Using the equationE = (hcRH)E4=(1)2calculate the energy of an electron in the hydrogen atom when 72=Express your answer in joules to three significant figures.ΠΨΕΙ ΑΣΦSubmitxª1=(-2.18 x 10-18× J) (-/-)nX√xVxbXb- 1.36 10.-19XPrevious Answers Request Answer|X|TH?X-10"JX Incorrect; Try Again; 2 attempts remainingSubstitute 7 = 4 into the given equation and solve it for E4. Since the proportionality constant (-2.18 × 10-18) has a negative valueand the principal quantum number is always positive, your answer will have a negative value.

From given equation there is need to find energy of electron when it is in orbit (n) = 4

Using the equation E = (hcRH) ()=(-2.18 x Xb calculate the energy of an electron in the hydrogen atom when n = 4. Express your answer in joules to three significant figures. ΠΨΕΙ ΑΣΦ − (−2.18 × 10–¹8 • درات EA-1.36 10. 16 J) (17) √xxx x IXI 19 Submit Previous Answers Request Answer 1920 X-10h ESSEN J X Incorrect; Try Again; 2 attempts remaining Substitute n = 4 into the given equation and solve it for E4. Since the proportionality constant (-2.18 × 1 and the principal quantum number is always positive, your answer will have a negative value.

Using the equation E = (hcRH) ()=(-2.18 x Xb calculate the energy of an electron in the hydrogen atom when n = 4. Express your answer in joules to three significant figures. ΠΨΕΙ ΑΣΦ − (−2.18 × 10–¹8 • درات EA-1.36 10. 16 J) (17) √xxx x IXI 19 Submit Previous Answers Request Answer 1920 X-10h ESSEN J X Incorrect; Try Again; 2 attempts remaining Substitute n = 4 into the given equation and solve it for E4. Since the proportionality constant (-2.18 × 1 and the principal quantum number is always positive, your answer will have a negative value.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

18. (a) What did Ernest Rutherford observe during his experiments? (b) What did Niels Bohr observe during his experiments? (c) How did the work of each scientist contribute to the development of the planetary model of the atom? Explain your ideas in at least four (4) sentences.
Planck's constant h = 6.6256 x 10-34 J-sec; speed of light c = 2.9979 x 108 m/s For electromagnetic radiation with a wavelength of 376.6 nm: (a) What is the frequency of the radiation (in s-')? (b) What is the energy (in J) of one photon of the radiation? (c) What is the energy (in kJ) of one mole of photons of the radiation? 1.
A photon with an energy of 1.01 x 10-16 Joules has what frequency, in Hz? Express your answer to the correct number of significant figures, in scientific notation and include units with your answer.
The electronvolt (eV) is a common energy unit. A single decay of a plutonium (Pu, atomic number 94) nucleus releases 2.10 × 108 eV of energy. Convert this energy to J and round your answer to the correct number of signiﬁcant ﬁgures. Consider 1 eV = 1.602176634×10−19 J (Joules) exactly.
6. An electron starts from rest 24.5 cm from a fixed point charge with Q = - 6.50 nC (-6.50 x 10 °C). How fast will the electron be moving when it is very far away. Mass of electron m =9.11 x 10-31 kg and charge of the electron is e = -1.6022 x 10-19 C.
The equation for photon energy, E, is E = hc X where h = 6.626x10-34 J·s (Planck's constant) and c = 2.99x108 m/s (the speed of light). What is the wavelength, A, of a photon that has an energy of E=3.35x10-1⁹ J? Express your answer numerically in meters. View Available Hint(s) λ = Submit VE ΑΣΦ Previous Answers ? m
HW 2-7 In hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is 5.29 x 10-11 m. (a) Find the magnitude of the electric force exerted on each particle. (b) If this force causes the centripetal acceleration of the electron, what is the speed of the electron? the Bohr theory of the
determine The energy of a radio station with a frequency of 107.1 MHz. ( 7.10x10^26 J )
An electron of mass (9.11 x 10-²⁸g) moves at nearly the speed of light. Using a velocity of (3.00 x 10⁸ m/s), calculate the wavelength of the electron. Planck's constant (h) - 6.6262 x10-³⁴ J/s (J-kg. m2)
▾ Part A Using the equation E = (hcRH) E₂ = 2 n Submit calculate the energy of an electron in the hydrogen atom when n = 2. Express your answer in joules to three significant figures. = (-2.18 x 10-18 J) ΤΟ ΑΣΦ -18 J) (-2) ΑΣΦΑΛΗ Request Answer Ú? J
An electron relaxes from the n = energy. Calculate the energy, in Joules, associated with this energy transition. If the transition is exothermic be sure to include the appropriate sign. (5.0000x10^0) energy level to the n = (2.00x10^0) Use the equation: - 2. 18x10-18 J ( -) ΔΕ - n²f n²i This is for administrative purposes only. Rydberg Constant = (2.1800x10^-18) Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: х10
The electron microscope has been widely used to obtain highly magnified images of biological and other types of materials. When an electron is accelerated through a particular potential field, it attains a speed of 6.74 x 106 m/s. The mass of the electron is 9.11 x 10-31 kg. Planck's constant has the value h = 6.63 x 10-34 J-s. What is the characteristic wavelength of this electron?