STUDENT ID : NO OF EXPERIMENT : TITLE OF EXPERIMENT : PREPARATION OF BIS(ACETYLACETONATO)COPPER(II) DATE OF EXPERIMENT : PRACTICAL GROUP : LECTURER : Objective: To synthesize the bis(acetylacetonato) copper(II) To identify the nature of ligand. Introduction: Bis(acetylacetonato) copper(II) is a complex ion with copper ion in the centre surrounded by other molecules or ions weakly or more strongly bonded to it. The surrounded
Premium Ammonia Ion
Evolution Is Just A Theory One of the main things that would be studied in biology is evolution. Although most people think that evolution is true and us humans have evolved from our formal ancestors. For the past year mankind has been thinking of one thing‚ which was evolution. The definition of mechanism is how evolution occurs over time. Evolution has been shown over the past billion years and humans have studied the creatures that have physically changed their bodies. The definition of evolution
Premium Evolution Charles Darwin Natural selection
Percentage of Copper in a Brass Alloy Assignment: G620 Sample Assignment C Date Set: Due Date: Assessment Objective(s): AO3 Vocational Brief: Brass is an alloy of copper and zinc. This alloy has many uses ranging from coinage to non-ferrous fittings on ships. Many domestic taps use brass where contact with water occurs. You are provided with a sample of brass which is about 150 years old and you are asked to quantitatively analyse it‚ using colorimetry‚ to find the percentage of copper present
Premium Aluminium Chemistry Chemical element
Knowing Your Audience BComm/275 Dr. Don By: Karita Anderson August 26‚ 2013 Chilean Copper Mine When giving information to a group of people you should first know your audience‚ or intended target. If the information used is regarding a disaster‚ or something that involves someone getting hurt‚ it is extremely important to make sure that the company knows there audience and who will be receiving the information. According to Cheesebro‚ O’Conner‚ and Rios‚ “the key to effective communication
Premium Communication Management Nonviolent Communication
Reactions of Copper Data: Part I: Preparing a solution of copper (II) nitrate Initial mass of copper wire: .520g Mass of copper wire after vigorously scouring: .518g Observations of Copper (II) ribbon mixed with HNO3: Solution turned green. Thick brown gas formed. Copper (II) bubbled vigorously. Cu (II) dissolved‚ solution appeared green/blue. After the addition of H2O a blue crusty precipitate formed. Part II: Synthesis of solid copper (II) hydroxide Observations of Copper (II) nitrate
Premium Copper Sulfuric acid Zinc
Online Reservation with Billing System For Mekeni’s catering SURVEY QUESTIONNAIRE FOR ONLINE RESERVATION WITH BILLING SYSTEM Dear Respondent‚ The purpose of this survey is to determine the level of efficiency of the newly developed system which is Online Reservation with Billing System. Any information obtained in the conduct of this survey will remain with strict confidentiality. Name: _______________________ Date: _________________________ Address: ________________________________________________________________
Premium Questionnaire Average Christopher Nolan
HINDUSTAN COPPER LIMITED (A Government of India Enterprise) AUDITORS M/s. Ray & Company‚ Kolkata M/s. Agrawal Anil & Company‚ New Delhi CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Board of Directors Notice for Annual General Meeting Directors’ Report Comment of the Comptroller & Auditor General of India Ten Years at a Glance Auditors’ Report Balance Sheet Profit & Loss Account Cash Flow Statement Schedule to Accounts Accounting Policies Notes on Accounts Balance Sheet Abstract and
Premium Board of directors
Affecting the Copper Mining Industry As is demonstrated by the chart below‚ the demand for copper has exceeded the supply brought to market since 2009. In 2011‚ 16.5 million tonnes of copper were produced worldwide and this amount is expected to grow by approximately 3% annually. Data from the International Copper Study Group (ICSG) for 2012 suggests that international demand for refined copper is expected to exceed production by about 240‚000 metric tons. The slow growth forecasted in copper supply is
Premium Mining Iron Mineral
In order to find the formula of the copper chloride hydrate‚ we had to separate the compound to find the mass of water and copper. To begin this process‚ we evaporated the water and created an anhydrous compound‚ meaning we were left with only CuxCly. By calculating the weight of both the anhydrous and the hydrated compounds‚ we could conclude that the difference in the weights was the weight of the H2O. From this we were able to calculate the percent composition of CuxCly and H2O (see Calculations:
Premium Chemistry Water Molecule
Copper to Silver to Gold—A Comparison of Physical and Chemical Changes (Adapted from Abra-Ka-Dabra by C. M. Bires.) Introduction Hundreds of years ago‚ noblemen and women would pay large sums of money to alchemists. These early chemists were similar to modern-day illusionists in that they used a little science‚ a few tricks‚ and some acting to convince their clients that they had the ability to transform base metals into pure gold. Although these alchemists were eventually revealed as charlatans
Premium Alchemy Chemical element Chemistry