Investigation into How the Concentration of a Reactant Can Affect the Rate of Reaction Aim To plan an investigation that allows me to measure the effect of increasing the concentration of a reactant on the rate of reaction. With the results generated‚ it is also hoped to draw accurate conclusions and explain the results using scientific knowledge. Introduction Some reactions are fast‚ for example neutralisation or burning magnesium in air to produce magnesium oxide. However‚ other reactions
Premium Chemical reaction
Surface Marking of the Lungs The apex of the lung extends upwards for one to two inches above the anterior extremity of the first rib‚ and is indicated by a curved line drawn from the upper border of the sterno-clavicular articulation to the junction of the inner and middle thirds of the clavicle‚ the highest part of the curve being from 1/2 inch to 1 1/2 inches above the clavicle. The apex of the right lung is 1/2 inch higher than that of the left. The subclavian artery lies on the cervical pleura covering
Premium Curve Heart
ECONOMIC VIEWPOINT: DOES ABORTION LOWER CRIME RATE? By: Robert J. Barro This article reviews various reasons for lower crime rates in the United States since 1991. There were many explanations offered such as better cops‚ strong economy‚ restrictions on crack cocaine. Of all the explanations offered‚ legalizing abortions was very interesting and unpredictable among them. It clearly had the evidence that legalization led to increase in number of abortions in 1973 resulting in drop of crimes in 1991
Premium
Scheduled Areas and Tribal Areas : Scheduled Tribes live in contiguous areas unlike other communities. It is‚ therefore‚ much simpler to have an area-approach for development activities and also regulatory provisions to protect their interests. In order to protect the interests of Scheduled Tribes with regard to land alienation and other social factors‚ provisions of ‘‘Fifth Schedule" and ‘‘Sixth Schedule"have been enshrined in the Constitution. The Fifth Schedule under Article 244(1) of Constitution
Premium Meghalaya Assam India
9/17/2013‚ Lois Andersen & Claire Ma “The Power of Osmosis” The purpose of the lab was to discover‚ through osmosis‚ the concentration of sugar water in a potato. First‚ potatoes were cut into strips about 3 centimetres in length and six strips were individually massed. Next‚ the six strips were placed in 6 different Dixie cups‚ labelled A‚ B‚ Q‚ X‚ Y‚ and Z. Each of the Dixie cups were then filled just enough to cover the potato strips‚ with substances that matched the letters of the cups
Premium Water Concentration Carbohydrate
mental condition characterized by feelings of severe despondency and dejection‚ typically also with feelings of inadequacy and guilt‚ often accompanied by lack of energy and disturbance of appetite and sleep. Mainly depression affects adults and adolescents‚ but does affect people of all ages. Over 20% of all Americans will experience depression at some point in their lifetime. Depression‚ though it is severe‚ can be treated in various ways if action is taken within adequate time‚ like with any other
Premium Major depressive disorder Bipolar disorder Schizophrenia
An Analysis on Factors that Affect Unemployment Rate: The Philippine Case An empirical paper presented to Dr. Cesar Rufino School of Economics De La Salle University In partial fulfillment of the course requirements in ECONMET Submitted by: Ramon Mikael S. Cabazor April 12‚ 2014 Table of Contents Introduction Background of the Study Statement of the Problem and Objective Significance of the Study Scope and Limitation 3 3 4 4 5 Review of Related Literature Unemployment
Premium Regression analysis
How Does Communication Affect Teamwork? What is the true definition of teamwork? According to www.eubios.info‚ “Teamwork is the coming together of an alliance or group of minds to collaborate‚ co-operatively work on a project‚ solve problems‚ negotiate‚ resolve conflict etc. What is the definition of communication? Communication is a process by which information is exchanged between individuals through a common system of symbols‚ signs‚ or behavior (http://www.m-w.com). In the world today
Premium Communication Dictionary Nonviolent Communication
worries that technology is deeply altering how students learn. The researchers note that their findings represent the subjective views of teachers and should not be seen as definitive proof that widespread use of computers‚ phones and video games affects students’ capability to focus. Even so‚ the researchers who performed the studies‚ as well as scholars who study technology’s impact on behavior and the brain‚ say the studies are significant because of the vantage points of teachers‚ who spend hours
Premium Education Teacher Learning
Does immigration help or hurt the U.S. economy? It sounds like a simple enough question. Immigration in recent decades has significantly increased the presence of offshore workers in the United States. The impact of these immigrants on the U.S. economy is hotly debated. Sometimes immigration and globalization have often been described as economic threats. The truth‚ however‚ is more complex. The most important conclusion that emerges is as follows: The studies uniformly show that immigrants do not
Premium United States Immigration to the United States Economics