what is the ideal HLB value for a surfactant to emulsify the paraffin mixture into an o/w emulsion

what is the ideal HLB value for a surfactant to emulsify the paraffin mixture into an...
Span 125 has a HLB value of 7.4 Tween 128 has a HLB value of 17.0 The required HLB of a high grade mineral oil is 9.2. What percentage of span 125 is required to give a stable emulsion? Give your answer to the nearest whole number %. Do not include percentage sign. Only round the numbers at the end of the calculation Answer:
12 Study the following phase diagram for an ideal mixture of two liquids A and B and answer the questions that follow: 102 94 81 Pressure/kPa 66 50 43 40 I DET 0 0.2 0.4 0.6 0.81 XA What is the vapour pressure for the pure compound B. 12.1 Page 2 of 4 [2 marks] 12.2 Determine the value for Xin a mixture of composition x = 0.30. [2 marks] 123 At what pressure will a mixture of composition X095...
Part A Two liquids, labeled A and B, form an ideal mixture with total vapor pressure P = 324.4 torr at a certain composition. At the same temperature, pure liquid A has a vapor pressure of 230 torr, while pure liquid B has a vapor pressure of 380 torr. What is the mole fraction XA of liquid A in this mixture. O 0.183 O 0.420 0.556 O 0.037 0.371
An ideal-gas mixture consists of 3 kmol of N2 and 9 kmol of CO2. What is the mass fraction of CO2 in the mixture? Solve using appropriate software. Use the table containing the molar mass, gas constant, and critical-point properties.
Thermodynamics- Gas mixture compression
An ideal gas mixture at P1 and T1 is compressed in a piston
cylinder assembly first isothermally to P2 and then isentropically
(reversible and adiabatic) to T3. Assuming variable specific heats
(use ideal gas tables) determine the following given the properties
listed below.
--Given Values--
m_O2 (kg) = 0.38
m_N2 (kg) = 0.34
T1 (K) = 650
P1 (bar) = 1.32
P2 (bar) = 2.52
T3 (K) = 738
1. Determine the pressure (bar) at state...
soap making lab organic chem 2
Post Lab Questions 1. What is an emulsion? Which mixture was the better at maintaining an emulsion, Olland or soap, oil and water? Explain why on a molecular level. 2. How can soap remove oil or dirt from clothes? 3. What was the role of the ethyl alcohol that was originally added to the reaction mixture 4. Explain chemically what happens when soap is added to hard water and the problems can occur when...
An ideal gas mixture contains 4 moles of carbon dioxide and 8 moles of nitrogen. The mixture is compressed adiabatically from100kPa and 20°C to 0.5 MPa. What is the final temperature of the gas mixture?
5 An ideal-gas mixture consists of 3 kmol of N2 and 5.5 kmol of CO2. What is the mass fraction of CO2 in the mixture? Solve using appropriate software. Use the table containing the molar mass, gas constant, and critical-point properties. 10 points Multiple Choice eBook Print 0.333 References 0.241 0.742 0.500 0.667
EXAMPLE 6-11 Applying the Ideal Gas Equation to a Mixture of Gases What is the pressure, in bar, exerted by a mixture of 1.0 g H2 and 5.00 g He when the mixture is confined to a volume of 5.0 L at 20 °C? Analyze For fixed T and V, the total pressure of a mixture of gases is determined by the total number of moles of gas: Ptot = ntotRT/V. Solve ntot = (1.0g Hz x 1 mol Hy)...
An ideal gas mixture contains 4 moles of carbon dioxide and 8 moles of nitrogen. The mixture is compressed adiabatically from100kPa and 20°C to 0.5 MPa. What is the final temperature of the gas mixture? Use second law word, entropy change.