Molar Volume of a Gas Objective: The objective is to determine the volume‚ of one mole of hydrogen gas at STP using experimental data‚ known mathematical relationships‚ and a balanced chemical equation. Theory: The goal of this lab is to find the volume of one mole of hydrogen at STP. The experimenters will be working with hydrochloric acid and magnesium to find the objective. The acid in this lab will react to the magnesium and cause the water in the eudiometer to rise because of the reaction
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The Effect of Increasing Temperatures on the Enzyme Catalase Enzymes are proteins that help speed up chemical reactions inside your body and without enzymes‚ chemicals reactions in cells would be incredibly slow to a point where no activity at all takes place (Brawo press Inc‚ 2017). Enzymes speed up the chemical reactions by lowering the activations energy and they do this by binding substrates together in the correct orientation to react (Ernest Z‚ 2014). They are vital for life and serve a
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Introduction: Temperature - Is a measure of the motion of particles‚ increasing the temperature will cause the particles to move faster because the reactant particles have more thermal energy from the heat. When particles move faster‚ more frequent collisions will occur and the collisions are more violent. This should increase the reaction rate. This will result in the particles colliding more frequently and increasing the speed of the reaction. Also when they have more energy there will be more
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M2A1 Temperature Pattern Exercise Ricardo Cortez GEOL 108 EXERCISE 10 PART 1 1. Is the temperature contrast between the equator and the Arctic region greatest in the winter or summer? Answer. Temperature contrast between the equator and the Arctic region is greatest in the winter. Temperatures near or at the equator only change a few degrees between winter and summer while the Arctic region changes drastically up to 40 degrees between the seasons. 2. (a) Were latitude the only
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Effect of temperature and humidity on the transpiration rateof the whole mushrooms P.V. Mahajan * ‚ F.A.R. Oliveira‚ I. Macedo Department of Process and Chemical Engineering‚ University College Cork‚ Ireland Abstract Water loss or transpiration is an important physiological process that affects the main quality characteristics of fresh mushrooms‚such as saleable weight‚ appearance and texture. A loss in weight of only 5% may cause fresh produce to lose freshness and appear wiltedand it is an
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city‚ heard a commotion outside his window early in the morning at about 3 a m. It was a chill December and all the windows of Chitre’s house were closed. As Chitre and his wife Rohini‚ seven months pregnant‚ opened the window‚ they got a whiff of gas. They immediately felt breathless and their eyes and noses began to stream with a yellow fluid. Sensing danger‚ the couple grabbed a bedsheet and ran out of the house. Unknown to them‚ all the neighbouring bungalows‚ which had telephones‚ had already
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Bayelsa‚ Cross River‚ Delta‚ Edo‚ Imo‚ Ondo and Rivers); being made up of 185 local governments of over 800 communities from 12 major ethnic groups‚ with a population of about 30 million people. The country is richly endowed with crude oil and natural gas deposits which are the main source of energy and foreign exchange earnings. “Blood may be thicker than water‚ but oil is thicker than both”‚ - Perry Anderson‚ New Left Review‚ 10‚ 2001‚ p.30. The exploration of oil in Nigeria started in 1908 with the
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Can tegu lizards maintain an elevated body temperature during their reproductive season? Experiment: Dr. Glenn Tattersall and a team of researchers in Rio Claro‚ Brazil studied changes in the heart rate and body temperature of tegu lizards (Salvator merianae)‚ by implanting lizards bred in captivity with specialized electronic chips. One group of lizard lived in an entirely outdoor environment for one year. Three other groups that were subjected to alternating indoor and outdoor environments over
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I was testing different temperatures and how it affects the time catalase takes for it to break down peroxide. The problem that i was investigating is how does temperature affect the time it takes for catalase to break down peroxide. My independent variable for this lab was the temperature of the solution the enzyme is in. My dependent variable in this experiment was rate of reaction or the amount of time it takes to sink and rise. My hypothesis is that if the temperature is higher than 37℃‚ then
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distillation and gas chromatography to separate and identify different compounds from a given mixture. There are several kinds of distillation methods. However‚ the method that we used in this experiment was fractional distillation. This method is used when trying to separate two different volatile compounds whose boiling points differ by 40-50°C or more. If the boiling points are too close‚ this method will not work because the two compounds will begin evaporating at close temperatures and will condense
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