« previous next »

Author Question: Oil floats on water because oil is less dense than water. Indicate whether the statement is true ... (Read 90 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Aug 27, 2018
Oil floats on water because oil is less dense than water.
 
  Indicate whether the statement is true or false

Question 2

Which of the following statements about catalysts is NOT true?
 
  A) A catalyst alters the rate of a chemical reaction.
  B) A catalyst can be consumed in a reaction as long as it is regenerated.
  C) A catalyst can be used to speed up slow reactions.
  D) A catalyst does not change the energy of the reactants or the products.
  E) All of the above are true.


kkenney

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Aug 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

The aquaporin water channel The aquaporin water channel
Water breaks (Or Water rupture) "نزول ماء الجنين او ميه الراس" Water breaks (Or Water rupture) "نزول ماء الجنين او ميه الراس"
Glacial deposits overlain by marine carbonates formed in very warm water Glacial deposits overlain by marine carbonates formed in very warm water
Controlling access to water in order to gain political and strategic advantage in Gaza Controlling access to water in order to gain political and strategic advantage in Gaza
Hydrogen burns to produce energy and water Hydrogen burns to produce energy and water
The Excretory System Water and waste products from cells The Excretory System Water and waste products from cells
Video: Interview with an Anorexic Woman (Part 2 of 2)

For a complete list of videos, visit our video library