TECHNICAL PAPER A Practical Equation for Elastic Modulus of Concrete by Takafumi Noguchi‚ Fuminori Tomosawa‚ Kamran M. Nemati‚ Bernardino M. Chiaia‚ and Alessandro P. Fantilli Many empirical equations for predicting the modulus of elasticity as a function of compressive strength can be found in the current literature. They are obtained from experiments performed on a restricted number of concrete specimens subjected to uniaxial compression. Thus‚ the existing equations cannot cover the entire experimental
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This experiment was performed to demonstrate a cycle of chemical reactions involving copper. This lab will start with copper as a reactant in the first reaction through a series of five chemical forms of aqueous phase reactions and ending to calculate the percentage of recovered solid copper as a product in the last reaction of the experiment. The experiment resulted in a percent recovery from the cycle of copper reactions of an increase to 139%. . Introduction: The purpose of this experiment is
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A Chemical change is any change that results in the formation of a new chemical substance. It is something that everyone learns about in school‚ but never really tries to see it in the real world. We all know the basic examples; baking a cake‚ burning wood… etc. What about the examples that are happening around us. For example‚ the Statue of Liberty has been through a chemical change. It was first a dull brown color‚ and now it is a green color. That happened due to a chemical change. During the
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Case 1: Chemical Bank: Implementing the Balanced Scorecard see page 233-252 Questions for the case: 1. What does Mike Hegarty want to accomplish with the BSC ? 2. Comment on the BSC implementation at Chemical’s Retail Bank ? 3. What pitfalls need to be avoided for a successful BSC project? Balanced Scorecard Implementation Pitfalls to Avoid There are many Balanced Scorecard implementations where companies don ’t seem to get all the benefits described above. Research and experience have
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Chemistry Summary The particle theory: 1. Matter is made of tiny particles 2. Particles of matter are in constant motion 3. Particles of matter are held together by very strong electric forces 4. There are empty spaces between the particles of matter that are very large compared to the particles themselves. 5. Each substance has unique particles that are different from the particles of other substances 6. Temperature affects the speed of the particles. The
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ZYCHOL CHEMICAL CORPORATION: ------------------------------------------------- Bob Richard‚ the production manager of Zychol Chemicals‚ in Houston‚ Texas‚ is preparing his quarterly report‚ which is to include a productivity analysis for his department. One of the inputs is production data prepared by Sharoaton Walford‚ his operation analyst. The report which she gave him this morning showed the following; ------------------------------------------------- ZYCHOL CHEMICAL CORPORATION -------------------------------------------------
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Physical and Chemical Changes Say you are presented with two beakers‚ beaker A and beaker B‚ each containing a white‚ powdery compound. * a. From your initial observations‚ you suspect that the two beakers contain the same compound. Describe‚ in general terms‚ some experiments in a laboratory that you could do to help prove or disprove that the beakers contain the same compound. You may try some of the followings: * Dissolving in water * Dissolving in different chemical solution
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Chemical Reactions Lab Report Introduction: Chemical reactions is a process that involves rearrangement of the molecular or ionic structure of a substance. There are different types of reaction such synthesis‚ decomposition‚ single replacement‚ double replacement‚ and combustion. Synthesis is where two or more reactants combine to create a product. For Decomposition‚ it is the opposite where a product breaks down into reactants. In Single Replacement‚ reactants switches an element with another element
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| 1. For Part 2: Single-Displacement Reactions: For each of the four single-displacement reactions‚ describe what happened in each well. If a chemical reaction occurred‚ write a balanced equation for it. Then using the A‚ B symbols‚ write a general equation for a single-displacement reaction. Here are the chemical formulas of the reactants for each reaction: • zinc – Zn copper sulfate – CuSO4 • aluminum – Al copper sulfate – CuSO4 • zinc
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Chemical Banks – Allocation of Profits Question 1. How will you resolve the due bill controversy? Due Bill Controversy: Metro Division’s service to sell the Due Bill for the Treasury division is not recognized by the Treasury department. While Metro acted like a cost center‚ Treasury acted as profit center. When Metro Bank division reviewed the profit loss statement for the Due Bills‚ it was found that Metro division was incurring loss of $26.50 for each transaction. Consequences of Due
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