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."
1934806
Questions Asked
3,689
Active Tutors
1424588
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Please explain whether clinical practice guidelines exist for schizophrenia in older adults, and if so, use them to justify your recommendations.
What are the risks and benefits of the FDA-approved medicine Aripiprazole? What are the risks and benefits of the off-label drug Lamotrigine?
Please recommend one FDA-approved drug, one off-label drug, and one nonpharmacological intervention for treating schizophrenia in older adults.
A reputable academic institution just published a clinical study in a peer-reviewed journal reporting that study participants reduced serum cholesterol levels
Discuss the origins of the modern system of surveillance for disease and how the task force should consider utilizing alternative sources of data
What steps can teachers take to design an aligned lesson plan from instruction to the test? How does the alignment impact learner outcomes?
Which of the following characteristics is consistent with evidence-based practice?