<span>c. energy needed to remove an electron from an atom or ion in the gas phase</span>
AgNO₃ and Cu(NO₃)₂ are dissolved in water
Seeing signs of a chemical reaction does not always mean that a reaction is happening. For example, a gas (water vapor) is given off when water boils. ... You can tell that it is a physical change because water vapor can condense to form liquid water. In a chemical change, a new substance must be produced.
It is 5n , that’s it the difference between the 10n and the 15 n
Represent the gravity of granite is 2.7
