the pencil models are much bigger
Answer: 18.208710000000032
Explanation:
If we're talking about the pregnancy-morning-pain-relief smear, it's an exogenous hazard.
Answer:
b. 45 u
Explanation:
the mass of an atom is equal to the protons plus neutrons:
26+19=45
hope this helps :)
The balanced reaction shows for every 2 Aluminum we need 3 Chloride gas.
20 Al * (3 Cl / 2 Al) = 30 Cl
We have 45 Cl ... Which is more than enough for 20 Al
We have excess Cl
Then the limiting reagent = Al
