experiment‚ we were trying to see whether copper‚ after a chain of chemical reactions‚ will revert back to its elemental form. Procedure: First‚ I added nitric acid with copper in a beaker‚ which turned into a copper nitrate‚ a blue-green solution. Afterwards‚ I added sodium hydroxide‚ and my solution colored to a dark blue solution called copper hydroxide. I heated the solution to evaporate the water and I got a brownish-blackish solid called copper oxide. Once the solid appeared‚ I poured
Premium Chemistry Sulfuric acid Copper
AT A GLANCE HINDUSTAN COPPER LIMITED KHETRI COPPER COMPLEX KHETRINAGAR KHETRI COPPER MINE Mine Started: - Oct. 1964 1- Ore Body (a) Strike Length 4.80 Km (b) Average Width 10 metres (c) Average Dip 65 deg. (d) Average Grade 1.37 % 2- Ore reserves of Khetri Mine Reserve of Khetri Block : 34.11 Million Tons‚ Grade1.13% Reserve of Banwas Block : 25.39 Million Tons‚ grade 1.69%
Premium Schist Mineral Drilling rig
Spectrophotometric Determination of Copper in Brass Your Name Here Partners: his/her name here Chemistry 1290-xxx Date Report is Due TA: TA’s name here Purpose: The primary purpose of this experiment was …… Another purpose of this experiment was …… Learning about this type of analysis was important in an everyday context because ... Safety Information: During this lab nitric acid will be used as an oxidizing agent and (NO2) nitrogen dioxide will form. This gas is extremely toxic‚ and should
Premium Chemistry Chemical reaction Copper
memo. When human suffering is involved the method of communication must be in keeping with the importance of the situation. A face to face meeting is also warranted when delivering the news to the families of the men who were trapped. In the case of the employees‚ the best method is to go to the location of the mine and have a face to face with all employees. In regards ( the family name) families‚ it would be best to provide transportation for all of the families to a location available
Premium Communication Nonviolent Communication English-language films
Chilean Copper Mine BCOM/275 Resource: ―Over 30 Workers Trapped After Chilean Copper Mine Collapse‖ article found in the Electronic Reserve Readings. Research additional articles and information about the Chilean mine collapse. Write a 700- to 1‚050-word paper using this and other articles as a resource. Because communications must be designed with the audience in mind‚ answer the following questions: What are some considerations to remember given the different roles and people in the audience
Premium Rhetoric Chile Mining
Copper Sulphate Calibration Aim The objective of this experiment is to determine the unknown concentrations of solutions. Introduction With the use of absorption of light a spectrophotometer sends UV wavelengths through solutions to determine their concentrations. The light absorbed is measured as the atoms‚ molecules and ions absorb the wavelengths of light that the spectrophotometer gives off (Meah‚2013). The level of light transmitted defines the amount of light absorbed‚ for instance‚ the lower
Premium Electromagnetic radiation Concentration Chemistry
Determining the Percentage of Copper in a Copper Ore Aim: To determine the percentage of copper present in malachite. Hypothesis: That the percentage of copper in the malachite will be four percent. Materials: 2 x 250mL beaker‚ pestle‚ malachite‚ sulfuric acid‚ water‚ 2 x filter paper‚ funnel‚ filter stand‚ Safety Precautions: Wear safety glasses at all times when dealing with chemicals and apron to avoid ruining clothes. Method: Record the mass of the malachite sample. Place the malachite
Premium Copper Sulfuric acid Filter paper
In the novel Copper Sun the viewpoints were taken from a 15-year-old slave girl named Amari‚ and a 17-year-old indentured servant Polly‚ Copper Sun is a story of the struggles in the face of human beings during slave times and a hope for freedom against all odds and circumstances. In the novel the AOI that it is portrayed is the area of Health and social education. I chose this AOI because both Amari and Polly had to adapt to their new surroundings and they also had to learn the routes around the
Premium Slavery Slavery in the United States Black people
and nothing more. At night if you were female you got raped often. If you were a male you worked in the rice fields‚ with the alligators and the snakes and if you ever disobeyed or did something incorrect you were wiped and beaten. In the book the copper sun Amari the female protagonist‚ goes through these hardships and has to find some reason to live and fight for her freedom. Amari shows traits of perseverance‚ bravery and strength. But still through all of these things she fights to be free.
Premium United States Africa Slavery
Running head: Savor Case Study 1 Savor Case Study Running head: Savor Case Study 2 Case Recap The company has admitted that a problem is expanding without sacrificing business
Premium Marketing Management Marketing plan