This topic contains a solution. Click here to go to the answer

Author Question: How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 1024 A) ... (Read 85 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05  1024
 
  A) one
  B) two
  C) three
  D) four

Question 2

How many of the following species are diamagnetic? Cs Zr2+ Al3+ Hg2+
 
  A) 1
  B) 3
  C) 0
  D) 2
  E) 4

Question 3

Determine the total pressure of all gases (at STP) formed when 50.0 mL of TNT (C3H5(NO3)3, d = 1.60 g/mL, molar mass = 227.10 g/mol) reacts according to the following reaction.
 
  4 C3H5(NO3)3(l)  6 N2(g) + O2(g) + 12 CO2(g) + 10 H2O(g)
 
  A) 4.93 L
  B) 57.2 L
  C) 29.6 L
  D) 448 L
  E) 175 L

Question 4

What is the chemical symbol for mercury?
 
  A) Ag
  B) Au
  C) Hg
  D) Pb



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Answer to Question 1

C

Answer to Question 2

D

Answer to Question 3

B

Answer to Question 4

C




PhilipSeeMore

  • Member
  • Posts: 561
Reply 2 on: Aug 27, 2018
Wow, this really help


olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library