« previous next »

Author Question: If the following ions Ba2+, Cl-, K+ and SO42- are placed in a test tube, the precipitate formed is ... (Read 26 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?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Everyone has one nostril that is larger than the other.

Citrate synthase test Citrate synthase test
A Test for the Blind Spot A Test for the Blind Spot
Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ... Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ...
Exhaust Restriction Test Exhaust Restriction Test
Cover test Cover test
A hypothesis test is performed to test the claim that a population proportion is greater than ... A hypothesis test is performed to test the claim that a population proportion is greater than ...
Video: Complement Proteins Animation

For a complete list of videos, visit our video library