TutorMe homepage
Subjects
PRICING
COURSES
SIGN IN
Start Free Trial
Austin D.
Tutor for 6 Years
Tutor Satisfaction Guarantee
Organic Chemistry
TutorMe
Question:

Explain why the reaction between p-nitrofluorobenze and sodium methoxide results in a para substitution of the methoxy group.

Austin D.
Answer:

Two factors contribute to the para substitution. First, the fluoro group gives additional resonance forms for substitutions occurring at the para position which stabilizes the Meischeimer Complex. Second, the C-F bond is polarized which encourages an attack of the methoxide at that carbon and the C-F polarity further stabilizes the Meischeimer Complex.

Biology
TutorMe
Question:

Explain how secondary active transport is used to bring Glucose into an intestinal absorptive cell from the lumen using a symporter.

Austin D.
Answer:

To move glucose against its concentration gradient, a simultaneous movement of Na+ along its concentration gradient can be used. To establish a concentration gradient for Na+, the sodium-potassium pump is employed, resulting in a low [Na+] within the cell. As as result, [Na+] will move along its concentration gradient as it enters the cell. If this movement is then coupled to the movement of glucose using a symporter, glucose can overcome its concentration gradient.

Physics
TutorMe
Question:

Find the period of oscillation of a square block in water following an applied force, Fapplied. Derive T, where m is the mass of the block, A is the area of one face, and x is the distance the block in pushed down into the water. Assume non-damped oscillation.

Austin D.
Answer:

T=2π/((ρH20)*(A)*(g)/(m))^1/2

Send a message explaining your
needs and Austin will reply soon.
Contact Austin
Ready now? Request a lesson.
Start Session
FAQs
What is a lesson?
A lesson is virtual lesson space on our platform where you and a tutor can communicate. You'll have the option to communicate using video/audio as well as text chat. You can also upload documents, edit papers in real time and use our cutting-edge virtual whiteboard.
How do I begin a lesson?
If the tutor is currently online, you can click the "Start Session" button above. If they are offline, you can always send them a message to schedule a lesson.
Who are TutorMe tutors?
Many of our tutors are current college students or recent graduates of top-tier universities like MIT, Harvard and USC. TutorMe has thousands of top-quality tutors available to work with you.