two ... to exceed the needs of the consumer. The consumer wanted a shower that looked great, delivered good pressure at stable temperatures, was easy to use, and didn't break down. Plumbers wanted a shower th ...

(7 pages) 368 0 3.0 Apr/2007

Subjects: Businesss Research Papers > Case Studies

Along The Lines Of Optimizing Performance

or that players on the brink of a championship will play unusually badly or "choke" under the pressures generated by a supportive home crowd.Therefore, they proposed the hypothesis that in a dec ... And they felt that when people choke, they perform more poorly than they otherwise would because of pressures arising from the importance of the performance Choking evokes images of self-consciousness ...

(3 pages) 374 0 0.0 Aug/2001

Subjects: Businesss Research Papers

Just Me

our teenage years because of the problems that will arise such as babysitting, schoolwork, and peer pressure. My first problem with becoming a teenager was babysitting. I had the responsibility ... that same grade for the upcoming school year. The final and last reason is coping with peer pressure. Peer pressure is when someone is pressured into doing something that they disapprove of do ...

(2 pages) 337 0 0.0 Feb/2002

Subjects: Businesss Research Papers

Effects of social pressure on

Abstract The current experiment investigates the effects of different types of social pressure on academic performance of entering freshmen. Ninety undergraduate students (45 males and 4 ... re randomly assigned to three equal groups. Students of the first group experienced positive social pressure and their first semester GPA's were used as a dependent variable. Those in the second group ... ster GPA's were used as a dependent variable. Those in the second group experienced negative social pressure. Meanwhile, students in a third control group experienced no social pressure at all. Using ...

(12 pages) 82 0 0.0 Feb/2008

Subjects: Social Science Essays > Psychology

Feelings of Belonging to the o

often wonder why we put so much emphasis on the way a person looks. I think males feel more of the pressures of looking " big, strong, and muscular". I've talked to some of my guy friends and they to ... oking " big, strong, and muscular". I've talked to some of my guy friends and they told me that the pressure and competition they are faced with is stressful and painful. I told them that I am not too ...

(4 pages) 16 0 1.0 Feb/2008

Subjects: Law & Government Essays > Civil Rights > Women's Studies

The Ideal Gas Constant

eaction had stopped and the tube was a little over half full. After that we let it cool off to room pressure for 4 more minutes.Data Table For Ideal Gas Constant LabTrial 1Trial 2Mass of 2 meter of Mg ... s of Mg ribbon (g)0.042680.04268Volume of gas (mL)44.5044.05Room temperature (oC)23.523.5Barometric Pressure (mm Hg)765.2765.2Calculations: Trial 1:Mass of Mg ribbon:1.94/200 =0.0097g/cm0.0097(4.4) =0 ...

(2 pages) 1842 0 0.0 Nov/2008

Subjects: Science Essays > Chemistry

Gases - Chemistry Study Notes

Gases pressure is exerted by gas particles hitting the walls of the containerweakest intermolecular force ... obey “Gas particles neither attract nor repel each other” (#3 of kinetic theory of gases)PressureWhy is stepping on a nail more painful than lying on a bed of nails?-force exerted by your m ... one lies on a bed of nails) compared to when you step on a nail, so you feel less pain.equation for pressure --> P = F/A F - force, A - Areachanging the area --> increase the area (pressure decr ...

(2 pages) 12 0 3.0 Jan/2009

Subjects: Science Essays > Chemistry

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

Dalton’s Law ~ the partial pressure of each gas in a mixture of gases is proportional to the proportion of moles that the gas r ... he gas represents in the mixture.Ptotal = P1 + P2 + P3…Composition of Dry AirPercentagePartial Pressure (kPa)N278.1 %79.11O221% 21.22Ar + others0.93% 0.95CO2 0.04% 0.04100%101.3 kPa (room pressur ... 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 1.00 atm, the partial pressure o ...

(1 pages) 7 0 3.0 Feb/2009

Subjects: Science Essays > Chemistry

Chemistry - Discovering Gas Laws Notes

In this experiment, you will generate data to develop hypotheses that relate pressure and volume, and pressure and temperature. In the first case, you will compress and expand a ... nd temperature. In the first case, you will compress and expand a sample of air and measure how its pressure changes. In the second, you will cool and heat a sample of air to see how its pressure chan ... of air to see how its pressure changes.1. Write a purpose.The purpose of this lab is to monitor the pressure changes in two different scenarios (compressing and expanding a sample of air, and cooling ...

(2 pages) 866 0 3.0 Feb/2009

Subjects: Science Essays > Chemistry

In-depth explanation of the Haber Process.

is known that the reaction for the synthesis of ammonia is most effective at low temperatures, high pressures and by using increased concentrations of reactants, which all shift the equilibrium positi ... there are numerous methods to increase the yield of ammonia production. Methods include aspects of pressure, temperature, volume, concentration and catalysts deriving from various principles and rule ...

(10 pages) 44 1 4.7 Aug/2009

Subjects: Science Essays > Chemistry


2001and in spite of being much better than the existing showers in the U.K market in terms of water pressure, ease of installation, use and design, it didn't have very impressive sales figures in the ... bing some of which dated back to the Victorian period and were plagued with problems like low water pressure and high fluctuations in temperature, which were mostly addressed through the use of either ...

(13 pages) 30 0 0.0 May/2010

Subjects: Businesss Research Papers > Marketing