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

Author Question: The most abundant rocks in Earth's crust are the a. sulfides. b. oxides. c. carbonates. d. ... (Read 68 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
The most abundant rocks in Earth's crust are the
 a. sulfides.
  b. oxides.
  c. carbonates.
  d. silicates.

Question 2

Ammonia, NH3, boils at a higher temperature than phosphine, PH3 . This is probably due to
 a. ammonia being more dense than PH3.
  b. ammonia having the lower formula mass.
  c. hydrogen bonding among the NH3 molecules.
  d. ammonia being ionic and phosphine being covalent.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
Wow, this really help

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Plnaet Earth Plnaet Earth
Tides on Earth Tides on Earth
The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Earth’s Biomes "الأرض الحيوية" Earth’s Biomes "الأرض الحيوية"
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
Similar Rock Outcrops on Mars and Earth Similar Rock Outcrops on Mars and Earth
Video: Physiology of Asthma

For a complete list of videos, visit our video library