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
lord [1]
3 years ago
5

Two states of matter are described below. State X: Particles are ions that are far apart State Y: Particles are molecules that a

re far apart Which combination of the state and a substance in that state is correct? State X = lightning; State Y = air State X = oxygen; State Y = neon State X = oxygen; State Y = water State X = air; State Y = milk
Ben wrote the following examples of changes in substances.

Example A: Vegetables are chopped.
Example B: Food is broken up into simpler form during digestion.

Which statement is correct?

Both are examples of physical changes.
Both are examples of chemical changes.
Example A describes a physical change and Example B describes a chemical change.
Example A describes a chemical change and Example B describes a physical change.
Chemistry
1 answer:
Temka [501]3 years ago
5 0

Answer 1 : State X is lightening and state Y is air.

Explanation:

Lightening is a phenomena which occurs due to electrostatic interaction between negatively charged ions and positively charged ions present in atmosphere.

Air is composed of various molecules of gases.

Answer 2: Third statement is correct.

Explanation:

When the vegetables are chopped change in shape of the vegetables that is physical change takes place.

When food is broken down into simpler form during digestion, chemical change takes place. During digestions the chemical composition of food changes as it was broken down into simpler molecules.

You might be interested in
Which of the ffamily contains liquids, solids and gases?
Naddik [55]
The hydrogen one because who doesnt like snoballs'

7 0
3 years ago
M CALCULATOR
dolphi86 [110]
Could you post another question with a photo? I am sorry...
6 0
3 years ago
NaOH + HCl → NaCl + H2O
bearhunter [10]

Answer:

0.00496 g H2O

Explanation:

7 0
3 years ago
How many bonds are present in Cl20?<br> a. 2<br> b. 4<br> c. 1<br> d. 3
steposvetlana [31]

Answer:

A. 2 bonds

Explanation:

If you see a charch of ci20 it would easily show the answer.

8 0
3 years ago
What type of bonding is shown in the diagram
Nutka1998 [239]

Answer:

Covalent Bond

Explanation:

In the diagram Carbon and each of the 4 Hydrogens are sharing electrons. They are also both non metals. Both of these are characteristics of Covalent Bonds.

4 0
3 years ago
Other questions:
  • Write the proper word equation to express the following chemical reaction: 4Fe (s) + 3Sn(NO3)4 (aq) Imported Asset 4Fe(NO3)3 (aq
    11·1 answer
  • Functions of weather​
    7·1 answer
  • When ethanol is burned, it's converted into carbon dioxide and water. Does the ethanol undergo a physical change or a chemical c
    11·1 answer
  • A gas occupied 23.55 L at 118.2 Celsius. At what temp would the gas occupied 43.8 L
    12·1 answer
  • What is the atomic mass equal to?
    6·2 answers
  • The Calvin cycle and the Krebs cycle are cycles of chemical reactions because they
    12·2 answers
  • Ammonium hydroxide ionizes as follows: NH4OH(s) NH4 +(aq) + OH-(aq). If an excess of ammonium salt, such as NH4Cl (which ionizes
    7·2 answers
  • Write the complete balanced equation for the reaction between iron (III) oxide (Fe2O3) and water (H2O). You do not need to make
    8·2 answers
  • Which of the following components does a disc brake system use?
    5·2 answers
  • Hydrogen peroxide (H​2O​ ​2​) is unstable under certain conditions and decomposes as follows:
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!