« previous next »

Author Question: Which one of the following contains 39 carbon by mass? A) C2H2 B) CH4 C) CH3NH2 D) ... (Read 66 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?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Models for the electron orbitals and energy shells of carbon Models for the electron orbitals and energy shells of carbon
President-elect Barack Obama 150 million tiny carbon nanotubes President-elect Barack Obama 150 million tiny carbon nanotubes
Versatility of carbon bonding Versatility of carbon bonding
The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ... The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ...
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
Video: Brain Anatomy Animation (Part 1 of 2)

For a complete list of videos, visit our video library