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

Author Question: How many g of Fe(NO3)3 are present in a 20.0 mL sample of a 0.500 M solution? A) 2.14 g B) 9.68 ... (Read 186 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Aug 27, 2018
How many g of Fe(NO3)3 are present in a 20.0 mL sample of a 0.500 M solution?
 
  A) 2.14 g
  B) 9.68 g
  C) 4.84 g
  D) 2.42 g
  E) 1.21 g

Question 2

How much energy is evolved during the formation of 98.7 g of Fe, according to the reaction below?
 
  Fe2O3(s) + 2 Al(s)  Al2O3(s) + 2 Fe(s) Hrxn = -852 kJ
 
  A) 753 kJ
  B) 1.51  103 kJ
  C) 4.20  103 kJ
  D) 482 kJ
  E) 241 kJ

Question 3

Carbon dioxide obeys the octet rule.
 
  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

al

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A

Answer to Question 3

TRUE


jerry coleman

  • Member
  • Posts: 570
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Amphipathic compounds in aqueous solution Amphipathic compounds in aqueous solution
Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
One Solution to the Nine-Dot Problem One Solution to the Nine-Dot Problem
Algebraically determine the general solution, in degrees, of the equation below. Algebraically determine the general solution, in degrees, of the equation below.
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ... Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...
A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ... A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ...
Video: Polysaccharides

For a complete list of videos, visit our video library