Answer:
The amount of electric power produced for each unit of thermal power gives the plant its thermal efficiency, and due to the second law of thermodynamics there is an upper limit to how efficient these plants can be.
Concrete is classified as a homogeneous mix
Answer:
The answer is "
"
Explanation:
1-mole molecules as per Avogadro number
1-mole 


Hydrogen on sharing its one electron with chlorine results in formation of hydrogen chloride molecule and chlorine and hydrogen complete its octet by sharing one electron of each and thus forming a single covalent bond by sharing of two electrons.
Answer:
One or more number of species which have same number of atomic number but different mass number are called isotopes.
For example,
are the isotopes of hydrogen.
So here, the atomic number of each of these isotopes is 1 and have different mass number, that is, 1, 2, 3.