Green Chemistry Principle #5: Safer Solvents and Auxiliaries Note an industrial process within the chemical industry that has adapted the 5th “Green Principle”
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Green Chemistry Principle #5: Safer Solvents and Auxiliaries
Note an industrial process within the chemical industry that has adapted the 5th “Green Principle”
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- Green Chemistry Principle #5: Safer Solvents and Auxiliaries c.) What is the rational, in terms of creating a safer & sustainable chemistry method, for the inclusion of the 5th “Green Principle” onto the grand list of the 12-Principles of Green Chemistry.Give and explain 2 application of each in nature and the human body 1. Cohesion , 2. Adhension, 3. Surface, 4. Water as a solvent Thank youPart of the food losses each year are due to the unique characteristics or difficulties associated with working with biological materials, which set them apart from other traditional engineering materials. List four of the difficulties or distinguishing aspects that make biological materials challenging to work with as compared to non-biological materials.
- Catalysts such as enzymes produced in the gut is always _________ in form and is a type of ______________.A. gaseous; homogenous catalyst C. liquid; homogenous catalystB. liquid; biocatalyst D. solid; Heterogenous catalystThe beekeeper, who placed beehives on citrus trees, realized that the bees had died after a while. The beekeeper thinks that his bees have died because of pesticides that can be dissolved with organic solvents thrown on citrus trees. What is the cheapest and most convenient chemical route to follow in this case? The presence of pesticides dissolved in apolar solvents can be analyzed with the analyzes made on what kind of devices, discuss.Activity 2Objective: Describe what happens to substances that undergo a chemical change. Materials: used paper match used styrofoam plate or cups baking powder Vinegar liquid milk pure calamansi juice Procedure: A. Burning a piece of paper You need a piece of paper. Put it over the flame. Compare the color before and after burning. B. Styrofoam and calamansi juice Drop pure calamansi juice into a Styrofoam plate or cups. Then observe what happens to Styrofoam. C. Baking powder and vinegar Put one tablespoon of baking powder in a dry small bottle. Add water and observe what happens. D. Milk and vinegar Put 3 tablespoon of vinegar in a glass bottle then add liquid milk drop by drop. If the liquid milk is not available prepare from powdered milk to water. Then observe what happens. E. Complete the table below. In the observation column, describe the materials before the reaction and the results after the change. Then give the evidences of chemical change in the…
- Choose the best biomaterials (Metal, Polymer, Ceramic) for the following applications with the at least three reasons.Biochemical oxygen demand (BOD) is a measure of the: Question 4 options: A) number of bacteria present in a water sample B) amount of oxygen present in a water sample C) amount of organic matter present in a water sample D) amount of undissolved solid matter present in a water sampleMicrobes use a variety of macromolecules. Chose an example of how a microbe uses a specific macromolecule and present it to your peers . Include information on how the microbe obtains the macromolecule, if it provides any unique benefits, what alternatives may be used if the chosen macromolecule is unavailable, and if this use of the macromolecule has any medical or scientific applications.
- Physical and Biological SciencesA bomb calorimeter was calibrated by burning 1.013 g of benzoic acid(C7H6O2) (ΔUcomb = 3.221 × 103 kJ/mol). The temperature change in thecalorimeter during the calibration combustion was 5.19°C. A nutritional chemist then used the calibrated calorimeter to determine the energy con-tent of food. The chemist carefully dried a sample of food and placed 0.8996 g of the sample in the calorimeter with sufficient oxygen for thecombustion to go to completion. Combustion of the food sample causedthe temperature of the calorimeter to increase by 4.42°C.1. Approximately how many moles of O2 gas were consumed in thecalibration combustion?a) 0.008 c) 0.2b) 0.1 d) 0.06 2. What is the heat capacity (CV) of the calorimeter?a) 5.15 kJ/°C c) 5.12 kJ/°Cb) 5.08 kJ/°C d) 4.97 kJ/°C3. What is the energy content of the food?a) 22.8 kJ/g c) 25.3 kJ/gb) 4.97 kJ/g d) 0.201 kJ/g4. What would be the effect on the result if the food sample were notcompletely dried prior to being…Radionuclides in biosphere I’m doing a presentation and one of the parts of the outline is Radionuclides in biosphere, explaining what it is, how does affect the radionuclides in the biosphere, just informations of itPart of the uniqueness of water as a solvent include except