« previous next »

Author Question: Identify the ion with a -4 charge. A) carbide B) permanganate C) dichromate D) ... (Read 19 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Aug 27, 2018
Identify the ion with a -4 charge.
 
  A) carbide
  B) permanganate
  C) dichromate
  D) nitride

Question 2

According to the following reaction, how many grams of sulfur are formed when 37.4 g of water are formed? 2 H2S(g) + SO2(g)  3 S(s) + 2H2O(l)
 
  A) 99.8 g S
  B) 66.6 g S
  C) 56.1 g S
  D) 44.4 g S
  E) 14.0 g S

Question 3

How many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 50.0 mL of O2(g) at 25C and 1.00 atm pressure according to the chemical equation shown below?
 
  2 KClO3(s)  2 KCl(s) + 3 O2(g)?
 
  A) 0.102 g
  B) 0.152 g
  C) 0.167 g
  D) 0.304 g

Question 4

Identify the ion with a -1 charge.
 
  A) phosphate
  B) chlorate
  C) chromate
  D) ammonium


amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

A

Answer to Question 4

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Endotracheal intubation. First, a lighted scope is used to identify the trachea from the esophagus. Endotracheal intubation. First, a lighted scope is used to identify the trachea from the esophagus.
Identify the structures shown below by filling in the blanks. Identify the structures shown below by filling in the blanks.
Mosaic of Charge-Coupled Devices (CCDs) Mosaic of Charge-Coupled Devices (CCDs)
Using alert labels enables the medical staff to quickly identify important information such as ... Using alert labels enables the medical staff to quickly identify important information such as ...
Processes of Lightning Formation: Charge Separation Processes of Lightning Formation: Charge Separation
Identify the variable representing each described quantity in the equation Identify the variable representing each described quantity in the equation
Video: Burn Animation

For a complete list of videos, visit our video library