Calculate the number of theoretical plates needed
Two compounds with partition coefficients of 15 and 18 are to beseparated on a column with Vm/Vs = 3.0 andtm=1 min. calculate the number of theoretical plates needed to produce a resolution of 1.5.
Expected delivery within 24 Hours
Suppose 550 g of aluminum which has been heated to 150 C is added to 100 g of water which is at a temperature of 25 C. What is the equilibrium temperature for this mixture?
How many electrons must be removed from each of two 4.3-kg copper spheres to make the electric force of repulsion between them equal in magnitude to the gravitational attraction between them?
An infinitely sharp zone of solute is placed at the center of acolumn at time t = 0. After diffusion for time t1, the standard deviation of the Gaussian band is 1.0mm
Decide if the following random variable is discrete or continuous. Explain your reasoning a) The number of hours spent sleeping each day b) The number of fish caught during a fishing tournament.
A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river. If the rectangular barge is 3.50 m by 24.0 m and sits 0.600 m deep in the harbor, how deep will it sit in the river?
How many possible y components are there? Determine the equation of the streamline for the simplest y component of velocity. Plot the streamlines.
A gas evolved during the fermentation of sugarwas collected. After purification its volume was found to be25.0 L at 22.5°C and 702 mmHg. How many grams of gas were collected?
A solid sphere of radius a=10cm is concentric with a spherical conducting shell of inner radius b=20cm and outer radius c=24cm. The sphere has a net uniform charge q1=+10μC; and conducting shell has a net charge q2=-10μC. Please calculate th
1928902
Questions Asked
3,689
Active Tutors
1427867
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
In our readings, we learn more about the nature versus nurture argument. For this discussion, I want you to go in depth a bit more and debate the importance
Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Adler believed that your birth order determines, to a large extent, your personality. He stated that your traits reflect, somehow, how you have achieved
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative