Umm what kind of question is that but i think gain lol
Answer:
the answer is D
Explanation:
percentage composition= mole of the substance divided by the total molar mass of the compound multiplied by 100.
Mercury exist as liquid at normal earth tempertures
Answer:
Equation 2, because K being more reactive, exchanges position with Pb in PbNO3.
Explanation:
Kinetic Energy Statement
Kinetic energy is energy that a body possess as a result of its motion. Kinetic energy as it is mathematically written is the "classic statement" of: Kinetic energy is equal to half the mass of an object times its velocity squared.
There are five types of kinetic energy: radiant, thermal, sound, electrical and mechanical. Let us look at some of the kinetic energy examples and learn more about the different types of kinetic energy.
Hope this helped!
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