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 56 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
YES! Correct, THANKS for helping me on my review

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

The thick bark of the cork oak of the Mediterranean region protects the tree from fire. The thick bark of the cork oak of the Mediterranean region protects the tree from fire.
Signal transduction mechanisms at chemical synapses. Signal transduction mechanisms at chemical synapses.
Alkylating Agents Alkylating Agents
Slope Fire Slope Fire
Water in Chemical Reactions Water in Chemical Reactions
A bank statement shows a balance of $2,970.31 The check register of the account owner shows an ... A bank statement shows a balance of $2,970.31 The check register of the account owner shows an ...
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library