Acetaldehyde (C2H4O), an oxidation product of ethanol, is found in every type wine. In average, red...
Acetaldehyde (C2H4O), an oxidation product of ethanol, is found in every type wine. In average, red wine contains 0.0300 g/L. How many moles of acetaldehyde are present in a bottle of red wine (750. mL)?
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Acetaldehyde (C2H4O), an oxidation product of ethanol, is found
in every type wine. In average, red...
The balanced equation for the combustion of ethanol into carbon dioxide and water is found below.....
The balanced equation for the combustion of ethanol into carbon dioxide and water is found below.. C2H5OH (l) + 3 O2 (g) ----> 2 CO2 (g) + 3 H2O (l) a.calculate how many moles of oxygen gas are contained in 659 ml sample of oxygen at 1.07 atm and 21 degrees celcius b. a glass of wine contains 9.33g of ethanol. how many moles of oxygen would be needed to burn the ethanol contained in one glass of wine c....
16) Ethanol, CHsO, is produced by the fermentation of sugars in wine and beer. Given that...
16) Ethanol, CHsO, is produced by the fermentation of sugars in wine and beer. Given that ethanol has a molecular weight of 46.07 g/mol and a density of 0.789 g/em answer the following questions: a) How many mL of ethanol are consumed in a 12 oz. glass of red wine that contains 13.4 % ABV? Note: ABV stands for alcohol (ethanol) by volume. You must use the following conversion factors in your calculation: 128 oz- 1 gal; 1 gal 3.785...
Ethanol in the body is oxidized to acetaldehyde by liver alcohol dehydrogenase (LADH). Other alcohols are...
Ethanol in the body is oxidized to acetaldehyde by liver alcohol dehydrogenase (LADH). Other alcohols are also oxidized by LADH. Methanol, which is mildly intoxicating, is oxidized by LADH to the highly toxic product formaldehyde. The toxic effects of methanol (a component of many commercial solvents and "wood alcohol" in moonshine) can be reduced by administering ethanol. The ethanol acts as a competitive inhibitor of methanol by displacing it from LADH. This provides sufficient time for the methanol to be...
4, The 750 mL bottle of Lindeman's Shiraz wine in my kitchen is 7.75 % ethanol...
4, The 750 mL bottle of Lindeman's Shiraz wine in my kitchen is 7.75 % ethanol by volume. The density of ethanol is 0.789 g/mL. What is the molarity of the wine with respect to the solute ethanol? 5. To make a saturated aqueous solution of ammonia, 470 g of ammonia are dissolved with one liter of water. The density of the resulting solution is 0.89 g/mL. What is the molarity of the solution? Hint: Think about the two quantities...
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of...
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of sucrose in 220 mL of ethanol. g) What is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and...
Ksp = [Ba²+][10,1 2. 10. mL of 0.10 M Ba(NO), is mixed with 10. mL of...
Ksp = [Ba²+][10,1 2. 10. mL of 0.10 M Ba(NO), is mixed with 10. mL of 0.10 M KIO,, a precipitate forms. for barium a. Which ion will still be present at appreciable concentration in the equilibrium mixture if K iodate is very small? b. What would that concentration be? 3. Lead chloride, PbCly, is slightly soluble with K equal to 1.7 x 10. a. What is the solubility of lead chloride in pure water? b. What would the solubility...
4) (7 marks) Liver alcohol dehydrogenases (ADH) is relatively nonspecific. Its normal substrate is ethanol, however,...
4) (7 marks) Liver alcohol dehydrogenases (ADH) is relatively nonspecific. Its normal substrate is ethanol, however, it will oxidize other primary alcohols, such as methanol, to their corresponding aldehydes. In the case of methanol this produces formaldehyde, which is quite toxic and can lead to blindness. Mistaking it for the cheap wine she usually prefers, my dog Lulu ingested about 36 mL of windshield washer fluid, which is an aqueous solution of 50% v/v methanol. I knew that methanol would...
How many moles and numbers of ions of each type are present in the following aqueous...
How many moles and numbers of ions of each type are present in the following aqueous solution? Be sure to enter your answers for the number of ions in scientific notation. 1.12 mL of a solution containing 2.92 g lithium sulfate/L.
17. Determine the enthalpy change for the oxidation of ethanol to acetic acid, CH3CH2OH(() + O2(g)...
17. Determine the enthalpy change for the oxidation of ethanol to acetic acid, CH3CH2OH(() + O2(g) → CH3COOH() + H2O(1) given the thermochemical equations below. 1) 2 CH2CH2OH(1) + O2(g) + 2 CH CHO(l) + 2 H20(1) AH = -400.8 kJ/mol-rxn 2) 2 CHỊCHO(0)+0g)+2 CHCOOH(C). A,Hº = -584.4 kJ/mol-rxn (a) What is the compound that is not present in the target equation? (b) To cross out that compound, what operation is needed to do for equations 1) and 2)? (c)...
How many moles and numbers of ions of each type are present in the following aqueous...
How many moles and numbers of ions of each type are present in the following aqueous solution? Be sure to enter your answers for the number of ions in scientific notation. 8.71 mL of a solution containing 5.89 g lithium sulfate/L _______ mol lithium _______ × 10__ions lithium _______mol sulfate _______× 10__ions sulfate
16) Ethanol, CHsO, is produced by the fermentation of sugars in wine and beer. Given that ethanol has a molecular weight of 46.07 g/mol and a density of 0.789 g/em answer the following questions: a) How many mL of ethanol are consumed in a 12 oz. glass of red wine that contains 13.4 % ABV? Note: ABV stands for alcohol (ethanol) by volume. You must use the following conversion factors in your calculation: 128 oz- 1 gal; 1 gal 3.785...
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of sucrose in 220 mL of ethanol. g) What is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and...
Ksp = [Ba²+][10,1 2. 10. mL of 0.10 M Ba(NO), is mixed with 10. mL of 0.10 M KIO,, a precipitate forms. for barium a. Which ion will still be present at appreciable concentration in the equilibrium mixture if K iodate is very small? b. What would that concentration be? 3. Lead chloride, PbCly, is slightly soluble with K equal to 1.7 x 10. a. What is the solubility of lead chloride in pure water? b. What would the solubility...
4) (7 marks) Liver alcohol dehydrogenases (ADH) is relatively nonspecific. Its normal substrate is ethanol, however, it will oxidize other primary alcohols, such as methanol, to their corresponding aldehydes. In the case of methanol this produces formaldehyde, which is quite toxic and can lead to blindness. Mistaking it for the cheap wine she usually prefers, my dog Lulu ingested about 36 mL of windshield washer fluid, which is an aqueous solution of 50% v/v methanol. I knew that methanol would...
17. Determine the enthalpy change for the oxidation of ethanol to acetic acid, CH3CH2OH(() + O2(g) → CH3COOH() + H2O(1) given the thermochemical equations below. 1) 2 CH2CH2OH(1) + O2(g) + 2 CH CHO(l) + 2 H20(1) AH = -400.8 kJ/mol-rxn 2) 2 CHỊCHO(0)+0g)+2 CHCOOH(C). A,Hº = -584.4 kJ/mol-rxn (a) What is the compound that is not present in the target equation? (b) To cross out that compound, what operation is needed to do for equations 1) and 2)? (c)...
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