Factors Affecting Rates of Reaction Thanks to Michelle Craig Manitoba Curriculum Chemistry Grade 12; Kinetics‚ Topic 3-08 Objectives To design short experiments to investigate and explain qualitatively using collision theory the relationship between reaction rate and temperature‚ concentration‚ catalyst‚ and surface area. Apparatus and Materials Available 3 x 250 mL beakers magnesium ribbon (1 cm) 3 x test tubes magnesium powder test tube rack mossy zinc 10 mL graduated
Premium Chemical reaction Reaction rate
Part I – Relation between BI rate and banks interest rate A. BI rate We take the BI rate‚ as the variable being estimated‚ from the period of 2006 until 2012. We then take the average rate in each year‚ rather than taking the rate in each month. As a note to the year 2012‚ we take the average rate that ranges only from January until August. Figure 1. BI rate (Percent per Annum) Source : Indonesian Financial Statistics‚ Bank of Indonesia‚ http://www.bi.go.id/web/en/Statistik/Statistik+
Premium Interest Debt Loan
“Pulsation Rate of Blackworms” Antonio Cavazos Biology 1107- 102 (Tuesday 1:00 – 3:50) 04/ 07/ 2009 Jose Fierro Addison Rhudy I. Introduction For any animal that is too large and/or too complex a circulatory system is needed to obtain essential chemicals by the process of diffusion alone. A circulatory system transports nutrients‚ oxygen and other important chemicals to all body cells. This system have three components: circulating fluid‚ a heart or pulsating vessel in charge
Premium Blood Blood vessel Heart
ERYTHROCYTE SEDIMENTATION RATE | -AND ITS VARIATION | | ABSTRACT: The Erythrocyte Sedimentation Rate (ESR)‚ also branded as sedimentation rate or Biernacki Reaction‚ is the rate at which red blood cells sediment in a time of 1 hour. To execute the test‚ anti-coagulated blood is positioned in an erect tube‚ known as a Westergren tube‚ and the rate at which the red blood cells fall is calculated and accounted in millimeters per hour (mm/h)
Premium Red blood cell Hematology Blood
of Interest Rate Risk Supporting Document to the New Basel Capital Accord Issued for comment by 31 May 2001 January 2001 Superseded document Superseded document Table of contents SUMMARY .............................................................................................................................................. 1 I. SOURCES AND EFFECTS OF INTEREST RATE RISK ............................................................. 5 A. SOURCES OF INTEREST RATE RISK ....
Premium Risk management Risk
Search any on-line data source (e.g.‚ CIA Factbook‚ CountryReports.org‚ U.S. State Department) to find specific country information on any of the three high-homicide and low-homicide countries identified in class in an effort to determine the causes or correlates of these high or low rates‚ answering the questions below (citing any data you find in these sources): a. Is there any consistent relationship between levels of education and homicide rates? I did Japan and there was no relationship with
Premium Central Intelligence Agency Crime Japan
Global Financing and Exchange Rate Mechanisms Veronica L. Powell University of Phoenix MGT/448 Donald Joseph March 31‚ 2009 Global Financing and Exchange Rate Mechanisms Currency is unreliable. In some countries the United States dollar is worth more than that countries currency‚ while in other countries the U.S. dollar is worth less. The exchange rate fluctuates on a continuous base which makes the term “funny money” more realistic each day. The purpose of this paper
Premium United States dollar Foreign exchange market Currency
IB Biology Internal Assessment: Yeast Fermentation Rates Planning(a) Question- Growth: What is the effect on Yeast Growth/Expansion during fermentation when mixed in water of varying temperatures? Hypothesis- Temperatures above or below the recommended fermentation temperatures will contain less‚ or be void of growth‚ either due to inactivation or to yeast death. Variables- | | | | |
Premium Yeast
and to explain why it is not possible to tetanize cardiac muscle. 4. To define extrasystole‚ and to explain at what point in the cardiac cycle (and on an ECG tracing) an extrasystole can be induced. 5. To describe the effect of the following on heart rate: vagal stimulation‚ cold‚ heat‚ pilocarpine‚ atropine‚ epinephrine‚ digitalis‚ and potassium‚ sodium‚ and calcium ions. 6. To define vagal escape and discuss its value. 7. To define ectopic pacemaker. I nvestigation of human cardiovascular physiology
Premium Heart Muscle Acetylcholine
Given the data presented above‚ there are not clear conclusions that can be drawn. In Table 4‚ there is information regarding the effects of varying the concentration of a substrate‚ in this case the pea extract. To view the graphical representation‚ which more clearly displays the relationship‚ view Figure 2. The rate at which the reaction occurred for the 100% concentration is 1.45 mg/dL per minute. For the 50%‚ the rate was 3.05 mg/dL per minute‚ and for the 25%‚ the rate was 2.76 mg/dL per minute
Premium Chemical reaction Chemistry Reaction rate