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 192 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

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Crossing over during meiosis leads to allele combinations in sex cells that are not present in the p Crossing over during meiosis leads to allele combinations in sex cells that are not present in the p
Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi
Benedict's Solution Benedict's Solution
Sample Advance Directive Cont. Sample Advance Directive Cont.
Algebraically determine the general solution, in degrees, of the equation below. Algebraically determine the general solution, in degrees, of the equation below.
A sample of reef biodiversity A sample of reef biodiversity
Video: Complement Proteins Animation

For a complete list of videos, visit our video library