« previous next »

Author Question: If the following ions Ba2+, Cl-, K+ and SO42- are placed in a test tube, the precipitate formed is ... (Read 90 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Aug 27, 2018
If the following ions Ba2+, Cl-, K+ and SO42- are placed in a test tube, the precipitate formed is ________.
 
  A) BaSO4
  B) KCl
  C) BaCl2
  D) K2SO4

Question 2

Doubling the concentration of A leads to doubling the rate, while doubling the concentration of B quadruples the rate. The rate equation is, therefore, ________.
 
  A + B  C
  A) Rate = kAB2
  B) Rate = kA
  C) Rate = kA2
  D) Rate = kA2B

Question 3

New technologies provide current benefits, but often present future risks.
 
  Indicate whether the statement is true or false


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

A blood smear. The smear reveals representative cells from each formed element group: red blood cell A blood smear. The smear reveals representative cells from each formed element group: red blood cell
An example of an EHR screen used to order a laboratory test. An example of an EHR screen used to order a laboratory test.
The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ... The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ...
Romberg test Romberg test
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ... If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Mendel’s test cross to verify independent assortment Mendel’s test cross to verify independent assortment
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library