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

Author Question: How many significant figures are there in the measurement of 5.062 x 10-3? A. 1 B. 2 C. 3 ... (Read 82 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
on: Aug 27, 2018
How many significant figures are there in the measurement of 5.062 x 10-3?
 
  A. 1
   B. 2
   C. 3
   D. 4

Question 2

How many milliliters of 0.200 M FeCl3 are needed to react with an excess of Na2S to produce 2.75 g of Fe2S3 if the percent yield for the reaction is 65.0? 3 Na2S(aq) + 2 FeCl3(aq)  Fe2S3(s) + 6 NaCl(aq)
 
  A) 50.9 mL
  B) 86.0 mL
  C) 102 mL
  D) 203 mL

Question 3

The greater the lattice energy, the greater the charges on the participatory ions and the smaller their radii.
 
  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

robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

TRUE


michelleunicorn

  • Member
  • Posts: 565
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Do-Ho Suh, Public Figures. Do-Ho Suh, Public Figures.
Instructing Patients According to Their Needs: Teaching Peak Flow Measurement Instructing Patients According to Their Needs: Teaching Peak Flow Measurement
Measuring the resistance of the ECT sensor. The resistance measurement can then be compared with ... Measuring the resistance of the ECT sensor. The resistance measurement can then be compared with ...
Wind Measurement Wind Measurement
How to count for the correct number of significant digits How to count for the correct number of significant digits
How to find the area of composite figures (Part 2) How to find the area of composite figures (Part 2)
Video: Type of Cell Junctions - Desmosome, Hemidesmosomes and Gap Junctions

For a complete list of videos, visit our video library