Author Question: What is the activation energy? A) the minimum amount of energy to break the bonds in reactants ... (Read 62 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
What is the activation energy?
 
  A) the minimum amount of energy to break the bonds in reactants
  B) the amount of energy required to activate a phase change
  C) the energy difference between the reactants and the products
  D) the amount of energy required to separate reactants from the products
  E) the hill

Question 2

What mass of oxygen (in grams) is produced when 122.6 g of KCI03(formula mass = 122.6 amu) takes part in this reaction?
 
  A) 32.00 grams
  B) 48.00 grams
  C) 96.00 grams
  D) More information is needed.



SeanoH09

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

For a complete list of videos, visit our video library