Internal Combustion Engines An internal-combustion engine is a heat engine that burns fuel and air inside a combustion chamber located within the engine proper. Simply stated‚ a heat engine is an engine that converts heat energy to mechanical energy. The internal- combustion engine should be distinguished from the external- combustion engine‚ for example‚ the steam engine and the Stirling engine‚ which burns fuel outside the prime mover‚ that is‚ the device that actually produces mechanical
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Do Colours Attract Heat? Aim: To paint coke cans different colors and test which colours attract the most heat. Research: After researching colours on the internet‚ I found that darker colours‚ like black or purple‚ should attract more heat than lighter colours such as pink or yellow. Hypothesis: I predict that the darker colors‚ will attract more heat than the lighter colours because they will absorb the heat‚ instead of reflecting it. Equipment / Materials: I will need the following:
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Experiment 16: Heat conduction Introduction In this laboratory you will study heat flow across a temperature gradient. By comparing the temperature difference across one material to the temperature difference across a second material of known thermal conductivity‚ when both are conducting heat at a steady rate‚ you will be able to calculate the thermal conductivity of the first material. You will then compare the experimental value of the calculated thermal conductivity to the known value for that
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Chemistry 1110 Molar Mass of Butane Materials * Butane Lighter * Plastic Tube * 100 ml Graduated Cylinder * 2 Thermometers * Barometer * Sink Full of Water Purpose The purpose of this experiment is to determine the molar mass of butane using Dalton’s Law of Partial Pressures and the ideal gas law. Hypothesis My hypothesis is that as we complete the experiment‚ we will be able to correctly use the air and water temperatures‚ volume of gas‚ and barometric
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The Combustion of Diamond and Methane Methane is a hydrocarbon compound that is found in a gaseous state at room temperature. It has the chemical formula CH4‚ it is an odourless‚ colourless gas that is a large percentage of ‘natural gas’ and is a large contributor to global warming as it is a greenhouse gas and is flammable so is used as a fuel. Methane is a product of the covalent bonding of carbon and hydrogen. Products of the combustion of methane include carbon dioxide‚ water‚ soot and carbon
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(Internal Combustion Engine) Name: Chia Wei Qian ID: 1101C12664 Period 4 Date: 14 May 2012 Lecturer: Mr. Jaroslaw Cebrowski Introduction Car engine is amazing machine that convert the heat energy to mechanical energy to let the car move. As we know the modern car engine is works in the internal combustion so it is call internal combustion engines. But for the older technology‚ they used External Combustion Engines. It is far lower efficiency than internal combustion engines.
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Jennifer Jiang Dr. Iobst Chemistry I Honors 11 March 2013 Molar Mass of Butane: Applying the Gas Laws 1. Water bath temperature: 17.7° C or 291 K Celsius to Kelvin temperature conversion: 17.7° C + 273 = 290.7 Kelvin (rounded to SF= 291 K) 2. 1 atm 1 atm 10 mm 10 mm 2.54 cm 2.54 cm According to the digital barometer our teacher provided‚ the barometric pressure in the lab is 29.77 in Hg‚ which will need to be converted to atmospheric pressure. 760 mm Hg 760 mm Hg 1 cm
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10-3 mol 3. Molar mass – mass in grams of one mole of a substance. Example 3-5 page 76 4.62 g Na3PO4 Molar Mass Na3PO4 = (22.9898 gNa X 3) + (30.9738 gP) + (15.9994 gO X4) = 163.9408 g per mol Na3PO4 Moles Na3PO4 = 4.62 g X 163.9408 g/ mol = 2.818 X 10-2 mol Na3PO4 Moles Na = 2.818 X 10-2 mol Na3PO4 X 3 mol Na / mol Na3PO4 = 8.45 X 10-2 mol Na Na+ ions = 8.45 X 10-2 mol Na X (6.022 X 1023) = 5.08 X 1022 ions C. Solutions and Their Concentrations 1. Molar Concentration
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Mole Conversion Web Quest EO 103 What the heck is a mole? We have Avagadro ( and others) to thank for this…….. 6.02 x 1023 is the number of “things” per mole of the substance. Here is a tutorial for an over view and for a reference as you work through these problems http://www.wiley.com/college/chem/spencer053872/tutorial/gramsmoles/gramsmoles1.html We can use this to do mathematical conversions to determine mass‚ volume‚ and number of atoms or molecules in a given substance. For example let’s
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Molar Volume of a Gas – 10/27/08 Alic Albright‚ Josh Coleman‚ Dan Boden‚ Zach Babin Purpose: The pupose of this lab was to make an experimental determination of a molar volume through reaction of the substance shown: Mg(s) + 2HCl(aq) > MgCl(aq) + H(g) Introduction: In this lab‚ a magnesium ribbon and HCl are combined in a gas measuring tube. When they are combined they form magnesium chloride and Hydrogen gas. The molar ratio between Mg reacted and
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