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

Author Question: Fire was one of the earliest agents that enabled chemical changes. Indicate whether the statement ... (Read 68 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Aug 27, 2018
Fire was one of the earliest agents that enabled chemical changes.
 
  Indicate whether the statement is true or false

Question 2

A substance which lowers the activation energy of a chemical reaction is called a(n)
 
  A) reducing agent.
  B) catalyst.
  C) oxidizing agent.
  D) carcinogen.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultana.d

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Aug 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


Themember4

  • Member
  • Posts: 538
Reply 2 on: Aug 27, 2018
Excellent

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

chemical management chemical management
The correct statement about hormones-insulin and glucagon The correct statement about hormones-insulin and glucagon
The chemical structure of mescaline, derived from the peyote cactus The chemical structure of mescaline, derived from the peyote cactus
Fire intervention guidelines Fire intervention guidelines
An example of a urine chemical analyzer. An example of a urine chemical analyzer.
Chemical structure of three classes of lipids Chemical structure of three classes of lipids
Video: Net filtration pressure and lymph formation, edema & blood velocity

For a complete list of videos, visit our video library