Answer:
1.55×10⁻² moles of sodium
Explanation:
Given data:
Number of atoms of sodium = 9.34×10²¹ atoms
Number of moles of sodium = ?
Solution:
Avogadro number:
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance. The number 6.022 × 10²³ is called Avogadro number.
1 mole = 6.022 × 10²³ atoms
9.34×10²¹ atoms × 1 mol / 6.022 × 10²³ atoms
1.55×10⁻² mol
In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. This law means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another.
The law of conservation of energy states that energy can neither be created nor be destroyed, but it can be transformed from one form to another. So I considered an example of it as follows: water is stored at height with potential energy, the water flows and its potential energy is converted into kinetic energy.
Answer:
Dived the numbers by each other
Explanation:
25.3/19.9
Answer:
They repel due to a force of repulsion
