INQUIRY INTO PHYSICS-EBOOK
INQUIRY INTO PHYSICS-EBOOK
8th Edition
ISBN: 9780357540039
Author: Ostdiek
Publisher: CENGAGE L
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Chapter 10, Problem 29Q
To determine

To describe: The spectrum produced by ionized hydrogen

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1.1) A star has a radius of three times the Sun's radius, and an average number density of ions a factor of 1.75 higher than that of the Sun. How much time does it take on average for photons to travel across this star compared with the Sun?
An atom has its electron in the energy level at - 1.2 eV. It absorbs a photon, which promotes the election to the -0.4 eV level. What is the wavelength (in meter) of this photon. Round off the answer to 2 decimal places with scientific representation.
Question 6. a) Photons of incoming radiation have an energy of E = 2500 kl/mol. Calculate the wavelength (in nm) of those photons. b) Would photons from part (a) be able to ionize a Be3+ ion if the electron is found in n=3? Show a calculation to support your answer. c). Consider the following balanced combustion reaction: C7H16(1) + 11 O2(g) 7 CO2(g) + 8 H2O(g) A:H°= -1160 kJ/mol If the density of C7H16(1) is 0.68 g/mL, how much heat (in J and scientific notation) is released if 125 mL of C7H16(1) undergoes complete combustion?

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INQUIRY INTO PHYSICS-EBOOK

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