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."
1937351
Questions Asked
3,689
Active Tutors
1456512
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Identify one key relationship you have currently in your life (My mom, and we have a great relationships). What is that person and how would you describe that
According to Freud's Psychosexual Development, which stage are Jeffrey's symptoms consistent with?
Question: George's behavior may be less about the specific substance and more about replacing a deeply ingrained ritual.
1. Explain the controversy that surrounds personality and paraphilic disorder. 2. Explain your professional beliefs about this disorder, supporting
Take on the perspective of someone engaged in recruitment for human trafficking (such as a trafficker, pimp, or recruiter).
Some factors that contribute to a child being accepted or rejected by their peers can be their communication skills such as how the listen and respond to peers.
Question: You may not have alignment between your personal purpose and the corporate purpose in every job.