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- Select the phenomenon that is being described by each statement a. Breaking b. Agglomeration c. Coalescence d. Ostwald ripening e. Creaming f. Aggregation g. Flocculation Which observes the clustering of individual dispersed droplets? Which observes the separation of phases due to the fusion of globules? Which annihilates the film surrounding the particles in an emulsion? Which process is described as the coming together of particles? Which causes the rise of dispersed particles to the surface of an emulsion? What process is described as the deposition of small particles on larger particles? Which observes the quick separation of the two liquids to their original state?1. Why do certain components move further on the stationary phase than others? 2. Why was it important to have a wick and to keep the beaker covered with foil while the samples were developing?Is the separation 100% complete after evaporation process? Explain.
- From the practical standpoint, is it better to use a "good" solvent or a "poor" solvent when measuring polymer molecular weight? Explain.In which option is the order showing whether the questions given below are true or false? ( ) Airborne humectants are generally called hygroscopic substances. ( ) Removing water from solids can be done by heating your sample in the oven just below its melting point. ( ) Drying capacity is a measure of the drying efficiency of the dryer. ( ) Drying intensity is the amount of water held by 100 grams of dryer. ( ) For the phenomenon called "blooming" to occur, the vapor pressure of the hydrate system must be higher than the partial pressure of water in the air. A. Right, Wrong, Right, Wrong, RightB.Right, Right, Wrong, Wrong, RightC.Right, Wrong, Wrong, Wrong, RightD. Right, Wrong, Wrong, Right, RightE.Right, Right, Wrong, Wrong, RightThe purpose of fluting filter paper. ( not more than 5 sentences)
- Why viscosity of fluid affect the capillarity height?Volumetric pipettes are designed to deliver a precise amount of liquid, but only if you a. submerge the end of the pipette into a solution you are delivering. b. allow the pipette to drain freely, and leave any residual solution in the pipette. c. hold the pipette at a 45 degree angle and ensure that all the liquid is delivered.A supporting electrolyte is usually added to the analyte solution to minimize solution resistance.minimize solution conductivity.make the analyte less soluble in solution.increase the scan rate.
- Chemistry How to increase storage and shelf life of ready to drink bottled sorghum porridge using stabilizers ( state names of stabilizers to use and the amounts to add) or any other ingredients to use so that sedimentation or settling of dispersed particles is prevented without hindering the taste of the porridge so that the porridge can be sold in the market?Step-by-step on paper solution please.Sublimation is preferred for small scale purification as compared to crystallization because there is little loss of material during transfer True, sublimation guarantees a 100% yield False, the crystallization process is better because it yields a much purer product especially in small scale purification processes True, sublimation has less loss of material because the process has no intermediate liquid stage False, sublimation is better for large scale purification processes.