AvapH dT T(Vg – Vi) AvapH AvapH AvapH RT T P dP TVg RT2 Supposing that the vaporization enthalpy is independent from the temperature, integrate this relation between (T, P) and (Tvap, P).
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- Separation of the single phase solid from single phase liquid line region is done byPolycarbonate, PC, is used for aircraft canopies. A batch of this polymer was found to fail prematurely when impacted by a 4 pound bird during qualification studies. You suspect that the problem is due to a molecular weight difference for this particular batch of polymer compared to previous batches. You decide to perform dilute solution viscosity studies to determine the Mol.wt. Assume density is 1.2g/cm3 What solvent would you use? Justify your answer Please answer very soon will give rating surelyAn Ostwald viscometer was used to determine the time of flow of syrup at 20 °C. Data for Water:Time of flow: 0.23 secondsDensity at 20 °C: 0.998 g/cm³Viscosity: 0.0101 poiseData for Syrup:Time of flow: 1.42 secondsDensity at 20 °C: 1.153 g/cm³ Input all numerical answers to the 3rd decimal place 1. What is the viscosity of syrup? * 2. From the computed viscosity of syrup, what will be its fluidity? 3. What is the kinematic viscosity of water? 4. From the computed viscosity of syrup, what will be its kinematic viscosity? 5. What is the fluidity of water?
- PLEASE ANSWER THEM ALL IN ASAP FOR AN UPVOTE. I PROMISE THAT. THANKYOU. An Ostwald viscometer was used to determine the time of flow of honey at 20 °C. Data for Water:Time of flow: 0.23 secondsDensity at 20 °C: 0.998 g/cm³Viscosity: 0.0101 poise Data for Honey:Time of flow: 20.79 secondsDensity at 20 °C: 1.426 g/cm³ a.) What is the viscosity of honey? b.)From the computed viscosity of honey, what will be its kinematic viscosity? c.) From the computed viscosity of honey, what will be its fluidity?Referring to the Al-Si Eutectic diagram discussed on the Phase Diagrams-Lever Rule handout, calculate the mass fraction of the phase, silicon, given a sample with 51.7 wt% aluminum at 576.99 ˚C.An Ostwald viscometer was used to determine the time of flow of syrup at 20 °C. Data for Water:Time of flow: 0.23 secondsDensity at 20 °C: 0.998 g/cm³Viscosity: 0.0101 poiseData for Syrup:Time of flow: 1.42 secondsDensity at 20 °C: 1.153 g/cm³ 1. What is the fluidity of water? 2. From the computed viscosity of syrup, what will be its kinematic viscosity? 3. From the computed viscosity of syrup, what will be its fluidity? 4. What is the viscosity of syrup? 5. What is the kinematic viscosity of water?
- Kindly watch the experiment around 15:38 LINK: https://www.youtube.com/watch?v=oTT46EzBJ2Y Procedure: Using a pipette, allow 10ml to flow, taking the time for the pipette to empty. Repeat using 10ml each of hot water, 10% sugar, alcohol, and normal saline solution. What is the effect of heat on viscosity? The effect of non-electrolytes and highly ionized salts on viscosity?An ostwald viscometer was used to determine the time of flow of syrup at 20°C Data of water: Time of flow: 0.23 sec Density at 20°C: 0.998 g/cm3 Viscosity: 0.0101 poise Data of Syrup: Time of flow: 1.42 sec Density at 20°C: 1.153 g/cm3 1. What is the fluidity of water? 2. What is the Viscosity of syrup? 3. From the computed Viscosity of syrup, what will be its kinematic Viscosity? Show complete solution.10.11/ A 1.5-kg specimen of a 90 wt% Pb-10 wt% Sn alloy is heated to 250°C (480°F), at which temperature it is entirely an a-phase solid solution . The alloy is to be melted to the extent that 50% of the speci- men is liquid, the remainder being the a phase. This may be accomplished either by heating the alloy or changing its composi- tion while holding the temperature con- stant. (a) To what temperature must the speci- men be heated? (b) How much tin must be added to the 1.5-kg specimen at 250°C to achieve this state? 10.15) A magnesium-lead alloy of mass 5.5 ka consists of a solid a phase that has a compo- sition that is just slightly below the solubility limit at 200°C (390°F). (a) What mass of lead is in the alloy? (b) If the alloy is heated to 350°C (660°F). how much more lead may be dissolved in the a phase without exceeding the solubility limit of this phase? 10.27 A hypothetical A-B alloy of composition 55 wt% B-45 wt% A at some temperature is found to consist of mass…
- Calculate the surface excess of solute given the following data:Molar concentration in bulk solution as prepared:0.100 mol dm-3Molar concentration in bulk solution as determined:0.981 mol dm-3Total volume of solution: 100 cm3Radius of beaker containing the solution: 2.50 cmThe thermal conductivity of carbon dioxide at 0 ºC is 0.0145 J K-1m-1 s-1. Estimate the diameter of the molecule knowing that Cp,M= 66 Jmol-1 K-1. Solution: 4.23 Å1.Calculate the mass of the liquids collected in surface tension determination. 2. Calculate the average drop mass by dividing the mass of liquid collected with the number of drops. 3. Calculate the drop volume using Eqn 3b-4.The literature values of the density of water and ethanol can be seen in Table 3b-5. Assume that the temperature is 30°C. 4. Before computing for the surface tension, determine the correction factor (f) at r/v1/3 , where r is the outer radius of the burette tip, using Table 3b-4. To locate f in the table, use the following example as guide: If r/v1/3 = 0.32, then find what values in the row and column headings will make a sum of 0.32. In this case, 0.3 (row) plus 0.02 (column) equals 0.32. Thus, f = 0.72313. 5. Finally, calculate the surface tension using Eqn 3b-3: