Why do darker colors absorb more heat than lighter Colors? Have you ever wondered why on a hot summer day you would be wearing a black or dark blue t-shirt and in like 5 min you’ll already be sweating and it would be really hot while your friends that are wearing white or yellow t-shirts are all ok and don’t seem affected by the heat. Have you ever thought what might cause this to happen? Well the color of our clothes is determined by a chemical dye that is added to the cloth at the factory
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indicates the number of molecules or atoms that were involved in the chemical reaction. 1. H2 + Br2 -----> 2HBr 2. Potassium Chlorate ----> Potassium Chloride + Oxygen = KClO3 ------> KCl + O2 KClO3 ------> KCl + O2 Balanced = 2KClO3 ------> 2KCl + 3O2 3. FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl 4. Zn (s) + H2SO4 (aq) = ZnSO4 (aq) + H2 (g) 5. CuS + HNO3 -> CuSO4 + H2O + N2O CuS + 2 HNO3 -> CuSO4 + H2O + N2O Chemical Reaction is a process that involves rearrangement of the molecular or
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Investigating How the Relative Molecular Mass Changes in Heat Combustion of an Alcohol Planning Introduction ============ As alcohol burns in air it gives out energy as heat and light. I am going to investigate how the energy output of an alcohol in combustion changes‚ with increased relative molecular mass‚ or RMM. RMM is the sum of the atomic masses of every atom in the molecule. Using the alcohols: Methanol‚ Ethanol‚ Propan-1-ol‚ Butan-1-ol and Pentan-1-ol‚ I will plan
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Unit Test Science V I. Match the animals with how they get and eat their food. Write only the letter. 1. Snake a. sucking blood with their tiny tubes 2. Frog b.using beaks to get their prey 3. Birds c. coiling their bodies to their prey 4. Lion d. catching insects with their sticky tongue 5. Mosquitoes e. tearing meat with their strong pointed teeth B. 1. mammals a. they have dry scaly skin 2. birds b. they have mammary gland that produce milk to feed
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To investigate the relationship between surface area : volume ratio and heat loss. INTRODUCTION: The aim of this experiment is to investigate and find the relationship between heat loss (of water) and surface area to volume ratio of animals. To investigate this‚ we are going to use three flasks of different volume (as the equivalent the animals) and thus different surface areas filled with water. BACKGROUND: Surface Area : Volume Ratios We will be using the following formula for calculating
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International Journal of Heat and Mass Transfer 50 (2007) 977–990 www.elsevier.com/locate/ijhmt Steady forced convection heat transfer from a heated circular cylinder to power-law fluids Ram Prakash Bharti a‚ R.P. Chhabra a‚*‚ V. Eswaran b a b Department of Chemical Engineering‚ Indian Institute of Technology‚ Kanpur 208016‚ India Department of Mechanical Engineering‚ Indian Institute of Technology‚ Kanpur 208016‚ India Received 12 January 2006 Available online 12 October 2006 Abstract
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reaction‚ the sugar from the gummy bear reacts with the oxygen produced from the decomposition of potassium chlorate. Purple sparks form‚ which are a result of the potassium ion (it has nothing to do with the colour of gummy bear you use). As we heat the Potassium Chlorate it starts to
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Experimental Investigation on Coupling Evacuated Heat Pipe Collector on Single Basin Single Slope Solar Still Productivity 1Hitesh N Panchal‚ 2Dr. Manish Doshi‚ 3Anup Patel‚ 4 Keyursinh Thakor 1Assistant Professor‚ Mechanical Engineering Department‚ L C Institute of Technology‚ Mehsana Gujarat‚ India Email: Engineerhitesh2000@gmail.com 2. Member of Institution of Engineer (MIE) 3. Assistant Professor‚ L C Institute of Technology‚ Mehsana 4. Assistant Professor‚ L C Institute of Technology
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heated and decomposes completely‚ what mass of oxygen gas is produced? KClO3 (s) --> KCl (s) + O2 (g) [unbalanced] Answer to Practice Problem #1: 1. Balance your equation first. 2KClO3 (s) --> 2KCl (s) + 3O2 (g) [balanced] 2. Convert from grams to moles using molar mass. To get moles from grams of potassium chlorate (KClO3): [molar mass = 122.55 g/mol] 138.6 g KClO3 X (
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php/IJAMR Magnetohydrodynamic free convection flow of a heat generating fluid past a semi-infinite vertical porous plate with variable suction Mutua‚ N.M 1*‚ Musyoki‚ I‚ N.M1‚ Kinyanjui‚ M.N2‚ Kwanza‚ J.K2 Taita Taveta University College Jomo Kenyatta University of Agriculture and Technology *Corresponding author E-mail: nicholasmuthama@ttuc.ac.ke 2 1 Abstract In this paper‚ a magnetohydrodynamic convection flow of an electrically conducting heat generating fluid past a semiinfinite vertical porous
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