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

Author Question: Why does liquid water expand slightly when cooled from 4C to 2C? A) The molecules vibrate faster ... (Read 148 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Aug 27, 2018
Why does liquid water expand slightly when cooled from 4C to 2C?
 
  A) The molecules vibrate faster and the molecules move farther apart.
  B) The molecules vibrate faster and the molecules move closer together.
  C) The molecules vibrate slower and the molecules move farther apart as hydrogen bonds form.
  D) The molecules vibrate slower and the molecules move closer together as hydrogen bonds form.
  E) none of the above

Question 2

The hydroxide ion, HO-, is a ________.
 
  A) unique form of water
  B) very strong acid
  C) polyatomic ion
  D) proton donator


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tandmlomax84

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

C


viki

  • Member
  • Posts: 525
Reply 2 on: Aug 27, 2018
Wow, this really help

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Three different ginkgo formulations: tablets, tea bags, and liquid extract. Three different ginkgo formulations: tablets, tea bags, and liquid extract.
Coolant circulates through the water jackets in the engine block and cylinder head. Coolant circulates through the water jackets in the engine block and cylinder head.
Available Fresh Water per year Available Fresh Water per year
Diversion of surface water Diversion of surface water
Fat Soluble and Water Soluble Fat-soluble vitamins Fat Soluble and Water Soluble Fat-soluble vitamins
A color-enhanced electron micrograph of circular plasmid molecules A color-enhanced electron micrograph of circular plasmid molecules
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library