23489 16. How many pi bonds are in the following molecule? H3 C - CH = CH - C= N: A) B) D) E) How many moles are in a gas sample occupying 0.500 L at 170 mmHg and 25°C? A) B) C) 7. 0.00457 0.00500 2.18 3.48 E) 3.85 At 25°C and 1.00 atm pressure, it is found that 2.24 L of gas weighs 3.11 g. Its relative molecular mass is: A) B) C) D) E) 3.11 g 28.5 g 31.1 g 34.0 g 37.1g Identify the phase transition that occurs when NH,Cl solid turns to NH3 gas as it is heated. Deposition Sublimation A) B) Vaporization Freezing D)

23489 16. How many pi bonds are in the following molecule? H3 C - CH = CH - C= N: A) B) D) E) How many moles are in a gas sample occupying 0.500 L at 170 mmHg and 25°C? A) B) C) 7. 0.00457 0.00500 2.18 3.48 E) 3.85 At 25°C and 1.00 atm pressure, it is found that 2.24 L of gas weighs 3.11 g. Its relative molecular mass is: A) B) C) D) E) 3.11 g 28.5 g 31.1 g 34.0 g 37.1g Identify the phase transition that occurs when NH,Cl solid turns to NH3 gas as it is heated. Deposition Sublimation A) B) Vaporization Freezing D)

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...

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