230times106 atoms are excited to an upper energy level at
2.30×106 atoms are excited to an upper energy level at t=0s. At the end of 10.0ns, 80.0% of these atoms have undergone a quantum jump to the ground state.
A) How many photons have been emitted?
B) What is the lifetime of the excited state?
Expected delivery within 24 Hours
Draw the lewis structures for these ions, and show which atom in each bears the formal charge. a.) CH3NH3+ b.)CO3,2- c.) OH-
What is the final concentration of a BSA solution made from 400 uL of stock BSA solution (initial concentration 500 mg/mL) diluted with 1600 uL of water
Planet Z is 7000km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2, What is the free-fall acceleration
Calculate the rate of return on each of the four annuities Joan is considering. Given Joan's stated decision criterion, which annuity would you recommend?
2.30×106 atoms are excited to an upper energy level at t=0s. At the end of 10.0ns, How many photons have been emitted
You switch from a 1.40NA 60x oil immersion objective to a 0.5NA 20x air immersion objective. What is the acceptance angle (in degrees) for the oil immersion objective
Consider two particles with masses that differ by a factor of 325. what is the ratio of their kinetic energies
Examine the structural and cultural causes of food waste across the various sectors of food systems. What strategies and policies are needed to reduce food waste and what are the challenges in implementing them?
Develop a searchable question using the PICOT format and prepare for the capstone project by listening to the audio interview, "Capstone."
1960605
Questions Asked
3,689
Active Tutors
1452316
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
34 year old female with long term history of Crohn's disease is experiencing abdominal pain, leucocytosis, fever, and diarrhea.
Provide ways of how Prevention of esophageal cancer is best accomplished. Select all that apply:
A 45-year-old female is diagnosed with cholecystitis. She describes severe sharp pain that comes and goes in the right upper quadrant
69 year old male with long time history of Diabetes Mellitus II is starting to experience significant vision decline and occasional blurred vision
Your patient has been treated on and off for symptoms of GERD. A recent esophagogastroduodenoscopy (EGD) reveals esophagitis.
Problem: Write a paragraph about Nutrition: What is the nutrient composition of banana leaves?
Problem: You are evaluating a patient who complains of abdominal pain that occurs within 2 hours after eating.