and an equation can be written for each possible reaction Equation 1: 2CuCO3 (s) Cu2O (s) + 2CO2 (g) + O2 (g) Equation 2: CuCO3 (s) CuO (s) + CO2 (g) The aim of this experiment is to prove which equation is correct. This can be done by volumetric analysis i.e. calculating the volume of gas produced. This is then compared to the calculated volume of gas produced in each equation and the equation with the nearest volume of gas is correct. This is a thermal decomposition reaction and when an element
Introduction/purpose: The purpose of this lab was to find the concentration and mass volume percent of acetic acid in different brands of vinegar solution. In order to find the concentration and mass volume percent of acetic acid we performed a volumetric analysis. This means that the vinegar solution was neutralized by adding a base solution. To view this neutralization process phenolphthalein indicator was added. Phenolphthalein indicator will turn slightly pink when the solution is neutralized. Materials:
Cerrato Lab 1. Volumetric Glassware Calibration Introduction: This experiment is designed to educate proper techniques for using an analytical balance and volumetric apparatus’s. Accuracy in volume measurements are significant in analytical chemistry but all volumetric glassware have errors and obscurities linked with the measurements observed. Miniscule damage in a glassware due to aging, abuse and chemicals can create systematic errors in the observational measurements. Volumetric pipets and burets
Volumetric Analysis Practical To determine the pH of commercially supplied 32% Hydrochloric acid solution. Investigative question Can the pH of an acid which is Hydrochloric acid be calculated by using titration with a standardized base solution of Sodium Hydroxide? Hypothesis That the pH of the hydrochloric acid solution can be calculated using titration with a standardised sodium hydroxide base solution as long as concentration and temperature of base solution remain constant. Variables
determined based on the stoichiometric reaction between sodium hydroxide (NaOH) and acetic acid that form sodium acetate (CH3COONa) and water (H2O) as follow. CH3COOH (aq) + NaOH (aq) CH3COONa (aq) + H2O (l) However, the method of volumetric analysis is highly dependent on a pure standard which the amount of substance present is accurately known. Prior to estimation of the acetic acid, sodium hydroxide (NaOH) was used as the standard solution. Thus, the concentration of the sodium hydroxide
Volumetric Analysis and Accuracy Introduction: The purpose of this lab in to increase awareness of accuracy of the equipment that you are using in the laboratory as well as systematic and random errors. Through the titration of hydrochloric acid with standard anhydrous sodium carbonate the accuracy of the equipment was tested to discover the difference in concentration over the five trials conducted. Method: The method that was given in the Chemistry 306 Laboratory was followed from page 14 –
Discussion Comparing the values from Table 1 and Table 2, it is evident that the pennies that were issued before 1982 have more mass than the pennies issued after 1982. This is because the values from Table 1 are all around 3 grams while the average masses of the post-1982 pennies are all around 2.5 grams. This is also evident on the comparison of Figures 1 and 2. It is also evident in Table 3 and Table 4 that in general, the average volume of pennies issued before 1982 were slightly higher than
modeled as a packed bed of particles. As such, the Carmen-Kozeny relation for laminar flow in a packed bed of particles holds.[4] That is, pc k1 v 1 S0 2 2 (1)[4] 3 L w... ... middle of paper ... ...terial.[3] Error Analysis The uncertainty associated with the measurements made in the lab can be determined by making multiple measurements. For a measurement repeated n times, the average is defined as n X i (22) X i1 n where the Xi’s are the experimental
drives ultrafiltration from a mathematical point of view. In Figure 1, the feed solution is being driven by a volumetric flow rate (qi/Ni), pressure (∆Pi), and concentration (Ci). This feed solution produces a mass balance which results in the flux (J) vs fiber (dz): (Yeh, 2009) The momentum balance must be accounted for also: (Yeh, 2009) It can be presumed that the volumetric flow rate will be reduced similarly to the Hagen–Poiseuille equation, due to the laminar flow within the tube in
Distillation Abstract This report outlines the steps taken to separate a 50:50 by volume ethanol and isopropanol side stream. The resulting separation must contain no more than 3% alcohol impurity in each product. A laboratory column, run at total reflux, was utilized to scale up to a forty foot high by one foot diameter column. The laboratory column allowed the team to determine vapor velocities and HETP values for the 0.24 inch Pro-Pakq packing. HETP is defined as the height of packing divided
