25. List the substances BaCl2, H2, CO, HF, and Ne in order A increasing boiling points. (A) BaCl2 < H2 < CO < HF < Ne (B) H2 < HF < CÓ < Ne < BaCl2 (C) H2 < Ne < CO < HF < BaCl2 (D) Ne < HF < CO < H2 < BaCl2 (E) The correct answer is not shown. 26. Calculate the enthalpy change upon converting 1.970 mol of ice at -23.60°C to steam at 115.60 °C under a constant pressure of 1 atm. The specific heats of ice, liquid water, and steam are 2.03, 4.18, and 1.84 Jg-1 K-1, respectively. For H20, AHFUS %3D 6.01 kImol-1 and AH 40 67kImol-1
25. List the substances BaCl2, H2, CO, HF, and Ne in order A increasing boiling points. (A) BaCl2 < H2 < CO < HF < Ne (B) H2 < HF < CÓ < Ne < BaCl2 (C) H2 < Ne < CO < HF < BaCl2 (D) Ne < HF < CO < H2 < BaCl2 (E) The correct answer is not shown. 26. Calculate the enthalpy change upon converting 1.970 mol of ice at -23.60°C to steam at 115.60 °C under a constant pressure of 1 atm. The specific heats of ice, liquid water, and steam are 2.03, 4.18, and 1.84 Jg-1 K-1, respectively. For H20, AHFUS %3D 6.01 kImol-1 and AH 40 67kImol-1
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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Need help with question 26
Transcribed Image Text:(E) Water droplets that collect on a waxed automobile hood take
on a flat shape.
0mL 25. List the substances BaCl2, H2, CÓ, HF, and Ne in order a
increasing boiling points.
(A) BaCl2 < H2 < CO < HF < Ne
(B) H2 < HF < CO < Ne < BaCl2
(C) H2 < Ne < CÓ < HF < BaCl2
(D) Ne < HF < CO < H2 < BaCl2
(E) The correct answer is not shown.
26. Calculate the enthalpy change upon converting 1.970 mol of
ice at -23.60°C to steam at 115.60 °C under a constant pressure
of 1 atm. The specific heats of ice, liquid water, and steam are
2.03, 4.18, and 1.84 Jg-1 K-1, respectively. For H2O, AHfus
6.01 kJ mol, and AHvap
= 40.67 kJ mol
(A) The correct answer is not shown.
(B) 7.30е+04 J
(C) 1.36e+05 J
Then the (D) 2.93e+05 J
= allowed
che gases
(E) 1.10e+05 J
Have a wonderful Winter Recess!
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Home
End
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