experiment was to investigate the effects of salt type and concentrations on the rate of heating and the boiling point. Then from this data make a conclusion which salt type and concentration is the most energy efficient at heating water to its boiling point. It was hypothesised that highest concentration of MgCl2 was going to be the most energy efficient at heating the solution to its boiling point. This is because MgCl2 has the lowest specific heat capacity thus will use the least amount of energy
Premium Water Heat Chemistry
MELTING POINT AND BOILING POINTS OF ORGANIC COMPOUNDS ABSTRACT The properties of organic compounds depend on their chemical structures. Intermolecular forces of attraction affect physical properties such as melting and boiling point. Through the Thomas Hoover apparatus‚ the melting point of 8 test compounds was determined. Salicylic acid exhibited the highest melting point while naphthalene‚ the lowest. The stronger the intermolecular forces of attraction‚ the higher the melting point. Boiling point
Premium Carboxylic acid Hydrogen bond Organic chemistry
Problems for Angle of Elevation Problems: 1. A ladder with its foot on a horizontal flat surface rests against a wall. It makes an angle of 30° with the horizontal. The foot of the ladder is 41 ft from the base of the wall. Find the height of the point where the ladder touches the wall. Solution: Draw the figure for the given data. [Given] The distance from the foot of the ladder to the foot of the wall adjacent = 41 ft‚ and the angle of elevation is 30° Leto be the height of the side
Premium Length Imperial units
Elevation is a major geographical theme found in South America. Elevation has an effect on and can help explain different features‚ patterns‚ climates‚ food‚ and where people live in South America. The Andes Mountains are a major source of elevation in South America. Elevation affects where rivers flow. The Amazon River begins at a high elevation in the Andes Mountains and breaks off into different rivers and directions based on the elevation of the surrounding regions. In South America many resources
Premium Peru Andes South America
Assignment: Motivation Evaluation Krystin Bianchi 04/29/2012 Psy/230 April For this assignment‚ I will examine Brittany Spears choice of driving around with her children without having them properly secured in child seats. She also chose to continue this behavior after being ordered hby the court to comply with the law on this matter. I can state her reasons for doing so without agreeing with them. I would say that she chose to do this on her subconscious psychoanalytic motivation of protecting
Premium Britney Spears Motivation Child
information about boiling water. If you cover the tin and allow the water and air to cool down‚ the air will cool and contract‚ lowering the pressure in the tin. If it lowers enough‚ the partial vacuum will collapse the walls of the can! The boiling point definitely reduces with air pressure. There is a famous demonstration where boiling water or coffee is drunk‚ the trick is it was in a vacuum chamber where it boiled at room temperature. The actual definition of the boiling point of water is the
Premium Water Boiling Pressure
BOILING AND CONDENSATION BOILING • Phase change phenomenon where in transformation of liquid to vapour occurs at the saturation temperature of the fluid. It occurs at a solid/liquid interface due to convection heat transfer from the solid and usually occurs at surface temperatures higher than the saturation temperature of the fluid Agitation of fluid by vapor bubbles provides large convection coefficients Modified Newton’s law of cooling qs’’ h Ts Tsat Te • • • BOILING – CLASSIFICATON
Free Heat transfer Heat
SHORT INTRODUCTION TO TWO-PHASE FLOWS Condensation and boiling heat transfer Herv´ Lemonnier e DM2S/STMF/LIEFT‚ CEA/Grenoble‚ 38054 Grenoble Cedex 9 Ph. +33(0)4 38 78 45 40‚ herve.lemonnier@cea.fr herve.lemonnier.sci.free.fr/TPF/TPF.htm ECP‚ 2011-2012 HEAT TRANSFER MECHANISMS • Condensation heat transfer: – drop condensation – film condensation • Boiling heat transfer: – Pool boiling‚ natural convection‚ ´bullition en vase e – Convective boiling‚ forced convection‚ • Only for pure fluids. For mixtures
Free Heat transfer Heat
then it does in the winter. So we assumed that + 5 degrees would equal the summer schedule‚ and - 5 degrees would equal the winter. The actual angle will require additional information. We concluded that the x‚ or t in this case‚ intercepts were points of the sunrise and sunset. When the line rises over the t-axis‚ then the sun was up or in other words daytime‚ and when the line goes below the t-axis‚ then the sun was not out or in other words nighttime. The formula applied to the graph of this
Free Solar System Sun Planet
saLT AFFECT THE BOILING POINT OF WATER? 1 How Does Salt Affect the Boiling Point of Water? Elizabeth Mompoint Everglades High School HOW does saLT AFFECT THE BOILING POINT OF WATER? 2 Abstract The purpose of this experiment was to determine whether or not salt would affect the boiling point of water. Much of the research I conducted rejected my hypothesis which stated: if I add salt to water‚ then the boiling point of the water
Premium