Reactions of some Hydrocarbons Equipment Required: -4 Test tubes -Dropper - Cyclohexane (C6H12) (3ml) - Cyclohexene (C6H10) (3ml) - Toluene (CH3C6H5) (3ml) - Potassium Permanganate solution (KMnO4) .01 mol L-1 (4ml) - Sulfuric Acid (H2SO4) 2mol L-1 (2ml) - Bromine Water (Br2) (5ml) Procedure: Reaction of hydrocarbons with acidified permanganate: 1) Into three separate‚ labeled test tubes place 1 ml of cyclohexane‚ cyclohexene and toluene respectively. 2) In a separate test
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Calculations 1. Rounding Examples *0.1356 (4 significant figures) -> Round answer to 2 significant figures *0.1356 -> 0.14 *314.705 (6 significant figures) -> Round number to 4 significant figures. *314.705 -> 314.7 *0.0035771 (5 significant figures) -> Round to 3 significant figures. *0.0035771 -> 0.00358 *500‚000 (1 significant figure) -> Write this number to have 3 significant figures. *500‚000 - 5.00 x 10^5 *39.501 -> Round to 2 significant figures. *39‚501
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Baking Project There are several chemical reactions taking place in the general baking of cakes. Every ingredient has its own function and causes a different reaction Synthesis: * Egg yolks (modify molecule’s structure) helps the oil-based and water-based components of the cake mix together. When eggs are cooked‚ the protein molecules become uncurled when exposed to heat and create new molecular bonds with other nearby protein molecules. When the egg is completely cooked‚ it helps form a
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Question: What Is the Importance of Chemistry? What is the importance of chemistry? Why would you want to learn about chemistry? Chemistry is the study of matter and its interactions with other matter and energy. Here’s a look at the importance of chemistry and why you should study it. Answer: Chemistry has a reputation for being a complicated and boring science‚ but for the most part‚ that reputation is undeserved. Fireworks and explosions are based on chemistry‚ so it’s definitely not a boring science
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This was the diagnosis of stage four cancers that affected my mom and there was nothing that the doctors could do. The next question my dad had was‚ “How long?” The doctor said‚ “Less than ninety days‚” due to the fact that the cancer had eaten its way through mom’s bladder. This is the most serious illness that I have had to deal with was truly hard on me and a lot more so on my dad; since he and mom would have been married more than thirty years. My question was‚ “Okay‚ do we tell her or just
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to know the exact position and momentum of an electron B) there can only be one uncertain digit in a reported number C) it is impossible to know anything with certainty D) matter and energy are really the same thing E) it is impossible to know how many electrons there are in an atom 7) 8) All of the orbitals in a given electron shell have the same value of the __________ quantum number. A) azimuthal
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Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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There was a frequent use of paintings and sculptures showing naked bodies as prototypes for tableaux vivants. Nakedness was usually not allowed on stage‚ but an exception was made in certain cities‚ for instance in New York‚ for suchlike in the tableaux vivants (McCullough 1983). There are‚ however‚ important differences between a naked body in a static pose and moving on stage. The view of a naked body in a painting‚ a sculpture or a tableau vivant provides information about both the surface and
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PGM 1033 FUNDAMENTALS OF MANAGEMENT NAME : Muhammad Rahimy Mubin Bin Abdul Ghani. (PTM 120112363) NO.IC : 930316-01-6617 SECTION : 6 NAME LECTURER : Zulrina Efriza Zardi CONTENT TITLE PAGE CONTENT 1 GENERAL MANAGER BIOGRAPHY 2-3 COMPANY PROFILE 4-7 COMPANY
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entExamination Paper: Fundamentals of Computer IIBM Institute of Business Management Semester-I Examination Paper MM.100 Fundamentals of Computer Section A: Objective Type (20 marks) ********************************************************** Multiple Choices: 1. b. 2 types 2. b. 1 or more input signals to produce output 3. d. Both (a) & (c) 4. b. Non-volatile 5. c. Direct-access storage device 6. c. Multiple object program files of
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