Solar‚ Hydrogen and Fuel Cell : Current & Future Wan Nadia Kamaruddin‚ Azman Zainal Abidin‚ Noorly Akmar Ramli Yuzlina Mohd Yusop‚ Siti Indati Mustapa Policy Analysis and Research Management Pusat Tenaga Malaysia Level 8‚ Bagunan Sapura @ MINES 7 Jalan Tasik‚ The Mines Resort City 43300 Seri Kembangan Selangor‚ Malaysia http://www.ptm.org.my Abstract In its quest to become a developed country by year 2020‚ Malaysia fully subscribes to the concept of sustainable development. The
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Hydrogen Fuel Cell Cars: Worth the Investment? Hydrogen is the most abundant element in the universe‚ but only recently have people been able to harness this resource and turn it into energy. Hydrogen fuel cell cars are one such advancement made in the effort to turn hydrogen gas into electricity. Fuel cells in the car are used to convert hydrogen into an electrical current‚ and thus power the vehicle. Fuel cells convert hydrogen and oxygen into water while producing electricity. Hydrogen fuel
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hydrochloric acid In the lab‚ zinc granules react fairly slowly with dilute hydrochloric acid‚ but much faster if the acid is concentrated. The catalytic decomposition of hydrogen peroxide Solid manganese(IV) oxide is often used as a catalyst in this reaction. Oxygen is given off much faster if the hydrogen peroxide is concentrated than if it is dilute. The reaction between sodium thiosulphate solution and hydrochloric acid This is a
Free Chemical reaction Chemical kinetics Reaction rate
Soda Ash Analysis and Volumetric Analysis of a Carbonate-Bicarbonate Mixture De Guzman‚ Danica Justine R. Department of Chemical Engineering‚ Faculty of Engineering University of Santo Tomas Espana‚ Manila Abstract Titration is a laboratory method in which the endpoint of a reaction is determined quantitatively. In this experiment‚ the amount of soda ash present in a sample was determined and the alkalinity reported as it was titrated using HCl as the titrant. Also‚ the percentage
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experiment teaches the students how to determine density‚ volume‚ and percentage errors. OBJECTIVE The objective of this experiment is to determine the order with respect to permanganate ion and to oxalic acid concentration for the reaction of potassium permanganate and oxalic acid solutions. Other goals include‚ writing a rate equation and determining the effect of increased temperature on the rate of this reaction. MATERIALS AND EQUIPMENT The materials required for this experiment include the
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Preparation of Potassium Chloride 10% (w/v) Oral Solution Questions: 1. One source of potassium chloride occurring in nature is carnallite. What is its chemical formula? What are the others sources of potassium chloride? KMgCl3• 6H2O Other sources: • Sylvite • Halite 2. What are the therapeutic uses of potassium chloride? -drug used to maintain or restore potassium levels in patients with potassium deficiency‚ which can cause such problems as thirst‚ fatigue‚ low blood
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foundduring a reaction‚ the oxidation number of an element increases that it becomes more positive thus the element is being oxidized. On the other hand‚ if the oxidation number of an element decreases‚ it means the element is being reduced. The changes in numbers are also used to balance the redox equations. The objective is to maintain the total number of electrons lost in the oxidation equivalent to the total number gained in the reduction. In the study of oxidation and reduction reactions‚ one
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Changes‚ Changes‚ and More Changes Hudson County Community College isn’t a perfect school‚ but there are a lot of things that they have room to improve on. I honestly don’t have many complaints about this school‚ I feel alright about it‚ I am not impressed but I am also not outraged by anything. Even though I don’t have many complaints about this school it doesn’t mean that I don’t feel that they have things that they should improve on. The biggest problem I have with this school is the service
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will be attainable. Hypothesis: In a reaction between calcium carbonate and hydrochloric acid‚ the products calcium chloride‚ carbon dioxide and water are formed. I predict that the higher temperature of HCl acid‚ the higher the reaction rate will be‚ this is because at a higher temperature there will more fast-moving hydrochloric acid molecules per set volume. This means that there will be a higher chance of the calcium carbonate molecules colliding with the hydrochloric acid and reacting‚ with
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correlation between volume of oxygen and the increase of hydrogen peroxide; as the amount of substrate increases‚ the more oxygen is produced from the enzymatic reaction of hydrogen peroxide. For example‚ when five drops of hydrogen peroxide was added‚ it can be seen that 16.2mL of oxygen collected in the gas syringe‚ whilst when 15 drops were added‚ 96.4mL of oxygen was indicated‚ strongly supporting the original hypothesis‚ which was that as more hydrogen peroxide was added to the yeast‚ the higher the
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