Question: Calculate E in kJ/mol if the electron falls from n = 2 to n = 1 (known as a 21 transition). A. -1 B. -984

Calculate ΔE in kJ/mol if the electron "falls" from n = 2 to n = 1 (known as a 2→1 transition).
A. -1
B. -984
C. 984
D. 1

Step by Step Solution

★★★★★

3.49 Rating (146 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

calculate DE in kamol 9f the electron fall 8 from n2 n1 Known as 2 1 transition a a 984 ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

Q:

How would the companys cash needs change for the company in Examples 14-1 to 14-5 if they subcontracted out $25,000 of labor per month for $26,000 per month on the first project for the months of...

Q:

If 1 mol of solid CBr4 is mixed with 2 mol of CCl4, what is the boiling point of this solution?

Q:

A mixture of 2 mol of CO2 and 1 mol of O2 is heated to 3200 K at a pressure of 2 atm. Determine the equilibrium composition of the mixture, assuming that only CO2, CO, O2, and O are present.

Q:

A mixture of 1 mol of H2O, 2 mol of O2, and 5 mol of N2 is heated to 2200 K at a pressure of 5 atm. Assuming the equilibrium mixture consists of H2O, O2, N2, and H2, determine the equilibrium...

Q:

Consider the following: Li(s) + 1/2 I2(g) LiI(s) H = 292 kJ. LiI(s) has a lattice energy of 753 kJ/ mol. The ionization energy of Li(g) is 520. kJ/ mol, the bond energy of I2(g) is 151 kJ/ mol, and...

Q:

Please help B-14 2. There are lines that do not come close to matching any of the calculated lines in Table I. What are these lines likely due to? (0.5 mark) II. Flame Tests The energy of particles...

Q:

['J In the Bohr model, the Paschen series of spectral lines is caused by radiation absorbed or emitted as an electron transitions between the 2mi excited state and any higher excited state {3rd...

Q:

Calculate the three lowest energy levels in eV for an electron conned in an innite well of length a = 1.00 x 10' 10 In (about the diameter of a hydrogen atom in its ground state.) Answer: E1 = 37.7...

Q:

An electron is excited from the ground state to the n = 3 state in a hydrogen atom. Which of the following state-ments are true? Correct any false statements. a. It takes more energy to ionize...

Q:

According to the Bohr model, what determines the shortest wavelength in a given series of wavelengths emitted by the atom? (a) The quantum number ni that identifies the higher energy level from which...

Q:

(a) Use the particle-in-the-box model for the helium atom and treat the electron as a particle in a one-dimensional box of length 100. pm to predict the wavelength of radiation emitted when the...

Q:

On reducing the wavelength of light incident on a metal, the velocity of emitted photoelectrons will become A) Zero B) Less C) More D) Remains Unchanged

Q:

Instructions Enter your name and Access ID ('aa1234' format) in the cells above. The data required for this case will not appear until you do so. You are a financial manager for Zoom Corp., which...

Q:

Calculate the derivative of the function. h ( x ) = 3 . 7 x 2 7 1 3 . 7 x 7 2 h ( x ) =

Q:

Suppose we are thinking about replacing an old computer with a new one. The old one cost us $1,300,000; the new one will cost, $1,560,000. The new machine will be depreciated straight-line to zero...

Q:

The debate regarding CFLs versus incandescent bulbs (see Problems 25-27) has even more wrinkles. In no particular order: 1. Incandescent bulbs generate a lot more heat than CFLs. 2. CFL prices will...

Q:

The previous two problems suggest that using CFLs is a good idea from a purely financial perspective unless you live in an area where power is relatively inexpensive, but there is another wrinkle....

Q:

McGuire Corporation is planning to acquire a corporate jet to increase the efficiency and security of its executives who will use the jet for both business trips and personal vacations. McGuire...

Q:

Mary Kelly is a scholarship soccer player at State University. During the summer, she works at a youth all-sports camp that several of the university's coaches operate. The sports camp runs for 8...

Q:

Toni is spear fishing. It seems that the spear moves over when it is thrust into the water. How is this explained? Relativity Theory Hooke's Law Faraday's Law Snell's Law

Q:

Let A be an m ( n matrix and B a nonsingular m ( m matrix. Prove that NS(B A) = NS(A).

Q:

For each of the following matrices, find a matrix of the form described in Theorem 2.12 that is equivalent to the given matrix: (a) (b) (c) (d) 43323 12412 21101 15225 113 231 122 123 231 123 2135...

Q:

(a) Show that if A is an upper triangular matrix, then AT is lower triangular. (b) Show that if A is a lower triangular matrix, then AT is upper triangular.

Q:

=+c. Does the upper limit of the interval in part (a) specify a 95% upper confidence bound for the proportion being estimated? Explain.

Q:

=+b. Estimate the true average difference in peak ER and IR velocities in a way that conveys information about reliability and precision. Interpret the resulting estimate.

Q:

=+80. As reported by the Pew Research Centers Social and Demographic Trends Project in September 2012, a survey of 6500 American households revealed that