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

Author Question: Which of the following has a Hf = 0 kJ/mol? (Read 33 times)

Deej

  • Full Member
  • ***
  • Posts: 144

Question 1

When 18.5 g of HgO(s) is decomposed to form Hg(l) and O2(g), 7.75 kJ of heat is absorbed at standard-state conditions.  What is the standard enthalpy of formation (ΔH°f) of HgO(s)?
◦ –90.7 kJ/mol
◦ –7.75 kJ/mol
◦ 0.419 kJ/mol
◦ 27.9  kJ/mol
◦ 143 kJ/mol

Question 2

Which of the following has a ΔH°f = 0 kJ/mol?
◦ CO2(g)
◦ O3(g)
◦ Cl-(aq)
◦ NH3(aq)
◦ I2(s)


Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Deej on Nov 5, 2023

Kevin5!

  • Full Member
  • ***
  • Posts: 188
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 39% of students answer this correctly




Deej

  • Member
  • Posts: 144
Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review


EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

For a complete list of videos, visit our video library