52 Answered Questions for the topic chemical engineering
Chemical Engineering Mechanical Engineering
An inventor claims to have developed a novel heat pump that can, when operating steadily, deliver 100 kW of heat to a building at 40°C whilst consuming 10 kW to drive the unit. Assuming that the... more
Can someone please help me with this? I have to find a solution using Wronskian and I'm having a very difficult time.
Given y1, can you find y2? Find y1y'2 - y'1y2 = W(t). Answer choices: 1. y2 = ty1 2. y2 = y1∫W(t) dt 3. y2 = y1 (c+∫(W(t)/y1^2) dt 4. y2 = y1∫(W(t)/y1) dt
Potassium Hydroxide from Potassium sulfate
HelloHope you are fineI had reacted 2 pressures:Potassium Sulfate with Ca(OH)2Potassium Sulfate with NaOHI Mixed them with enough water in atmospheric situation then separate CaSO4 and NaSo4 with... more
When a 28.4 mL sample of a 0.416 M aqueous hydrofluoric acid solution is titrated with a 0.418 M aqueous potassium hydroxide solution,
When a 28.4 mL sample of a 0.416 M aqueous hydrofluoric acid solution is titrated with a 0.418 M aqueous potassium hydroxide solution,(1) What is the pH at the midpoint in the titration? (2) What... more
Hello I am trying to create a bioplastic as a project for school. Part of this includes using a plasticizer to combine with the starch (thinking of using banana peels) but I'm not sure what... more
What can I use as a plasticizer at home? I want to use it to create my own bioplastic for a school project
Hello I am trying to create a bioplastic as a project for school. Part of this includes using a plasticizer to combine with the starch but I'm not sure what substance I can use to act as a... more
Chemical engineering project
What are some household items that can be used to create plastic polymers? I have this project for school that assigns me to create a polymer made from a chemical reaction but I'm stuck on ideas... more
I am trying to go thrgouh this question and I need someone who is chemsity expert to try to solve this problem which is related to the contrant rates
You designed a contrast agent that incorporates folate so it can bind to folate receptors. When injected intravenously (IV), this contrast agent will mark circulating tumor cells, overexpressing... more
Euler with step hand written and Matlab solution
A biological process includes the growth of biomass (B) from substrate (S). The material balances on this batch process yield:where B and S are the respective biomass and substrate concentrations.... more
How to Calculate Osmotic Pressure and Freezing Point from density and gas pressure
We are given that:The vapour pressure of water at 100C is 1atm and the vapour pressure of an aceous solution of C2H6O2, non volatile, at 100C is .0.83atm. Taking into account the density of the... more
Specific Heat of Unknown Metal Sample
An irregular lump of an unknown metal has a measured density of 5.25 g/mL. The metal is heated to a temperature of 167 °C and placed in a graduated cylinder filled with 25.0 mL of water at 25.0 °C.... more
Chemical Engineering Chemistry
Specific Heat in cal/g*degreesC
A metal object with mass 27.5g is heated to 97.0 degrees Celsius and then transferred to an insulated container containing 84.4g of water at 20.5 degrees Celsius. The water temperature rises and... more
Chemical Engineering Scientific Investigation
He discovered the solution by accident when someone left a sample of rubber and sulfur on a stove. Was this a scientific discovery?
Charles Goodyear was a scientist
How many moles contains 6 gram of carbon? -6 moles -12moles -1/2 moles -3 moles Mole=Weight in gm/Mol. Wt
What is entropy and why do we care?
I want to test if if uv rays are passing through?
I have a film I want to test for harmful uv rays but I don't want to spend thousands of rupees is there a cheap alternative for it. It is meant to be applied on car window so I want to test it... more
If a reactor has a flow rate 2800m3/hr and temp 185'c 1atm pressure,and leaving temp is 50'c ..how i get this 50'c ???by increase flow rate or anything else
PG DIPLOMA IN SOLAR RENEWABLE ENERGY
Hi, I have done my post graduation diploma in solar renewable energy and I want to know the career options and further education details.
Supercritical CO2 chamber
What equipment can I use to maintain CO2 in its supercritical state for a very small scale experiment? Even just a single chamber which can generate the right pressures and temperatures (above 31ºC... more
Supercritical CO2 for staining a brain with OsO4?
I'm trying to stain a whole mouse brain with OsO4 for imaging with electron microscopy, and I'm wondering about using supercritical CO2 to facilitate the staining.Any insight into whether this... more
Chemical Engineering Water Disinfection Problems