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 143 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

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

« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Water Deer Water Deer
Water Loss Through Evaporation Water Loss Through Evaporation
In 1885 masked Nebraskans seeking access to water posed for photographer S. D. Butcher, who captione In 1885 masked Nebraskans seeking access to water posed for photographer S. D. Butcher, who captione
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Most Americans obtain their drinking water from a community water system Most Americans obtain their drinking water from a community water system
Venus with water Venus with water
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library