D= M/V so, D=300/40 wich is 7.5 so D= 7.5g/m3
Answer:
I Would bc it's the better opportunity
Answer:
Cu(s) + 2AgNO3(aq)→Cu(NO3)2(aq)+2Ag(s)
This chemical equation means:
One mole of solid copper plus two moles of aqueous silver nitrate produce one mole of copper(II) nitrate plus two moles of solid silver.
This is a single replacement reaction in which the metal copper replaces the metal silver.
Free electrons tend to go from the negatively charged body to the positively charged body
Nitrous oxide has 2 nitrogen atoms and 1 oxygen atom per molecule
