Answer:
i think several days of gray skies
Explanation:
since the weather is dry there would be no rain or snow but the weather would get much colder so just gray skies
They may break bonds,form new compounds, new ions etc...
Answer:
5.2g copper (Cu) => 0.082 moles copper (2 sig.figs.)
Explanation:
mole conversions:
grams to moles => divide by formula wt.
moles to grams => multiply by formula wt.
gas volumes to moles => divide volume by 22.4Liters/mole (STP conditions only)
This problem:
mass to moles => divide by formula wt.
mass = 5.2g = 5.2g/63.5g/mole = 0.082 moles copper (2 sig.figs.)
That would be 0.26 liters
Hope it help!
~Mqddie
