The molecule pentaborane(9) (mol. mass 63.14) was once thought to be a candidate for rocket fuel. It spontaneously reacts with O2(g) as shown below to generate high temperatures and expanding gaseous products. 2 B5H9(g) + 12 O2(g) → 5 B2O3(s) + 9 H2O(g) What pressure would build up in a 500. mL storage tank if 5.00 g of pentaborane reacted with excess O2(g) that leaked into the tank and the temperature increased to 400. °C?

Ideal gas equation mostly applied in conditions where an unknown state variable is to be determined.…

Answered: The molecule pentaborane(9) (mol. mass…

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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The molecule pentaborane(9) (mol. mass 63.14) was once thought to be a candidate for rocket fuel. It spontaneously reacts with O₂(g) as shown below to generate high temperatures and expanding gaseous products.

2 B₅H₉(g) + 12 O₂(g) → 5 B₂O₃(s) + 9 H₂O(g)

What pressure would build up in a 500. mL storage tank if 5.00 g of pentaborane reacted with excess O₂(g) that leaked into the tank and the temperature increased to 400. °C?

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