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

Author Question: There are ________ hydrogen atoms in 25 molecules of C4H4S2. A) 25 B) 3.8 1024 C) 6.0 1025 ... (Read 202 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Aug 27, 2018
There are ________ hydrogen atoms in 25 molecules of C4H4S2.
 
  A) 25
  B) 3.8  1024
  C) 6.0  1025
  D) 100
  E) 1.5  1025

Question 2

The LD50 value is the amount of a substance that will kill 50 of test animals.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


bb

  • Member
  • Posts: 544
Reply 2 on: Aug 27, 2018
Excellent

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

A double bond between two oxygen atoms A double bond between two oxygen atoms
Structures and properties of pigment molecules Structures and properties of pigment molecules
Cellular locations of pattern recognition molecules of the innate immune system Cellular locations of pattern recognition molecules of the innate immune system
Oil molecules cling to metal surfaces but easily slide against each other. Oil molecules cling to metal surfaces but easily slide against each other.
Biological Molecules Biological Molecules
If the entropy of a collection of molecules in 5000 boxes is 1.76 × 10-20 J/K, how many ... If the entropy of a collection of molecules in 5000 boxes is 1.76 × 10-20 J/K, how many ...
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library