Stoichiometry II- Synthesis of a Coordination Compound Report 〖CuSO〗_4 (s)→〖Cu〗^(2+) (aq)+ SO_4 (aq)^(2-) Cu^(2+) (aq)+ 4NH_3 (aq)→[Cu(NH_3 )_4 ]^(2+) [Cu(NH_3 )_4 ]^(2+)+ SO_4 (aq)^(2-)+H_2 O□(→┴(methanol solvent) ) [Cu(NH_3 )_4 ]SO_4*H_2 O 1.992 g 〖CuSO〗_4 (s) × (1 mol〖 CuSO〗_4 )/(159.6 g) = .0124 mol 〖CuSO〗_4 (s) .0124 mol 〖CuSO〗_4 (s)×(1 mol [Cu(NH_3 )_4 ]SO_4*H_2 O )/(1 mol〖 CuSO〗_4 )×(245.74 g [Cu(NH_3 )_4 ]SO_4*H_2 O )/(1 mol [Cu(NH_3 )_4 ]SO_4*H_2 O )=3.047 g [Cu(NH_3 )_4 ]SO_4*H_2
Premium Solubility Blue Solvent
Abstract An experiment was conducted to determine the effect of the allelopathic compounds of Encelia Farinosa (brittle bush) on desert native annuals and non-native seed germination. The experiment was set up by putting native wild flower seeds in six Petri dishes and lettuce seeds in six different dishes. To three of each dish containing the different seeds‚ water was added as a control. To the three other dishes‚ a prepared brittle bush tea (filtered ground brittle bush leaves and water) was
Premium Seed Null hypothesis Plant morphology
I believe that Walmart brand paper towels are just as absorbent as Bounty brand paper towels. All paper towels are made from paper pulp that is woven to create a large sheet. Because all paper towels are made from the same material I believe that the Walmart brand will absorb just as much liquid as the other brands. I will prove my hypothesis through a scientific experiment comparing three brands of paper towels. I chose three brands with three very different price points. Am I paying more money
Premium
In the book The Compound by S.A. Bodeen‚ there are multiple themes being portrayed by the book. One of the main themes in the book is even if you think you may know someone‚ you may not. Throughout the book‚ many parts of the book show this‚ and talk about trust. Many elements of the book also play off of how well people know each other. The family all trust the father about why they are going into the compound‚ that there’s enough food and supplies‚ everyone is truthful‚ fine in their well being
Premium Mother Father Mind
Experiment Report Title: Water Conductivity Level in Goa Gajah Research Question: How high is the water conductivity level of the water sources in Goa Gajah? Hypothesis: I predict the level of electrical conductivity of the water sources in Goa Gajah will be between the range of a normal drinking water‚ which is 0.0005 to 0.005 s/m. This hypothesis is based on the fact that conductivity largely concerns itself with the amount of salt in the water‚ and since none of the water sources are
Premium Water Body of water Electrical conductivity
1 English 1013 10/18/10 In nineteen sixty-three‚ Stanley Milgram conducted an experiment on obedience to authority figures. It was a series of social psychology experiments which measured the willingness of the study participants to obey an authority figure who instructed them to perform acts that conflicted with their personal conscience and confronted them with emotional distress. The experiment resulted in twenty-six out of forty of the participants administering the final massive
Free Milgram experiment Stanford prison experiment Social psychology
Environmental Science The Scientific Method Amber Steadham October 31‚ 2012 Abstract: We conducted several experiments using the Scientific Method. We made observations‚ recorded them and used our observations to propose a hypothesis. The experiments included chemical and physical reactions dealing with torn news paper‚ appearance of rock salt crystals‚ the appearance of sand‚ oil and water on plastic‚ and making iodine in water and mineral oil. We found that all these included four physical
Premium Chemistry Scientific method Chemical reaction
Personal Care period 4 Michelle Manobanda 2012 The FDA permits the use of mercury compounds in eye makeup at concentrations up to 65 parts per million. The preservative thimerosol‚ found in some mascaras‚ is a mercury-containing product. Mercury is associated with a host of health concerns including allergic reactions‚ skin irritation‚ toxicity‚ neurological damage‚ bioacculumation‚ and environmental damage. Mercury readily passes into the body through the skin‚ so normal use of the product
Premium Cosmetics Skin Mercury
Experiment 7 General Safety Considerations 1. 1-Butanol and 1-bromobutane are toxic and irritating. Avoid all contact by constantly wearing goggles‚ gloves and working in the hood. Neither of these compounds can be poured down the drain. Like all products‚ 1-bromobutane should be turned in to your TA in a labeled vial. Any excess butanol should be discarded in non-halogenated waste. 2. H2SO4 is extremely corrosive. In very diluted form it can be poured down the drain‚ all other precautions
Premium Distillation Water Chemical reaction
Physical properties of organic compound Low boiling point group: alkane‚ alkene‚ alkyne and ether Boiling point is the exact temperature that the state of compound change from liquid to gas‚ which need to break the intermolecular forces. The stronger the intermolecular forces‚ the higher the boiling point. Since straight chain alkane‚ alkene and alkyne only experience dispersion forces‚ the compound with more carbons have higher boiling point as more carbons contribute more forces. Branched
Premium Oxygen Functional group Alcohol