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

Author Question: How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 1024 A) ... (Read 103 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
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
Excellent

AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

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

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
As their numbers grow and their resources and health improve, the elderly will enjoy life more and ... As their numbers grow and their resources and health improve, the elderly will enjoy life more and ...
Clinically Significant Drug-Disease Interactions in Dentistry Clinically Significant Drug-Disease Interactions in Dentistry
How to round numbers with significant digits How to round numbers with significant digits
Number line (real numbers) Number line (real numbers)
Video: Deglutition

For a complete list of videos, visit our video library