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

Author Question: What is the pH of a solution in which H3O+ = 1.2 10-3 M? A) 1.20 B) 2.92 C) 11.08 D) 12.80 ... (Read 23 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
What is the pH of a solution in which H3O+ = 1.2  10-3 M?
 
  A) 1.20
  B) 2.92
  C) 11.08
  D) 12.80
  E) 8.33  10-12

Question 2

How much energy (in kJ) do 3.0 moles of photons, all with a wavelength of 655 nm, contain?
 
  A) 183 kJ
  B) 303 kJ
  C) 394 kJ
  D) 548 kJ
  E) 254 kJ



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

B

Answer to Question 2

D



Metfan725

  • Hero Member
  • *****
  • Posts: 552
Both answers were spot on, thank you once again



kaylee05

  • Sr. Member
  • ****
  • Posts: 318

 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

For a complete list of videos, visit our video library