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

Author Question: Which of the following polyatomic ions has the least atoms per formula unit? A) ammonium B) ... (Read 123 times)

lak

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
Which of the following polyatomic ions has the least atoms per formula unit?
 
  A) ammonium
  B) carbonate
  C) dihydrogen phosphate
  D) acetate

Question 2

The action of some commercial drain cleaners is based on the following reaction:
 
  2 NaOH(s) + 2 Al(s) + 6 H2O(l)  2 NaAl(OH)4(s) + 3 H2(g)
 
  What is the volume of H2 gas formed at STP when 6.32 g of Al reacts with excess NaOH?
  A) 3.50 L
  B) 5.25 L
  C) 7.87 L
  D) 8.59 L

Question 3

Which chemical symbol represents a metalloid?
 
  A) Al
  B) B
  C) Ga
  D) Zn
  E) Ar


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Missbam101

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C

Answer to Question 3

B


lak

  • Member
  • Posts: 546
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Schematic Diagram of Agitation Apparatus and other equipment (CHE415 Unit Operations) Schematic Diagram of Agitation Apparatus and other equipment (CHE415 Unit Operations)
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
A throttle-body injection (TBI) unit used on a GM V-6 engine. A throttle-body injection (TBI) unit used on a GM V-6 engine.
Insulin Syringes: 100 Unit (A), 50 Unit (B), and 30 Unit (C) Insulin Syringes: 100 Unit (A), 50 Unit (B), and 30 Unit (C)
Provide the given and then write the formula and solve Provide the given and then write the formula and solve
How many hydrogen ions (H+) are present and on what side of the chemical equation? How many hydrogen ions (H+) are present and on what side of the chemical equation?
Video: Introduction to Macular Degeneration

For a complete list of videos, visit our video library