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

Author Question: How many grams of water are required to produce 5.50 L of hydrogen gas at 25.0C and 755 mm Hg ... (Read 93 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Aug 27, 2018
How many grams of water are required to produce 5.50 L of hydrogen gas at 25.0C and 755 mm Hg pressure according to the chemical equation shown below?
 
  BaH2(s) + 2 H2O(l)  Ba(OH)2(aq) + 2 H2(g)
 
  A) 2.01 g
  B) 4.02 g
  C) 4.07 g
  D) 8.04 g

Question 2

How many liters of hydrogen gas can be generated by reacting 9.25 grams of barium hydride with water at 20C and 755 mm Hg pressure according to the chemical equation shown below?
 
  BaH2(s) + 2 H2O(l)  Ba(OH)2(aq) + 2 H2(g)
 
  A) 0.219 L
  B) 0.799 L
  C) 1.60 L
  D) 3.21 L

Question 3

Which of the following ions has a relative ratio of oxygen atoms to the central atom that is not a whole number?
 
  A) dichromate
  B) bicarbonate
  C) permanganate
  D) perchlorate


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fatboyy09

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

D

Answer to Question 3

A


ec501234

  • Member
  • Posts: 573
Reply 2 on: Aug 27, 2018
Excellent

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

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.

Water-conducting cells of the xylem. Water-conducting cells of the xylem.
A pygmy hippopotamus rests in some water to help prevent its skin from cracking at Ueno Zoo in Japan A pygmy hippopotamus rests in some water to help prevent its skin from cracking at Ueno Zoo in Japan
Tracing the Source of a Water-Borne Disease Tracing the Source of a Water-Borne Disease
Total body water (TBW) Total body water (TBW)
Self-crossing F2 plants to produce an F3 generation shows that there are two different genotypes amo Self-crossing F2 plants to produce an F3 generation shows that there are two different genotypes amo
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library