Answer:
Helium, this noble gas has the least density at STP
Explanation:
<u>Chemical</u>. The copper atoms form new chemical bonds with atoms in the air.
There are 2 possible answers here : b and d.
The Ideal Gas Equation is : <u>PV = nRT</u>
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Here, when pressure is increased and temperature is lowered, the volume of the molecules will substantially decrease, which means it has deviated from ideal behavior.
Explanation:
Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability
I think the answer is B. the sum of the enthalpy changes of the intermidiate reactions
