Calculate porphyrin molecule lowest energy absorption
Calculate porphyrin molecule lowest energy absorption if length of molecule is 1000 pm as approximated by porphyrin molecule being planar and the pi electrons being confined inside a square
Expected delivery within 24 Hours
How many grams of sodium lactate must be added to a 1.00L solution of .400M lactic acid to make a buffer with a pH of 3.7 ?
Assume complete dissociation of the compound. What will be the boiling point of a solution of 4 moles of potassium phosphate (K3PO4) dissolved in 4 kg? Use the following values:
Which compound reacts with 3 mols of HIO4 to yield 2 mols of HCO2H and 2 mols of HCHO? 20. Which of the following would yield D-glucose and D-mannose when subjected to a Kiliani-Fischer synthesis?
An unknown solid mixture containing benzoic acid,copper(II)sulfate and sand. She added 15mL.of acetone to her sample. Which component of the mixture dissolved in the acetone?
What is the final concentration of NaOH when 50.0 mL of .200 M NaOH is added to 50.0 mL of 0.500 M NaOH?
An antacid tablet containing magnesium hydroxide as an active ingredient requires 22.6 mL of 0.597 M HCl for complete neutralization. What mass of Mg(OH)2 did the tablet contain?
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas. What is the change in internal energy of the gas during this process?
What impact has social media had on your financial decisions and how could credit unions utilize these tools to help you with your financial goals?
1930942
Questions Asked
3,689
Active Tutors
1434525
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which of the following describes the withholding of basic food, clothing, and shelter from an aged victim by a caretaker?
Problem: Educational psychology stresses that both teachers and parents are experts in different areas of a child's life.
Mental Health Disability in Children Focus on conditions like ADHD, autism, or anxiety. Discuss how early diagnosis impacts learning, social development
Using relevant psychological theories, discuss how these three factors interact to shape an individual's personality and behavior.
The purpose of this assignment is to gain a deeper understanding of how a monopoly can be created by government policy as well as
"In her brief yet powerful vignette "Salvador Late or Early," Sandra Cisneros crafts a portrait of a young boy burdened with adult responsibilities
What has your experience been with patient involvement in treatment or healthcare decisions?