The constellation Orion appears in the eastern sky in December. Where would you expect it to appear in March? .. If Orion is visible in the eastern night sky in December, then it will be visible in the western night sky in March due to the Earth's rotation.
40 g Ar.......6.023*10^23 atoms
x g Ar.......3.8*10^24 atoms
x=40*3.8*10^24/(6.023*10^23)=252,365g Ar
Yes it does because i just read it in a book im pretty sure but idk exactly
Balanced equation:
Mg + 2 HNO3 —> Mg(NO3)2 + H2
This is a metal + acid reaction giving salt and hydrogen (not water).
