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

Author Question: Propane (C3H8 ) reacts with oxygen (O2 ) to form carbon dioxide (CO2 ) and water (H2O ). When the ... (Read 54 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Aug 27, 2018
Propane (C3H8 ) reacts with oxygen (O2 ) to form carbon dioxide (CO2 ) and water (H2O ). When the equation below is balanced, the coefficient of water is:
 
  C3H8 + O2  CO2 + H2O
  A) 1
  B) 4
  C) 2
  D) 3

Question 2

A student measures 10.5 g of mercury(II) oxide into an open test tube and heats the tube. The heat causes the mercury(II) oxide to decompose into mercury and oxygen. After reaction, the student finds the mass of the contents of the tube to be 9.
 
  7 g. Which one of the following describes these observations? A) The decomposition of mercury(II) oxide does not obey the Law of Conservation of Mass.
  B) 0.8 grams of oxygen gas are lost from the tube.
  C) There are errors associated with the student's measurements.
  D) Heating destroys some mass.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


fahad

  • Member
  • Posts: 570
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

The human oxygen-hemoglobin dissociation curve. The human oxygen-hemoglobin dissociation curve.
Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim
How to write a quadratic equation in standard form when a graph is given How to write a quadratic equation in standard form when a graph is given
Use tap water when making coffee, tea, or juice from concentrate, and for food preparation Use tap water when making coffee, tea, or juice from concentrate, and for food preparation
Differential Heating of Land and Water Differential Heating of Land and Water
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library