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

Author Question: When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ ... (Read 122 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
on: Feb 15, 2020

Question 1

Combustion of hydrogen releases 142 kJ per gram of hydrogen reacted. How many kilocalories of energy are released by the combustion of 16.0 ounces of hydrogen?
◦ 2.69 × 105 kcal
◦ 1.54 × 104 kcal
◦ 1.31 kcal
◦ 19.2 kcal

Question 2

When 1.0 gram of hydrogen reacts with 8.0 grams of oxygen 9.0 grams of water are produced and 142 kJ of heat are released. How many grams of hydrogen and how many grams of oxygen must react to produce 250 kJ of heat?
◦ 0.57 g H2 and 4.5 g O2
◦ 1.8 g H2 and 4.5 g O2
◦ 1.8 g H2 and 14 g O2
◦ 0.57 g H2 and 14 g O2
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by meagbuch on Feb 15, 2020

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly


meagbuch

  • Member
  • Posts: 568
Reply 2 on: Feb 15, 2020
YES! Correct, THANKS for helping me on my review

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
Waves in Deep and Shallow Water Waves in Deep and Shallow Water
Municipal Water Treatment Plant Municipal Water Treatment Plant
Oxygen-binding curve for myoglobin Oxygen-binding curve for myoglobin
Lakes and standing water Lakes and standing water
Expanded view of Silicon-oxygen tetrahedron Expanded view of Silicon-oxygen tetrahedron
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library