« previous next »

Author Question: During sublimation A) water molecules change their basic structure. B) water molecules condense ... (Read 196 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
on: Jul 16, 2018
During sublimation
 
  A) water molecules change their basic structure.
  B) water molecules condense to form a liquid.
  C) additional oxygen is added to water.
  D) water changes from a solid directly to a gaseous form.

Question 2

Compact florescent and LED bulbs are designed to
 
  A) produce more light than normal bulbs.
  B) use less electricity than incandescent bulbs to produce light.
  C) be powered by heat from CHP technology.
  D) turn off automatically when no people are in a room.


macybarnes

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

11.2 The chemical structure of mescaline, derived from the peyote cactus 11.2 The chemical structure of mescaline, derived from the peyote cactus
Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward
Drag the labels to indicate the change in the size of the reservoir. . . Drag the labels to indicate the change in the size of the reservoir. . .
Gas molecules have no bonds to other molecules and move in random motion. Gas molecules have no bonds to other molecules and move in random motion.
A thick filament of myosin II molecules A thick filament of myosin II molecules
Structure of a typical cell membrane Structure of a typical cell membrane
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library