Given the following reactions, what is the overall enthalpy for the following re

Question

Given the following reactions, what is the overall enthalpy for the following reaction? NH_r(g) + HCl(g) rightarrow NH_ Cl(g) -38 kJ -176 kJ -352 kJ -445 kJ -454 kJ Which of the following gases will escape through a hole in a balloon at the highest rate? Kr Ar N_2O NO_2 NO The atmospheric pressure in the eye of a hurricane is found to be 26.6 in. of mercury, which is equivalent to ___ 760 mmHg. 1.00 times 10^3 Pa 0.889 atm 0.987 bar. 0.785 atm. A sample of neon gas at 745 torr and 60.0 L is compressed to 14.5 L. If the temperature remains constant, what is the final pressure of the gas? 1.17 torr 180 torr 3080 torr 761 torr 792 torr A sample of nitrogen gas has a volume of 20.0 L at 2.00 atm and 35.0 degree C. If the pressure is increased to 5.00 atm and the temperature decreases to 25.0 degree C, what volume does the gas occupy? 0.00218 L 11.2 L 8.27 L 7.74 L 459 L Suppose 2.4 moles of xenon diffluoride vapour at 550.00 degree C and 16.2 atm in a 10.0 L tank decompose completely to form xenon gas and fluorine gas, which are then allowed to cool to 25.00 degree C. What is the final pressure? XeF_z(g) rightarrow X_e(g) + F_ (g) 11.7 atm 5.87 atm 1.47 atm 44.7 atm 89.5 atm A 1.50 mol sample of He occupies a volume of 2.50 L at a pressure of 14.7 atm. What will be the pressure of a 1.50 mol sample of H_2 gas under the same contitions? 7.33 atm 14.7 29.4 atm 1.00 atm 24.5 atm What is the density of sulphur hexafluoride (SF_6 146.1 g/mol) in a cylinder at 1.5 atm and 22 degree C? 0.83 g_L 9.1 g_L 0.062 g_L 0.11 g_L 16 g_L

Explanation / Answer

As you mentioned not to explain each answers, I have mentioned letters.

Answers:

8) b = -176 kJ

9) e = NO

10) c = 0.889 atm

11) c = 3080 torr

12) d = 7.74 L

15) b = 9.1 g/L

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