Explanation:
One of the most fascinating chemical experiments is the reaction between silver nitrate and copper wire in water. Characterised by fractal-like precipitates, this experiment is a stunning example of a simple redox reaction.
Answer:O D to protect the environment from harmful chemicals
Explanation:
I would say A,B and D. The spectra allow for the determination of isotopic signatures of samples, the masses of particles and of molecules and thus the density, and most likely the energy levels of atoms. The energy given off by the elements allow these qualities and quantities to be determined.
The mass of substance which consists the equal number of particles as 12 grams of Carbon-12 is said to be mole.
For example:
The balanced chemical equation for production of water from hydrogen and oxygen is:
That means 2 moles of reacts with 1 mole of to give 2 moles of .
The given formula is .
Hence, 4 represents the number of moles in formula that is 4 moles of .
The number of atoms of sodium, in is:
The number of atoms of sulfur, in is:
The number of atoms of oxygen in, in is:
Answer: controller.
Justification:
A fission reaction is the split of the nucleus of an atom due to the bombardment with neutrons.
A fission reaction may terminate in a reaction chain, a controlled reaction or extinguish.
When for every 2 or 3 neutrons released, only one neutron is allowed to strike a fissionable nucleus, the reaction is controlled.
When the the ratio is less than one then the reaction will be extinguished.
When the number of reactions grow, this is a reaction chain, where the reaction is out of control, and the consequence is the release of vast amount of energy (heat) is a short time, causing a nuclear explosion.