Experiment 5 Gravimetric Determination of Sulfate Eisman E. Morales TA: Jackeline Pennywiit Chemistry 121 02/14/2011 Purpose: To determine the percent sulfate in a sample using a semimicro scale gravimetric procedure. Procedure: Refer to pages 41-42 of General Chemistry volume 1 Laboratory Experiments by Judith Casey and Robert Tatz‚ Hayden McNeil Publishing‚ 2010 Report Sheet See attached report sheet. Report Questions 1. Explain how your calculated value for percent
Premium Chemistry Solubility Water
PRACTICAL 15: DETERMINATION OF HEAT OF NEUTRALIZATION Data collection: |Reaction |Initial Temperature/°C (±0.25) |Final Temperature of Mixture/°C (±0.25) | | |Acid |Base | | |HNO3 + NaOH |28.00 |28.25 |34.50 | |HNO3 + KOH |28.25 |28.25 |34.00
Premium Sodium hydroxide Thermodynamics Acid
Melting pointe determination #01 Introduction: Objective To learn how to obtain an accurate melting point using a MELTING POINT APPARATUS‚ then use them to draw eutectic curve and determine the eutectic point. Melting point of a solid is the temperature at which the solid and its liquid form are in equilibrium‚ i.e.‚ molecules move back and forth between the two states at the same rate‚ so both phases remain present. If the temperature of a solid is measured carefully as the solid is heated
Premium Melting point Temperature Liquid
Determination of an Equilibrium Constant Abstract: In this experiment‚ two reactions were run to determine the molar absorptivity and the equilibrium constant of FeSCN2+. The main principles used in this lab are equilibrium‚ LeChatlier’s Principle‚ Beer’s Law and Spectrocopy. The first reaction was run to completion using LeChatier’s Principle and the second reaction was run to equilibrium. A spectrophotometer was used to measure absorbances. Using a graph of absorbance versus concentration
Premium Chemical equilibrium Concentration
Lab 7: Determination of Water Hardness Using a Titrator Name: Kyndal Petrie Lab Partners: None Date of Experiment: July 19‚ 2013 Location: My house Course Number: Che112 Abstract: This experiment was to determine the hardness of the local water supply. I determined that from the 1mg of EDTA used to turn the mixture blue‚ that the water from my tap is moderately soft. Experiment and Observation: In this experiment I developed a familiarity with the concept
Premium Water Hard water Calcium
Determination of Energy Balancing In a fuel cell power vehicle: http://www.scribd.com/doc/49625260/39/Fuel-Cell-Energy-Balances Fuel Cell * What is fuel cell * Why we need fuel cell * History of fuell cells * Mathematical methods * Classification of fuel cells * Parts of a fuel cell * Fuel Cell Setup * Modeling of fuel cell * Fuel cell system design * Advantages and disadvantages of fuel cell * Future scope of fuel cell Energy Balance in Fuel Cells
Premium Fuel cell
The Determination of Keq for FeSCN2+ Joy Muthami February 12 2014 Introduction: The purpose of this lab was to calculate the equilibrium constant for the reaction of iron (III) ions with thiocyanate ions. The materials were first acquired then with the groups in the class each team was given a test solution to create and acquire information from then all the information was put together in order to save time. Specifically the group created test solutions #8‚ #9‚ and #10. Once the solutions were
Premium Chemical equilibrium Concentration
Checkpoint Patient Self-Determination Act In 1990‚ The Patient Self-Determination Act began. This Act would require that healthcare facilities inform patients about their right in case of an emergency situation. Also the patient would be informed about their rights to get advanced healthcare accommodations‚ and any related information that pertains to the legal impact and state laws regarding all healthcare decisions. Many of the healthcare facilities that exist today in America would
Premium Health care proxy Medical ethics Health care
Self determination means the right to determine ones own life. Client self determination in the context of modern day social work relates to the idea that we want our work to be anti oppressive and to empower our clients. It’s a theory that requires that we respect our client’s rights and dignity and we believe that nobody is more qualified to run their lives but them. The Australian Association of Social Workers Code of Ethics (AASW) outlines the role of the social worker and puts in place ethical
Premium
Many people will believe that ambitions are often achieved with the individual’s’ constant and continuous positive desire to achieve a goal‚ but it is truly the determination of one’s self towards a certain goal that allows them to achieve the success they intend. Through the inspirational story of Lance Armstrong‚ determination was significantly portrayed as the main motive that has driven him to overcome obstacles‚ both physically and mentally. With his previous achievement of overcoming an aggressive
Premium Leadership Hero Management