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 109 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
:D TYSM

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

The size of the antlers play a significant role in establishing the hierarchy in the group The size of the antlers play a significant role in establishing the hierarchy in the group
Letters and Numbers Letters and Numbers
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Numbers 2 and 5 only Numbers 2 and 5 only
Answers only. These are numbers 9-10 Answers only. These are numbers 9-10
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
Video: Membrane transport proteins - pores, gated channels and pumps

For a complete list of videos, visit our video library