The goal for this experiment is to determine which out of the four balanced chemical equations best represent the thermal decomposition of sodium bicarbonate. The guiding question will be answered with the outcome of the sodium bicarbonates thermal decomposition and it being plugged in into the four balanced chemical equations. John Dalton atomic theory explains two fundamental laws of chemistry which are the law of conservation of mass and the law of definite proportions. The atomic theory states
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Title +1 Purpose +1 Procedure +2 Data Table +4x Balanced Chemical Equation +2 Calculations Calculate R for each trial and then average. +5 Calculate % error +2 Type and Answer Discussion Questions +8 Additional Questions for Calculating the R Lab 1. One mole of hydrogen gas has a mass of 2.02 g. Use your value of molar volume to calculate the mass of one Liter of hydrogen gas at STP. The density is in g/L. Compare your value to a literature value? (Consult a hand book or
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Yield of CuCl2.2DMSO Formula weight (Mr) of CuCl2 = 63.55 + (35.45 x 2) =134.45g/mol Formula weight of product CuCl2.2DMSO = 134.45 + 2[16 + 32.06 + (12.01 x 2) + (1.0079 x 6)] = 290.704g/mol Mass of CuCl2= 0.850g Equation for reaction CuCl2 + 2DMSO -> CuCl22DMSO Mole ratio between CuCl2 and CuCl22DMSO = 1:1 Mole of CuCl2 = Mass/ Mr = 0.850/134.45 = 0.00632 moles Since the ratio between CuCl2 and CuCl22DMSO = 1:1‚ mole of CuCl2DMSO is also 0.0063 moles. To find theoretical yield of CuCl2
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these problems require a balanced chemical equation. 1. Carbon monoxide reacts with oxygen to produce carbon dioxide. If 1.0 L of carbon monoxide reacts with oxygen at STP‚ a. how many liters of oxygen are required to react? b. How many liters of carbon dioxide are produced? 2. Acetylene gas (C 2H2) undergoes combustion to produce carbon dioxide and water vapor. a. How many liters of C 2H2 are required to produce 75.0 L of CO2? b. What volume of H2O is produced? c. What volume of O2 is required?
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What is the DuPont equation‚ and how does it capture the nature of expense control‚ efficiency of asset management‚ and financial leverage (or debt) of a firm? If you were the CFO of your firm (or a hypothetical firm)‚ what variable would you concentrate your efforts on and why? The DuPont equation is a method of measurement that was started by the DuPont Corporation in the 1920s. In this method of measurement the assets are measured at their gross book value rather than at their net book value which
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In this lab‚ theoretical chemical equations of ionic compounds were balanced by the group to determine ratios of reactants and products. The products were determined by the group through switching the cation with their anion partner. Using this information‚ it was determined by the group‚ whether the reaction should result in a solid‚ gas‚ or water based on theoretical solubility. Then several experiments testing the reaction of these ionic compounds were performed by the partners. Two ionic compounds
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Heat Equation from Partial Differential Equations An Introduction (Strauss) These notes were written based on a number of courses I taught over the years in the U.S.‚ Greece and the U.K. They form the core material for an undergraduate course on Markov chains in discrete time. There are‚ of course‚ dozens of good books on the topic. The only new thing here is that I give emphasis to probabilistic methods as soon as possible. Also‚ I introduce stationarity before even talking about state classification
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suggested by the data collected in the lab. Complete a lab report using the scientific method. When your lab report is complete‚ post it in Submitted Assignment files. Part 1: Using the lab animation‚ fill in the following data tables to help you generate your hypothesis‚ outcomes‚ and analysis: Table 1: Maize Yield From Arable Soil Amount of Mineral Nitrogen Fertilization (kg per 100 acres) Yield of Maize (mg of dry mass per 100 acres per year) in Arable Soil 0 8 20 10.7 40 13 60 15
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To establish a balanced assessment for your classroom you must align your curriculum and pacing through your professional learning community to be sure the focus will be on learning. In doing this I must provide clear instructions and targets to motivate students in a way that we are working together to improve learning. This is by compiling a variety of assessments and using the data‚ from these assessments‚ to continue to guide planning and instruction for differentiation and flexibility in our
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Alumina Yield in the Bayer Process; Past‚ Present and Prospects Edited by TMS (The Minerals‚ Metals & Materials Society)‚ 2007 ALUMINA YIELD IN THE BAYER PROCESS PAST‚ PRESENT AND PROSPECTS Roelof Den Hond1‚ Iwan Hiralal2‚ Ab Rijkeboer3 Alcor Technology‚ Clinckenburgh 10‚ 2343 JH Oegstgeest‚ The Netherlands 2 Hiracon‚ Prinses Irenelaan 2‚ 2273 DD Voorburg‚ The Netherlands 3 Rinalco‚ Helmlaan 16‚ 2244 AZ Wassenaar‚ The Netherlands 1 Keywords: hydrate‚ alumina‚ yield‚ liquor productivity
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