The impact of marketing environment on Center Parcs UK can be described through PESTLE analysis and SWOT analysis. PESTLE analysis indicates some important external factors that are- political factors, economic factors, social factors, technological factors, legal factors, environmental factors. Political Factors: Global free trade policy and Political stability in the developed countries facilitates Center Parcs UK. But if there is any political instability in the developed countries, Center Parcs
Support communications? Why or why not? Advantages and disadvantages are an equal part of Expert Systems and ROI analyses; however, each is based on circumstances based on each unique case. One main shortcoming of the ROI analysis is the strong base on statistical analysis which may fail to recognize certain areas of opportunity not explored. Previously stated, the Expert System was used to interact directly with a broad range of students and exceeded its original purpose by providing more marketing
3.2 Market and Competition Analysis 3.2.1 PESTEL The PESTEL framework was chosen to analyze the organization’s macro environment and to identify how future issues, such as political, economic, social, technological, environmental and legal factors might affect the organization. Hereby, it is important to mention that not all factors have been considered, as they lack relevance for the analysis of the Church of Scientology International. Political The political environment in several countries does
enables organisations to make effectives plans and decisions in terms of business growth and development in the future. The PESTLE framework helps to determine factors such as whether or not the political state of the country is affecting the industry, if there are any economic issues, new technological innovations, current legislations and environment concerns within the industry. The macro-environment of an organisation consist of all of these factors and these can have various long-term effects
Liverpool street till Aldgate. The goal/objective of the business is to satisfy the customer pain by offering them a new kind of tea while “gambling” in a short time and cheap price. Based on our survey … got the highest percentage of%. The Pest analysis spotlights the issues that Brexit can have on importing raw material from Taiwan, besides the laws and regulation that need to be followed. This business can be examined under Monopoly competition because it will be the first in the area,
The Lunch Date, directed by Adam Davidson, and The Man Without a Head (L'homme sans tête), directed by Juan Diego Solanas, are two short films which demonstrate, to a certain extent, that social commentary not only criticises society, but provides insight into a composer’s point of view on social concerns. The main social concerns explored in The Lunch Date and The Man Without a Head are prejudice by society against the homeless and identity, respectively, which are supported by various techniques
strategic job analysis should be conducted efficiently. Singh (2008) described job analysis as the work of re-defining job to include work done by, or the role of a single individual, as well as teams interchangeably termed over work-analysis and role-analysis. The need to implement a strategic job analysis is imperative since to most job analysts they usually took a large amount of time to prepare one (Schneider & Konz ,1989; Dierdorff & Wilson, 2003). Furthermore, a strategic job analysis is necessary
Our group chose Sears as our company to research why they have not been performing well in the past few years. Throughout this paper we will discuss both the internal and external environments of the company, threat of substitutes, why the firm is underperforming, actions the firm has taken to improve their business, and recommendations for improvement. First, we will analyze the external environment for Sears through the PESTEL framework and threats of substitutes. The PESTEL framework is a tool
Table of Contents Experiment : 2 Objective : 2 Procedure : 2 Observations: 2 A. Ca2+ stock and substock Preparation: 2 B. Aliquot method : Ca2+ external calibration solution 3 D. Aliquot versus serial dilution method 9 Discussion 11 References : 11 List of Tables and figures: Table 1 Data for Aliquot method 2 Table 2 Data for Serial dilution method 2 Table 3 Concentration Data for Aliquot method 4 Table 4 Experimental andf actual concentration for aliquot method 4 Table 5 Concentration data for
2. Industry analysis: PESTLE analysis 2.1 Political Factors As a hard landscaping manufacturer, the corporation should consider recent policy requiring a certain percentage of electricity to come from renewable sources. These changes in policies require corporations to abide by rules such as UK Government’s Carbon Reduction Commitment Energy Efficiency Scheme (CRC) and Energy Saving Opportunity Scheme (ESOS) (Refrence). 2.2 Economic Factors Marshalls relies on the level of activity in the UK and