Answer:
Energy is measured in joules. And it is a derived unit. An example that you use in energy is horsepower.
On the web an easy definition: Kinetic energy is motion; it is the motion of waves, electrons, atoms, molecules, substances, and objects.
Also, everything consists of energy. For example, when you turn a page from a book, that is using energy. Or when a ball is rolling down a ramp, it is using kinetic energy. You can also have potential energy, which is the energy stored in something when it isn't moving. For example, when the ball is about to roll on the ramp, it is in its starting point with potential energy.
And finally elastic energy:
Elastic energy is the mechanical potential energy stored in the configuration of a material or physical system as it is subjected to elastic deformation by work performed upon it. Elastic energy occurs when objects are impermanently compressed, stretched or generally deformed in any manner.
For example, an elastic string. When you stretch it, it is the potential anergy stored in the string you are stretching. When you release it, it flies in the air and changes to kinetic energy.
The relative atomic mass of dihydrogen monoxide is 18g/mol
- Dihydrogen monoxide is a molecule containing two atoms of hydrogen and one atom of oxygen i.e. H2O. It is widely regarded as WATER
- To calculate the relative atomic mass of dihydrogen monoxide (H2O), we make use of the atomic mass of each element.
According to the periodic table:
Where; H = 1g/mol and O = 16g/mol
H2O = 1(2) + 16
= 2 + 16
= 18g/mol
Learn more at: brainly.com/question/17275626
As can be seen in the pic attached the energy increases left to right in the pic.
So the order is
Microwave, Infra-red, visible red, visible green, ultraviolet, x-ray
Answer:
The concentration of is 1.48 × M
The absolute uncertainty of is ±0.12 × M
The concentration of is written as 1.48(±0.12) × M
Explanation:
The pH of a solution is given by the formula below
pH =
∴
where is the concentration
From the question,
pH = 8.83±0.04
That is,
pH =8.83 and the uncertainty is ±0.04
First, we will determine from
× M
× M
The concentration of is 1.48 × M
The uncertainty of ( ) from the equation is
× ×
Where is the uncertainty of
is the uncertainty of the pH
Hence,
= 2.303 × 1.4791 × × 0.04
= 1.36 × M
= 0.12 × M
Hence, the absolute uncertainty of is ±0.12 × M