Relate chemical reactions with metabolism b.) Identify the major components of a chemical reaction c.) Describe at least one everyday example of an endergonic and exergonic reaction d.) Relate the breakdown and formations of organic molecules to catabolic or anabolic reactions Reference: * http://www.chem4kids.com/files/bio_metabolism.html * dela Cruz‚ Susana. Biology. Phoenix Publishing House‚ Inc.: Quezon City. 2003. Lesson Proper: Topic/ Content | Teacher’s Activity
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change. 2. No‚ because the color inside the tube did not change. 3. Yes Glucose moved out of the tube. The color changed from transparent to orange. The Effect of Weight on Diffusion: Molecule Molecular Formula Did it cross selectively permeable membrane Starch Polysaccharide made up of many Glucose molecules No Glucose C6H12O6 Yes The Effect of Weight on Diffusion’s Speed: We put 3 elements in a TSA plate and left them for 30 minutes to see where diffusion is faster‚ the results are: 1.
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Taking the 3H integrated signal together with the 2H quadruplet signal‚ this combined integration and splitting pattern was indicative of a CH2-CH3 group being present on the unknown molecule. The three hydrogens on the end of the molecule have only 2 neighboring hydrogens; according to the n+1 rule‚ the 3H integrated hydrogens therefore appear as a triplet splitting pattern. The 2H integrated hydrogens have 5 neighboring hydrogens; according to the n+1 rule
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of water. Both the ice cream maker and road salt are examples of freezing point depression. Salt water is an example of a chemical solution. In a solution‚ there is a solvent (the water in this example)‚ and a solute (the salt in this example). A molecule of the solute will
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THE VSEPR THEORY The VSEPR stands for ¡°Valence Shell Electron Pair Repulsion¡±‚ the theory is used for predicting the structure of molecules. The theory can be used in two main steps. First‚ the number of all bonding pairs and lone pairs is calculated‚ next‚ these pairs of electrons are rearranged in order to minimize the repulsion between them. Different number of bonding pairs and lone pairs of electrons can form different structure. When there are only two bonding pairs around the central
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Adhesions allows water to climb upward against gravity in capillary action because off the water molecules sticking too the other molecules of that material. Water molecules are strongly attracted too glass molecules because glass molecules are way more polar than water molecules. When you are driving in the rain and the water is on your window‚ that is called adhesion because the water and glass molecules are attracted too each other and are holding on too each other. If you have ever
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data would suggest if there are not enough degrees for those structures. Mass Spectrometry is a fast procedure that can give the structure of a molecule‚ but breaking everything apart is tedious‚ and it is used mainly to find the molecular weight of a molecule since the last and highest peak gives a signal in an equivalent of grams to mole of the molecule. Infra-red spectroscopy (IR) will present peaks in places characteristic of certain functional groups‚ and can show if a group is present‚ although
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The polarity of water Polarity means that the molecule has both a positively and negatively charged end. More important‚ the polarity of water is responsible for effectively dissolving other polar molecules‚ such as sugars and ionic compounds such as salt. Ionic compounds dissolve in water to form ions. This is important to remember because for most biological reactions to occur‚ the reactants must be dissolved in water. Because water is able to dissolve so many common substances‚ it is known as
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A Report of Experiment 1 Purification and Identification of An Unknown Mixture Aim To separate a mixture of a neutral (ester‚ alcohol‚ ketone‚ aldehyde or ether) and an acidic compound (phenol or carboxylic acid) or a neutral and a basic compound (amine)‚ and to identify the unknown mixture by physical (M.P. or B.P.) and spectroscopic methods (NMR‚ IR and MS). Method The mixture (sample number: 27) was dissolved in 200 mL of CH2Cl2 and then extracted with 10% NaOH. The acid was removed
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MOLE UNIT REVIEW WORKSHEET 1. Convert 500.0 g NaCl to formula units. 5.15 x 1024 f.u. Convert 9.8 x 1024 molecules of C2H6 to grams. 4.9 x 102 g The mass of an unknown gas is 11.59 g. The mass of an equal volume of He is 1.45 g. Calculate the molar mass of the unknown gas. 32.0 g/mol Calculate the percentage composition of sulphur in Al2(SO4)3. 28.11% Calculate the molar mass of Co2(SO4)3•6H2O 514.16 g/mol The empirical formula for a compound is C2H5O and its molecular mass
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