« previous next »

Author Question: Which one of the following contains 39 carbon by mass? A) C2H2 B) CH4 C) CH3NH2 D) ... (Read 64 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Aug 27, 2018
Which one of the following contains 39 carbon by mass?
 
  A) C2H2
  B) CH4
  C) CH3NH2
  D) CO2

Question 2

If a solid compound sealed in a capillary tube is placed into a waterbath and appears to liquefy
  immediately, what is the probable explanation?
 
  A) the temperature of the waterbath is higher than 50 C
  B) the temperature of the waterbath is higher than 70 C
  C) the temperature of the waterbath is higher than 90 C
  D) the temperature of the waterbath is higher than the Mp of the compound
  E) the temperature of the waterbath is lower than the Mp of the compound


wfdfwc23

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Mass Wasting Forms Mass Wasting Forms
Mass Wasting Forms Mass Wasting Forms
A 75.0 L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.20 atm. ... A 75.0 L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.20 atm. ...
What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ... Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...
Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ... Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ...
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library