points of view, and life experiences as tools to produce a quality solution or product for the course. The variation of ideas can then allow each team member to explore ideas and approaches that they would otherwise not have thought of or considered. In essence, there is an exchange of knowledge that allows each member to complete the project with the realization that the variation of skills and knowledge has created a better solution. Each member has to assist in the shared responsibility of a group
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* Plants take up mineral nutrients from soil solution * Amounts of nutrients in solution are small * Soil solution nutrients are replenished by there in soil/solid form Table: Nutrient dynamics in the soil that affect nutrient supply to plants The intensity factor of nutrient supply is the nutrient concentration in soil solution Quantity Factors * Is the amount of nutrient adsorbed on soil surfaces that can replenish the soil solution Nutrient buffering capacity * Ability of
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CHAPTER 3: METHODOLOGY 3.1 Study Design This research is an experimental study which was conducted to investigate the effectiveness of treatment of Cassia alata as antioxidant effects in cardiovascular system of hyperglycemic rats. The antioxidant activity was tested from the leaf of Cassia alata using its aqueous extract. For this study, 30 Wistar rats weighing between 180 to 200g were used. They were housed in standard cages in a room with a 12 hour light/dark cycle and 50 to 60% relative humidity
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General Chemistry II Professor: Dr. Yang Yang Turned in: April 9, 2014 Experiment #6 The Properties of Buffers Abstract In this experiment the pH of fours solutions was recorded and identified as acidic, basic, or neutral. A buffer system of 0.10 M ammonium ion (NH4+) and 0.10 M ammonia (NH3). This buffer was made three times: once with equal parts ammonium ion and ammonia, next it was diluted to double the volume, and finally it was prepared with an addition
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Regua, R., Reinoso, L.A., Rojas, K.J., Sabalberino, E.M. Abstract In this experiment, phosphate buffer solution was prepared and the pH of the buffer and samples were determined through different liquid indicators and the pH meter. Also, the buffer capacity of the prepared buffer solution was calculated. The group was tasked to prepare a 250 mL phosphate buffer solution of pH 8.0 using dihydrogen phosphate ion (H2PO4) and primary sodium phosphate monohydrate (NaH2PO4.H2O). With the aid
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Running head: PROBLEM SOLUTION: GLOBAL COMMUNICATIONS Problem Solution: Global Communications John Smith University of Phoenix Problem Solution: Global Communications Problem-based learning allows the student to develop his or her problem-solving skills by applying them to an authentic scenario that requires them to identify a problem, apply a problem-solving approach to develop and analyze alternative solutions, and recommend and defend an optimal solution (University of Phoenix
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org/practical-biology/investigating-effect-ph-amylase-activity) Variables: Independent: The pH of the buffer solution. Dependent: The time taken for the solution to turn an opaque (lighter) blue from dark blue. Controlled: The volume of iodine solution; the volume of starch solution; the volume of buffer solutions; the volume of amylase solution; the temperature at 40°c; the time it is left in the water bath; and the concentration of the solutions. I will be using a water bath to keep the temperature constant, and to manipulate
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+ H2O ( RCOOH + HOR’ This reaction is spontaneous for almost all esters but can be very slow under typical conditions of temperature and pressure. The reaction occurs at a much faster rate if there is a significant amount of base (OH-) in the solution. In this lab experiment, the rate of this reaction will be studied using an ester called para-nitrophenyl acetate (PNA), which produces an alcohol, para-nitrophenol (PNP). Question: What is the rate of reaction for the hydrolysis of PNA? What
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click Start, and then click Control Panel. In Control Panel, double-click Display.In the Display Properties dialog box, click the Settings tab. Click Advanced. Click the Adapter tab, and then click Properties. Click the Driver tab.If those solutions fail, you will now have to go into technician
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the leader of the team and did most of the hosting and moderating. He did a good job. Were you involved in making the decisions? Why or why not? Yes, I was. Everyone’s opinion was always taken into consideration before coming up with the final solution. Was there conflict? If so, how did the conflict get resolved? Was it resolved at all? There was no conflict. To what degree did your planning include input from all members? Initially, it seemed we were all confused of the project paper
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