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
zhannawk [14.2K]
3 years ago
5

IN THIS FORMULA FOR WATER WHAT DOES THE SUBSCRIPT 2 INDICATE

Physics
1 answer:
masha68 [24]3 years ago
7 0
The chemical formular for water is H2O.
The H aspect of the formula stands for hydrogen gas and the subscript 2 which is attached to the H symbol signifies that two atoms of hydrogen are joined together, that is two atom of hydrogen are present.
The chemical formula of water indicates that, two atom of hydrogen react with one atom of oxygen to form one molecule of water.
In chemical formulae, subscripts are normally used to indicate the number of atoms that are present in a molecule.
You might be interested in
If a boy rides his bicycle 100 meters in 20 seconds to the end of the street how fast did he ride his bike
Gekata [30.6K]
5 meters per second
5 0
2 years ago
The ,______provides rigidity and protection to the plant cell​
balandron [24]

Answer:

cell wall hope this will help

7 0
3 years ago
While skydiving, your parachute opens and you slow from 50.0 m/s to 8.0 m/s in 0.75 s . Determine the distance you fall while th
Anestetic [448]

Answer:

21.75 m

Explanation:

t = Time taken for the car to slow down = 0.75 s

u = Initial velocity = 50 m/s

v = Final velocity = 8 m/s

s = Displacement

a = Acceleration

Equation of motion

v=u+at\\\Rightarrow a=\frac{v-u}{t}\\\Rightarrow a=\frac{8-50}{0.75}\\\Rightarrow a=-56\ m/s^2

Acceleration is -56 m/s²

v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{8^2-50^2}{2\times -56}\\\Rightarrow s=21.75\ m

The distance covered in the 0.75 seconds is 21.75 m

8 0
3 years ago
As the result of a thermal inversion the prevailing air temperature profile increases 1°C/100m above the ground level. To what m
astra-53 [7]

Answer:

909.1 m

Explanation:

Rate of temperature increase with 100 m elevation = 1°C

h = Maximum Height

Adiabatic lapse rate = -0.65°C/100 m

We have the relation

\dfrac{1^{\circ}C}{100}=\dfrac{15^{\circ}C}{h}+\left(-\frac{0.65}{100}\right)\\\Rightarrow \dfrac{1^{\circ}C}{100}+\left(-\frac{0.65}{100}\right)=\dfrac{15^{\circ}C}{h}\\\Rightarrow h=\dfrac{15^{\circ}C}{1.65^{\circ}C}\times 100\\\Rightarrow h=909.1\ m

The maximum height is 909.1 m

5 0
3 years ago
What was the average speed in km/h of a car that travels 400.0 km in 4.5 h?
Yanka [14]
V= s/t = 400/4.5=800/9 (km/h)
6 0
3 years ago
Other questions:
  • Which of the following measurements is used to compare the distance between objects in the solar system? Distance between Earth
    6·2 answers
  • A fluorine atom has 7 valence electrons in its second shell.
    7·1 answer
  • 1 . A farmer moves along the boundary of his rectangular field of side 10m x 20m . farmer covers 1m in 1sec . what will be the m
    8·1 answer
  • Two disadvantages of spreadsheet
    15·2 answers
  • A 2.5kg object oscillates at the end of a vertically hanging light spring once every 0.65s .
    12·1 answer
  • 8) What kind of circulation carries blood to all organs and systems?
    14·2 answers
  • 5. The entrance of a science museum features a funnel into which marbles are rolled one at a time. The marbles circle around the
    12·1 answer
  • 7. A 3.0 kg object travels vertically at a constant
    9·1 answer
  • The data points you have taken on your lab graphs roughly form a straight line. How do you interpret the slope of this line?
    12·2 answers
  • If the coefficient of kinetic friction between the puck and the ice is 0.05, how far does the puck slide before coming to rest?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!