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 112 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
Thanks for the timely response, appreciate it

cpetit11

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Humpbacks frequently breach, throwing two thirds or more of their bodies out of the water and splash Humpbacks frequently breach, throwing two thirds or more of their bodies out of the water and splash
Hydrogen Atom Hydrogen Atom
Examples of the most common X-ray positions and the images they produce. Examples of the most common X-ray positions and the images they produce.
Two water pipes together can fill a certain tank in 6 h Two water pipes together can fill a certain tank in 6 h
Changes of State of Water Changes of State of Water
Video: Renal Failure

For a complete list of videos, visit our video library