Author Question: Boiling is when the ________. A) vapor pressure of a liquid equals the atmospheric pressure B) ... (Read 31 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
Boiling is when the ________.
 
  A) vapor pressure of a liquid equals the atmospheric pressure
  B) rate of evaporation equals the rate of condensation
  C) material no longer undergoes condensation
  D) vapor pressure decreases to zero
  E) none of the above

Question 2

Formaldehyde is a toxic preservative with the following chemical formula: H2C O Which of the following compounds would best serve as a starting point for its production?
 
  A) H3COH
  B) H2C CH2
  C) H2O
  D) CH3CH2OH
  E) none of the above



kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

For a complete list of videos, visit our video library