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The enthalpy of normal liquids changes nearly linearly with temperature. Therefore, in a single-pass countercurrent heat exchanger for two normal liquids, the temperature profiles of both fluids are nearly linear. However, the enthalpy of a high-pressure gas can be nonlinearly related to temperature because the constant pressure heat capacity becomes very large in the vicinity … Read more

To clarify the problem with the van der Waals equation in regard to phase-equilibrium calculations, it is enlightening to compute the reduced vapor pressure at a reduced temperature of 0.7. Then we can apply the definition of the acentric factor to characterize the vapor pressure behavior of the van der Waals equation. If the acentric … Read more

Carbon dioxide solubility in water plays a critical role in biological physiology and environmental ocean chemistry, affects the accuracy of acid-base titrations in analytical chemistry, and makes many beverages fizzy. The Henry’s law constant for CO2 in water is listed on the NIST Chemistry WebBooka as KH = 0.035 mol/kg-bar at 298.15 K. Estimate the mole fraction of … Read more

E. coli are bacteria commonly used to express desired proteins through genetic modification because they replicate and express whatever intracellular DNA they find. Introducing foreign DNA requires weakening the cell membrane by washing twice briefly (~10 min.) with pure water at 4°C, followed by a wash with 10wt% glycerol solution, centrifuging to isolate the cell … Read more

An equimolar ternary mixture of acetone, n-butane, and ammonia at 1 MPa is to be flashed. List the known variables, unknown variables, and constraining equations to solve each of the cases below. Assume MAB solution thermodynamics and write the flash equations in terms of K-ratios, with the equations for calculating K-ratios written separately. (Hint: Remember … Read more

Red blood cells have a concentration of hemoglobin (Mw ~ 68000) at 0.3 M. The osmotic pressure a body temperature (37°C) is 0.83 MPa. Water can permeate the cells walls, but not hemoglobin.24 (a) Using only the second osmotic coefficient, determine the coefficient value (L/g), and determine the activity of water at the conditions given … Read more

Transitioning to professional practice is a critical phase for the novice Registered Nurse. Managing professional role requirements, organisational technologies and team dynamics while on shift can be challenging. This is often accompanied by changed personal circumstances, with graduates balancing shift work, working full time and socialisation with friends and family. The case study below highlights … Read more

need a completed solution to the following attachment. My solution for all 3 Qs has not worked and i need this submitted and complete ASAP Assessment: Assignment 3 Due: 12 October 2020 Marks: 300 Value: 30% 1 Question 1 (100 marks) 1.1 Introduction In some data analysis, one only considers the function value at each … Read more

Bachelor of Business/Bachelor of Accoun1ng/Bachelor of Informa1on Technology Unit Code: IMCO211 Unit Title: Integrated Marke1ng Communica1on Type of Assessment: Assessment 4 – Case Study and Self Reflec1ve Summary Length/DuraDon: Case Study – 1500 words Self Reflec1ve Summary – 1000 words Unit Learning Outcomes addressed: 1) Understand the conceptual framework of integrated marke1ng communica1ons; 2) Analyse … Read more

Digital Marketing Subject Code MKT103A Assessment Title Case Study Learning Outcome/s (found in the Subject Outline) b) Indicate the importance of digital media in today’s marketing and communication planning c) Explain ethical issues and social responsibility in digital marketing Assessment type (group or individual) Individual Weighting % 35% Word count 1000 words +/- 10% excluding … Read more