1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
professor190 [17]
3 years ago
5

When water freezes it's density gets lower the change in density is different than that of most substances most substances get d

enser when they become solid when a certain mass of water freezes what property of water changes causing it's density to get lower ? How does this property change.

Chemistry
1 answer:
icang [17]3 years ago
8 0
When water is in liquid form its molecules are free to move around.
Water molecules are packed reasonably close together. However when water freezes its molecules take up a hexagonal lattice (repeating structure) which has space in the middle of it.

This is largely due to hydrogen bonding between water molecules (complicated).

As a result water molecules in ice aren't packed as closely together as they are in liquid water so the density of ice is lower than that of liquid water.

Hope that helps. I doubt you need to know about hydrogen bonding. 
 

You might be interested in
¿Cuántos electrones conforman un enlace doble?
Aleks04 [339]

Answer:

Cada átomo aporta dos electrones al enlace, es decir, se comparten dos pares de electrones entre dos átomos. Un ejemplo es la molécula de Oxígeno (O2).

Explanation:

6 0
3 years ago
Which two substances are covalent compounds? * C6H12O6(s) and KI(s) C6H12O6(s) and HCl(g) KI(s) and NaCl(s) NaCl(s) and HCl(g)
Ray Of Light [21]

Answer: Option (b) is the correct answer.

Explanation:

A covalent compound is defined as the compound in which sharing of electrons take place between the combining atoms. Generally, when two or more non-metals chemically combine together the it will lead to the formation of a covalent compound.

For example, C_{6}H_{12}O_{6} and HCl is also a covalent compound.

And, a compound in which transfer of electrons occur between the combining atoms is known as an ionic compound. Whenever, a metal chemically combines with a non-metal then it will always lead to the formation of an ionic compound.

For example, KI is an ionic compound.

Thus, we can conclude that C_{6}H_{12}O_{6} and HCl are the two substances which are covalent compounds.

7 0
3 years ago
What is the solution to the problem expressed to the correct number of significant figures
quester [9]

I don't know what the problem is, but here are some rues to help you out:

  1. All non-zero figures are significant
  2. When a zero falls between non-zero digits, that zero is significant.
  3. When a zero falls after a decimal point, that zero is significant.
  4. When multiplying and dividing significant figures, the answer is limited to the number of sig figs equal to the least number of sig figs in the problem.
  5. When adding and subtracting, the answer is limited to the number of decimal places in the number with the least number of decimal places.
4 0
3 years ago
What is the mass of a sample containing 3.5 moles of silicon atoms?
Natalija [7]
The answer is c .”98 g “
3 0
2 years ago
Plant cells have large central ________________ . These are also found in animal cells but are much smaller Question 3 options:
Phantasy [73]

Answer:

vacuoles

Explanation:

Vacuoles are not only found in animal and plant cells, but on every given diagram vacuoles are huge and singular on a plant cell. Animals however, there are multiple and are much smaller

6 0
3 years ago
Other questions:
  • In order to get lots of helium into tanks to fill kiddy balloons, they put force or pressure onto it. If i have 595 liters of he
    6·1 answer
  • If you combine 370.0 mL of water at 25.00 °C and 110.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Us
    15·1 answer
  • In the following reaction, what is the effect on the direction of the reaction if more SO3 is added to the reaction mixture?
    5·1 answer
  • Which is the greater distance 50 miles or 100 kilometers
    13·1 answer
  • Inner and outer plants
    11·2 answers
  • I need both answers please.
    13·1 answer
  • Graciella divided her grapes equally among 6 friends. If each friend received 16 grapes how many grapes did Graciella have?
    6·2 answers
  • 1.33*10^ 23 molecules of carbon dioxide to moles
    13·1 answer
  • What is the letter in the equation for heat​
    5·1 answer
  • A chemical reaction in which one element replaces another element in a compound can be catergorized as a
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!