This topic contains a solution. Click here to go to the answer

Author Question: If the following ions Ca2+, NO3-, Na+ and SO42- are placed in a test tube, the precipitate formed is ... (Read 75 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
If the following ions Ca2+, NO3-, Na+ and SO42- are placed in a test tube, the precipitate formed is ________.
 
  A) NaNO3
  B) CaSO4
  C) Ca(NO3)2
  D) Na2SO4

Question 2

Doubling the concentration of A leads to doubling the rate, while doubling the concentration of B has no effect on the rate. The rate equation is, therefore, ________.
 
  A + B  C
  A) Rate = kAB
  B) Rate = kA
  C) Rate = kA2
  D) Rate = kA2B

Question 3

The VSEPR theory is based on
 
  A) the neutralization of ionic charge in a molecule.
  B) the minimization of repulsion among valence electron pairs.
  C) the arrangement of core electrons in a molecule.
  D) the loss and gain of electrons based on electronegativity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AngeliqueG

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

B

Answer to Question 2

B

Answer to Question 3

B




ec501234

  • Member
  • Posts: 573
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

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

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library