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

Author Question: Which one of the following polyatomic ions has the same charge as the hydroxide ion? A) ammonium ... (Read 122 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
Which one of the following polyatomic ions has the same charge as the hydroxide ion?
 
  A) ammonium
  B) carbonate
  C) nitrate
  D) sulfate
  E) phosphate

Question 2

The value of H for the reaction below is -1107 kJ: 2Ba (s) + O2 (g)  2BaO (s) How many kJ of heat are released when 5.75 g of Ba (s) reacts completely with oxygen to form BaO (s)?
 
  A) 96.3 kJ
  B) 26.3 kJ
  C) 46.4 kJ
  D) 23.2 kJ
  E) 193 kJ

Question 3

When two elements combine to form a compound, the greater the difference in metallic character between the two elements, the greater the likelihood that the compound will be ________.
 
  A) a gas at room temperature
  B) a solid at room temperature
  C) metallic
  D) nonmetallic
  E) a liquid at room temperature



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

C

Answer to Question 2

D

Answer to Question 3

B




rayancarla1

  • Member
  • Posts: 571
Reply 2 on: Aug 27, 2018
Wow, this really help


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library