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

Author Question: What is wrong with the following depiction of a chemical reaction? A) These boxes contain only ... (Read 31 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
What is wrong with the following depiction of a chemical reaction?
 
  A) These boxes contain only molecules but no atoms.
  B) One box contains more molecules than the other.
  C) One box contains more atoms than the other.
  D) All of the above.

Question 2

Is it possible to have a macroscopic sample of oxygen that has a mass of 14 atomic mass units?
 
  A) Yes, but it would need to be made of oxygen atoms that each had less than the normal number of neutrons.
  B) No, this is less than than the mass of a single oxygen atom.
  C) Yes, but it would have the same density as nitrogen.
  D) No, because oxygen is a gas at room temperature.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ntsoane kedibone

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


vicotolentino

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Herbivores must overcome the wide variety of physical and chemical defences evolved by plants. Herbivores must overcome the wide variety of physical and chemical defences evolved by plants.
The Chemical Structure of DNA DNA is composed of nucleotide pairs. The Chemical Structure of DNA DNA is composed of nucleotide pairs.
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
Chemical Agents and Treatments Chemical Agents and Treatments
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population, A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
chemical-nomenclature-and-chemical-formulas chemical-nomenclature-and-chemical-formulas
Video: Transcription—A molecular view

For a complete list of videos, visit our video library