Prepare a table. 3. Calculate the number of grams of Na2CO3 to weigh out from the number of moles in step 2. Prepare a table. 4. Calculate the number of grams of CaCO3 that are expected to be produced. This is your theoretical yield. Have Factor (molecular mass) Factor (mole ratio)
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Honors Chemistry Name: _____________________ Study Guide – Unit 8: Stoichiometry Vocabulary – Give definitions and examples where applicable 1. Product 2. Reactant / Reagent 3. Theoretical Yield 4. Actual Yield 5. Percent Yield 6. Excess Reagent 7. Limiting Reagent 8. Law of Conservation of Matter Short Answer – explain the following: 9. What is conserved in every balanced equation (multiple answers)? 10. What determines the mole ratio in a balanced equation? 11. What is the proper method
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is to convert carbonyl compounds to alkenes using Wittig reaction. In this case we will be synthesizing Trans-9-(2-phenylethenyl) anthracene from benzyltriphenylphosphonium chloride and 9-anthraldehyde. We will also aim to obtaining a high percent yield and purity for the synthesis of Trans-9-(2-phenylethenyl) anthracene. The mechanism for this reaction goes thus: Experimental: Benzyltriphenylphosphonium chloride (0.201g) and 9-anthraldehyde (0.116g) were weighed and
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PATIENT & FAMILY BACKGROUND The patient‚ Garret was an 18 year old male. Garrett was a fit wrestler with no known previous medical conditions or genetic disorders. PATIENT’S CHIEF COMPLAINT Garrett had been feeling more tired than usual for a month. He presented with a minor headache and cough. He had a tingling sensation in his hands‚ and both feet had been falling asleep. He was feeling weak‚ causing him to fall while walking. Upon admittance to the hospital‚ doctors discovered Garret’s arm
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1. Can Lato (Caulerpa lentillifera) be used as fertilizer to plants? 2. Compared to usual fertilizers‚ will sugar help yield lato fertilizers a better result to growing of plants? 3. Can Lato seaweed and sugar complement with each other in making a crop-yielding fertilizer? Null Hypothesis 1. Lato can be used as a fertilizer to plants. 2. Sugar can help yield lato fertilizers a better result to growing of plants. 3. Lato and sugar complement with each other in making a crop-yielding
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Introduction: The purpose of the first experiment was to practice obtaining accurate and precise results by doing combustion analysis to find the amount of carbon dioxide and water released and the amount of fuel consumed. To identify the amount of carbon dioxide‚ water and burner consumed there were three equations used to find it. Equation 1 shows how much carbon dioxide was released. Mass of carbon dioxide = m2 - m1 Equation 1 was used as an experimental procedure created to help find out
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! OCTOBER 2014 Michael Maranslicht ! | Corn | Analyzing the Corn Market ! • I examines key determinants and finds that current data may present an opportunity to buy corn in the fourth quarter of 2014. ! Contents ! ! ! ! ! ! ! • • • • • • • Page 2 - Long term harmonic corn cycles and structural analysis Page 3 - Short term harmonic cycles and structural analysis Page 4 - Seasonality cycles Page 5 - Weather cycles Page 6 - Gold & corn correlation Page 7 - U.S dollar cycles Page 8 - Conclusion
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1. You have a cash obligation of $132‚240 to be made at the end of year 5. Show how you can use coupon bonds with a coupon rate of 8%‚ a face value of $1‚000‚ a maturity date at the end of year 6‚ and a yield to maturity of 8% to ensure that you can meet your cash obligation at the end of year 5. Suppose that you purchase the bonds at the beginning of year 1 and that the market interest rate changes only once right after you have purchased the bonds. There are three possible interest rates‚ 7.9%
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Stoichiometric Analysis Formal Lab Report I. Purpose- The purpose of this lab is to show stoiciometric reactions and relationships first hand. It also increases our level of understanding about the complicated relationships in chemical reactions and in stoichiometry. II. Introduction- In chemical reactions and formulas there are various relationships between masses of reactants and products. The study of these relationships is called stoichiometry which is derived from the Greek words stoichein
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Midterm Review Assessment Part 1 of 8 - 4.0/ 4.0 Points Question 1 of 22 2.0/ 2.0 Points Which of the following is true about a good hypothesis? A.It is testable B.It is repeatable C.It is falsifiable D.All of these are good traits for a hypothesis. Answer Key: D Feedback: Good. A good hypothesis is always able to proven wrong with subsequent experimentation. Question 2 of 22 2.0/ 2.0 Points The atomic theory is attributed to which of the following scientists? A.John Dalton
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