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
kotegsom [21]
3 years ago
7

In the formula for water (H2O) what does the subscript 2 indicate?

Chemistry
1 answer:
Alenkasestr [34]3 years ago
8 0
The 2 indicates the amount of hydrogen there is. In this case there are two atoms of hydrogen. The subscript will correspond to the “letter” (element symbol) right before it.
You might be interested in
What is the equation for density?<br> O D= m<br> V<br> OD=V<br> m<br> OD=m<br> OD=mv²
frosja888 [35]

Answer:

D = m/V

Explanation:

Density represents the following ratio:

Density (D) = mass (m) / volume (V)

In this formula, the volume is being divided from the mass. The typical units for mass is grams and the unit for volume is milliliters.

4 0
2 years ago
Describe how the size of sediment particles affects their movement during deflation.
Oksi-84 [34.3K]
The larger the piece the longer it will take to break down. This is because it has more mass that needs to be broken down.
6 0
3 years ago
Which best explains the relationship between evaporation and temperature?
wariber [46]
A liquid evaporates faster at higher temperatures because more particles have a higher speed and can overcome attractions in the liquid.
3 0
2 years ago
Read 2 more answers
How many protons does an atom of zinc contain?<br> It contains an amount
madreJ [45]

a single neutral atom of zinc has 30 protons

3 0
3 years ago
Two changes are described below. a. Ice melts to form water. b. Sugar cubes dissolve in hot coffee. Which statement is true abou
-Dominant- [34]

Answer: Option (b) is the correct answer.

Explanation:

A change that does not lead to any difference in chemical composition of a substance is known as a physical change.

For example, shape, size, mass, volume, density, boiling point, etc of a substance are all physical properties.

As ice melts to form water shows that only the state of matter is changing. Hence, it is a physical change. Similarly, sugar cubes dissolve in hot coffee is also a physical change as no new compound has formed.

On the other hand, changes that lead to bring change in chemical composition of a substance is known as a chemical change.

For example, exploding dynamite, rotting cheese etc are all chemical changes.

Thus, we can conclude that both are physical changes because there is a change in the physical states of ice and sugar.

3 0
3 years ago
Other questions:
  • What does fossil mean in my own words
    6·1 answer
  • List three quantum numbers you know
    5·2 answers
  • The following thermodynamic data are available for octane, oxygen gas, carbon dioxide gas, water, and water vapor: Molecule ΔH∘f
    9·2 answers
  • Along with subduction, what other process changes sedimentary rocks to metamorphic rocks?
    7·1 answer
  • The type of current produced by a maget is
    8·1 answer
  • What is the name of a mass that is 10-6 smaller than a gram?
    5·1 answer
  • URGENT PLEASE ANSWER
    12·1 answer
  • PLEASE HELP I WILL GIVE BRAINLIEST!!! Its due tonight at 12:00
    7·2 answers
  • C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) + heat<br> reaction type
    7·1 answer
  • Madison is heating two different liquids. For each liquid, she wants to compare the temperatures at which gas bubbles form, rise
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!