the gas (hydrogen) produced and analyse the results. Prediction: I predict the higher the molarity of the hydrochloric acid the faster the rate of reaction therefore the quicker the gas will be produced in the specific time interval. Overview of the experiment: In this reaction two substances will be present in the solution‚ magnesium and hydrochloric acid. During the reaction magnesium particles will collide with the hydrochloric acid particles to produce the salt Mg chloride and hydrogen
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Substances that neutralize acids are called alkalis. An acid is a substance that forms hydrogen ions (H+ ) when placed in water. It can also be described as a proton donor as it provides H+ ions. An example of an acid is hydrochloric acid (HCl)‚ Sulphuric acid (H2SO4) etc. An alkali is a soluble base and forms hydroxyl ions (OH-) when placed in water. It can be called a proton acceptor and will accept hydrogen ions to form H2O. An example of an alkali is Sodium Hydroxide (NaOH). Neutralization
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CaCO3(s) → CaO(s) + CO2(g) 2. Most metallic hydroxides‚ when heated‚ decompose into metallic oxides and water. EX. Ca(OH)2(s) → CaO(s) + H2O(g) 3. Metallic chlorates‚ when heated‚ decompose into metallic chlorides and oxygen. EX. 2KClO3(s) → 2KCl(s) + 3O2(g) 4. Some acids‚ when heated‚ decompose into nonmetallic oxides and
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There are eight types of chemical reactions. These eight reactions are Decomposition‚ Composition‚ Acid/Base‚ Synthesis‚ Single-Replacement‚ Double-Replacement‚ Precipitation‚ and Redox. Though these eight could be referred to as the same due to them being chemical reactions. They are actually very different. An example of this difference is Decomposition and Synthesis. Decomposition is when a compound is broken into smaller chemical species while a Synthesis reaction is two or more chemical species
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4-bromo-6-isopropyl-3‚6-dimethyl-1-hexene *5. Which alkene would yield 3-methylpentane when subjected to catalytic hydrogenation? A) B) C) D) E) *61.What product is formed on reaction of hydrogen chloride with 1-pentene? 1. 1-Chloropentane4. 1-Chloro-1-pentene 2. 2-Chloropentane5. 2-Chloro-1-pentene 3. 1‚2-Dichloropentane *7. Sandwich bags is typically made of: a. high density Polyethylene b. Polystyrene c. Polyvinylchloride
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Biology Notes 1.02 Sometimes a practice or belief claims to be science but does not follow the scientific method or cannot be proven reliable through experimentation. These practices are examples of pseudoscience‚ which literally means "fake science." Charms‚ astrology = stars‚ and phrenology= reading the bump on skull 1.03 * In the mid 1600s in the Netherlands‚ the scientist Antonie van Leeuwenhoek developed the first known microscope using a single magnifying lens. He was the first person
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Biofuels. Name: Institution: Course: Tutor: Date: A biofuel is made from a biological process known as carbon fixation. These biofuels are gotten from the conversion of biomass‚ solid biomass‚ liquid fuels as well as biogases. The biofuels are continued to be known because of the high prices of fossil fuels and also for the purposes of ensuring fuel security in various countries. (Caye‚ D. & Terry W.2008). The biofuels are produced from two distinct ways; that is through metabolic by-products
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OXIDATION AND REDUCTION Oxygen makes up only about 20% of the air‚ yet is the essential component for so many reactions. Without it fuels would not burn‚ iron would not rust and we would be unable to obtain energy from our food molecules through respiration. Indeed animal life on the planet did not evolve until a certain concentration of oxygen had built up in the atmosphere over 600 million years ago. The term oxidation has been in use for a long time to describe these and other reactions where
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dsUnzh; fo|ky; laxBu नई दिल्ली अध्ययन / सहायता सामग्री िसवीीं कक्षा ववज्ञान क ललए े dsUnzh; fo|ky; laxBu lEHkkxh; dk;kZy;] vkbZ- vkbZ- Vh- dSEil] iobZ] eqEcbZ& 400076 1 Acknowledgements CHIEF PATRON : SHRI AVINASH DIKSHIT COMMISSIONER‚ Kendriya Vidyalaya Sangathan(HQ) New Delhi SHRI PRL GUPTA‚ ASSISTANT COMMISSIONER‚ Kendriya Vidyalaya Sangathan Mumbai Region SHRI SK VERMA EDUCATION OFFICER‚ Kendriya Vidyalaya Sangathan Mumbai Region SMT. AP BHALLA EDUCATION OFFICER‚ Kendriya Vidyalaya
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electron-deficient Lewis base and electron-rich Lewis acid in the absence of compounds that are unable to donate protons. There are two types of boron-hydrogen bonds‚ in which the classical B-H bond is a 2-center-2-electron bond similar to the carbon-hydrogen bond. The non-classical bond‚ however‚ has two electrons formed between two boron atoms and one hydrogen atom‚ making it a 3-center-2-electron bond1. Although this bonding is unique‚ boron hydrides are common reagents in organic syntheses1.
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