Nal+ Pb(SO4)2 →> products and reaction type
1 answer:
The reaction is based on law of conservation of mass.
The balanced chemical equation is
Every balanced chemical equation follows the direction of conservation of mass. This law states that mass can neither be completed nor can be destroyed but it can only be transformed from one condition to another form. This law likewise states that the total number of individual atoms on the reactant side must be comparable to the total number of individual atoms on the product side.
- The Law of Conservation of Mass holds because naturally occurring elements are stable under the conditions located on the surface of the Earth. Most elements come from fusion reactions found only in stars or supernovae.
- Consequently, in the ordinary world of Earth, from the peak of the highest mountain to the depths of the deepest ocean, atoms are not transformed into other elements during chemical reactions. Because of this, individual atoms that make up living and nonliving subjects are very old and each atom have a history.
- An individual atom of a biologically essential element, such as carbon, may have expended 65 million years buried as coal before standing burned in a control plant, followed by two decades in Earth's environment before being disbanded in the ocean,
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You might be interested in
1. The atomic number is equal to the number of protons in the nucleus, and the mass number is equal to the number of protons and neutros in the nucleus.
Therefore, to find the number of neutrons we must do mass number - atomic number, which equals 54.
Answer 1: a. 54
2. Atoms of a same element that have a different number of neutrons in the nucleus are called isotopes of an element.
Answer 2: d. Isotopes
3. Potassium has an electron configuration of , meaning that the first 3 shells are full, and that the last shell (4th one) has only 1 electron.
Answer 3: c. Shells 1, 2 and 3 are full and shell 4 has one electron.
4. An atomic bond isn't a specific bond, it's just a term. Polar covalent and non-polar covalent bonds are strong bonds, which leaves us with the hydrogen bonds, which are indeed the weakest bonds out there.
Answer 4: a. Hydrogen bond
Hope it helped,
BiologiaMagister