« previous next »

Author Question: Identify the ion with a -4 charge. A) carbide B) permanganate C) dichromate D) ... (Read 39 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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r
Measuring Electrical Charge Measuring Electrical Charge
An example of a selection list used to identify symptoms. An example of a selection list used to identify symptoms.
A food diary can help patients identify unhealthy eating habits and make healthy choices. A food diary can help patients identify unhealthy eating habits and make healthy choices.
The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ... The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ...
1) (a) What is Coulomb?s Law? (b) Find the net electrostatic force on the charge labeled ?P? in ... 1) (a) What is Coulomb?s Law? (b) Find the net electrostatic force on the charge labeled ?P? in ...
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library