This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following reaction energies is the least exothermic (but still an exothermic reaction)? ... (Read 89 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
on: Jul 29, 2018
Which of the following reaction energies is the least exothermic (but still an exothermic reaction)?
 
  A) 540 kJ/mole
  B) -540 kJ/mole
  C) 125 kJ/mole
  D) -125 kJ/mole
  E) not enough information given

Question 2

How many moles of H2 bonds are broken if you react nitrogen with hydrogen according to the following reaction?
 
  N2 + 3H2  2 NH3
 
  A) 6
  B) 2
  C) 3
  D) 1
  E) 8


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


Jramos095

  • Member
  • Posts: 528
Reply 2 on: Jul 29, 2018
Excellent

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
A simplified view of ligand binding and conformation energies in hemoglobin A simplified view of ligand binding and conformation energies in hemoglobin
The cross-linking reaction in peptidoglycan synthesis (left) and inhibition of the transpeptidase The cross-linking reaction in peptidoglycan synthesis (left) and inhibition of the transpeptidase
A typical reaction in which NAD+ acts as an oxidizing agent A typical reaction in which NAD+ acts as an oxidizing agent
In an acid-base neutralization reaction, 33.74 mL of 0.500 M potassium hydroxide reacts with ... In an acid-base neutralization reaction, 33.74 mL of 0.500 M potassium hydroxide reacts with ...
Video: HIV Infection: Viral life cycle

For a complete list of videos, visit our video library