This topic contains a solution. Click here to go to the answer

Author Question: The following reaction takes place at 120C: H2O(l) H2O(g) H = 44.0 kJ/mol S = 0.119 kJ/mol ... (Read 226 times)

anshika

  • Hero Member
  • *****
  • Posts: 510

Question 1

The following reaction has a Δ value of 25.63 kJ/mol at 25°C.
    HB(aq) + H2O(l) H3O+(aq) + B(aq)
Calculate the Ka for the acid HB.

0.990
–10.3
3.22 × 10–5
2.56 × 10–5
–123

Question 2

The following reaction takes place at 120°C: H2O(l) → H2O(g)     ΔH = 44.0 kJ/mol     ΔS = 0.119 kJ/mol K

Which of the following must be true?


The reaction is not spontaneous.
The reaction is spontaneous.
ΔG = 0
ΔG< 0
Two of these are true.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by anshika on Mar 21, 2021

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library