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Get Full Access to Chemistry: A Molecular Approach - 3 Edition - Chapter 6 - Problem 19e
Get Full Access to Chemistry: A Molecular Approach - 3 Edition - Chapter 6 - Problem 19e

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# What is calorimetry? Explain the difference between a ISBN: 9780321809247 1

## Solution for problem 19E Chapter 6

Chemistry: A Molecular Approach | 3rd Edition

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Problem 19E

What is calorimetry? Explain the difference between a coffeecup calorimeter and a bomb calorimeter. What is each designed to measure?

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Solution: The distance between two adjacent crests or troughs is called wavelength. It is denoted by the greek letter lambda() and is generally expressed in terms of Angstrom o o -10 units(A ) [1 A = 10 m] On the other hand, the number of waves which pass through a given point in one second is known as the frequency. It is denoted by the greek letter nu() and is generally expressed in -1 terms of Hertz(Hz) [1 Hz = 1 sec ] If c is the velocity of light, the the relation between wavelength, frequency and velocity of light is given by: c = x ------(1) Step1: -6 -5 -6 a) Given, wavelength of the radiation = 10 m = 10 x 10 m = 10 m [1 m = 10 m] Velocity of light, c = 3 x 10 m/sec 8 Substituting the values in equation (1), we get, 8 -5 frequency() = ( 3 x 10 m/sec) / (10 m) 13 -1 = 3.0 x 10 sec . Thus, frequency of the radiation is...

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##### ISBN: 9780321809247

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