31) QUALITY OF DRIED FOODS AND DETERIORATIVE REACTIONS DURING DRYING Consumer demand has increased for processed products that keep more of their original characteristics. In industrial terms‚ this requires the development of operations that minimize the adverse effects of processing. The effect of food processing on finished product quality ultimately determines the usefulness and commercial viability of that unit process operation. In the particular case of food drying this indicates that loss
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How reaction rate varies with sodium thiosulphate concentration Background information Sodium thiosulphate and hydrochloric acid are both colourless liquids‚ when the two reactants are reacted together they produce sulphur. The sulphur that is produced from the reaction changes the solution to yellow and cloudy‚ this is a precipitation reaction‚ where a two solutions react and a solid forms in the solution‚ the solid is said to precipitate out. Some reactions will occur quickly such as fireworks
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temperature)‚ and 70°C. This investigation tested the hypothesis: The rate of osmosis will increase as the temperature increases 2x2x2cm cubes of potato were weighed and then placed into 100mL of 10% NaCl solutions for 10 minutes. After 10 minutes the cubes were again weighed to determine the amount of mass that they lost/gained and thus get an indication of the rate of osmosis. The results collected showed that the rate of osmosis was highest in the 70°C solution and lowest in the 20°C solution
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Reduce your Ecological Footprint Essay You may not realize it‚ but having a large ecological footprint can cause a vast effect on our earth. We may not see an immediate affect but slowly we are becoming the big reason for the earth’s loss of natural resources. The ecological footprint measures human impact on the earth. The ecological footprint calculates how much land and water area we use. This includes the areas for producing the resources we consume‚ the space for our buildings and roads‚ and
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differently‚ specifically a person’s heart rate and blood pressure. After exercising your heart rate should increase and your blood pressure should decrease (Blood Pressure Association‚ 2008). The purpose of this lab was to determine which level of exercise would have the greatest impact on affected pulse and blood pressure. In this lab we tested how exercise affected heart rate by testing a random group of people with different body types and exercise levels to see how different types of exercise would affect
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Task 12.3 Written Film Response Checkpoint - FRAMEWORK Paragraph #1 INTRODUCTION to the task. You are responding to a film‚ explain why. Thesis: (This is your opinion as to whether or not you recommend the film and why.) The Green Mile is a drama about capital punishment that’ll have you laughing at times‚ and crying and times. The all-star cast including Michael Duncan and Tom Hanks make this a film worth watching. Paragraph #2 INTRODUCTION to the film: Include details of
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How does the concentration affect the rate of a reaction? 30/1/2012 By Alex Whenman Contents page 1. Introduction to my investigation 2. Background information on concentration 3. What experiment I will be conducting 4. Equipment I will be using 5. How I will be conducting the experiment 6. Heath and safety risk assessment 7. What I think will happen 8. How I will set up my experiment 9. Why I’m having my experiment set out like
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RATE OF REACTIONS. The reaction rate (rate of reaction) or speed of reaction for a reactant or product in a particular reaction is intuitively defined as how fast or slow a reaction takes place. For example‚ the oxidative rusting of iron under the atmosphere is a slow reaction that can take many years‚ but the combustion of cellulose in a fire is a reaction that takes place in fractions of a second (right). Chemical kinetics is the part of physical chemistry that studies reaction rates. The concepts
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1. The first tool is ‘education’. With the help of education we can reduce corruption. According to a survey conducted by India today the least corrupt state is Kerala‚ the reason being that in Kerala literacy rate is highest in India. So we can see how education effects education. In most of the states‚ normally a fairly large number of people are uneducated. Those who are uneducated do not know about the process‚ provisions and procedures through which they can get justice. Corrupt public servants
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as steep and has a more gradual decline. Moreover‚ it shows how a reaction at 20°C a slower time for the cross to disappear compared to 40°C and especially 60°C. Both graphs show how temperature has a great effect on the speed of sulfur formation covering the X on the paper. In this graph‚ it shows the relationship between temperature and the rate of reaction
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