Purpose Determine which kinds of reactions involve electron transfer as the driving force. Background Redox (reduction-oxidation) reactions include all chemical reactions in which atoms have their oxidation state changed. So‚ when a metal and a nonmetal react‚ there is an ionic bond formed‚ which means one of them loses electrons while the other gains them. Since this reaction involves the exchange of electrons it is termed as a redox reaction. The oxidation states in a metal- nonmetal are simple
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n this lab‚ everyone got a flask which we then drew a pumpkin face on. Then we mixed 42 mL sodium hydroxide solution‚ 10 g of glucose‚ 1 mL‚ 1 L of water and Methylene blue solution and leave it undisturbed. The blue solution turned clear and when we added the yellow food coloring it turned an orange color. The solution then turned dark blue once the solution was shaken vigorously. This reaction occurred because the oxygen oxidized the methylene blue.In the oxidized state the methylene blue shows
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Influence of Malonate and Sodium Fluoride on the Activity of Enzyme Succinate Dehydrogenase to Assess Inhibitors of Cellular Respiration Thaovy Mai Tran BI 151.5233 (Winter 2013) Todd Tiano 03/25/2013 Introduction Most organisms produce adenosine triphosphate (ATP) as a source of energy for cellular work‚ using cellular respiration. Cellular respiration
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Mu¨nchen‚ Munich‚ Germany . Introduction Under anaerobic conditions‚ in the dark and in the absence of electron acceptors‚ organic compounds are catabolized by strictly anaerobic or facultatively anaerobic bacteria by internally balanced oxidation–reduction reactions‚ a process called fermentation. In fermentation‚ the organic compound serves as both electron donor and acceptor‚ and adenosine triphosphate is synthesized by substrate level phosphorylation. . Types of Fermentations . Distribution of
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D. REACTIONS OF ALDEHYDES AND KETONES WITH SODIUM HYDROXIDE (By: Mary Deo Luigi J. Mabunay 1N-3) Objective: To determine the reactions of Aldehydes and Ketones when combined with Sodium Hydroxide. Process: * Obtain 5 clean and dry test tubes * Put 2mL of 40% NaOH solution to test tubes 1‚ 2 and 3 and on test tubes 4 and 5‚ put 10% NaOH solution * Add 10 drops of the following solution: * Tube 1: formaldehyde * Tube 2: benzaldehyde * Tube 3: acetaldehyde
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Patient X is 55 years old‚ weighs 245 lbs and he is 5’10 . 1) Hypertension: Weight control to lower the risks associated with hypertension include a diet low in sodium and high in potassium. The risk of hypertension is lower when salt intake is lower and potassium helps reduce blood pressure by increasing the amount of sodium excreted in the urine. The DASH eating plan is the best option for maintaining hypertension. Physical activity is also a major lifestyle modification that should be adopted
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form of heat. Chemical Change. reduction Where is the copper? Changed form- it is now dissolved in the blue solution Changed state- solid to ionised liquid solution- now has a positive charge Copper sharing 2 electrons with oxygen (aq) Cu2+ Stage 2- Precipitation of Copper Hydroxide NaOH solution description: The Sodium Hydroxide liquid was transparent‚ homogenous‚ and blue in colour. Notes and observations on the reaction: When the sodium hydroxide was added‚ the solution
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The doctor may recommend medication to lower your blood pressure; there are several medications that are used to control high blood pressure. 1.) Diuretics‚ it acts on the kidneys to help your body eliminate sodium and water‚ reducing blood volume. 2.)Beta-blockers reduce the workload of the heart and open the blood vessels. 3.) Angiotensin-converting enzyme inhibitors help to relax blood vessel and the Angiotensin II receptor blockers also help relax blood
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diarrhoea. 2. Why “reduced osmolarity”? Studies have shown that the efficacy of ORS for treatment of children with acute diarrhoea is improved by reducing its sodium concentration to 75 mEq/l‚ its glucose concentration to 75 mmol/l‚ and its total osmolarity to 245 mOsm/l. This compares to the original solution which contained 90 mEq/l of sodium with a total osmolarity of 311 mOsm/l.
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10.0 EXPERIMENT ON DETERMINATION OF DISSOLVED OXYGEN Sl. No. Contents Preamble 10.1 Aim 10.2 Introduction 10.2.1 Environmental Significance 10.3 Principle 10.4 Materials Required 10.4.1 Apparatus Required 10.4.2 Chemicals Required 10.5 Sample Handling and Preservation 10.5.1 10.6 Precautions Procedure 10.6.1 Preparation of Reagents 10.6.2 Testing of Water Sample 10.7 Calculation 10.7.1 Table 10.7.2 Data Sheet 10.8 Interpretation of Results 10.9 Inference 10.10 Evaluation
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