C.) double covalent, I looked it up and it kept say double on like every website so that's what I'm going with. Sorry if it isn't right. Lol.
Answer:
c. Hfus is always negative.
Explanation:
Because energy is released when fusing solids
ANSWER:
2.65 g H2O
Explanation:
6.49g (co2) / 44.009g (co2) x 1 mol (co2) / 1 mol (h2o) x 1 mol (h2o)
=0.147 mol H2O
0.147 mol (H2O) / 1 mol (h2o) x 18.015 g (h2o)
=2.65 g H2O
Answer:
B They move because of the convection currents in the mantle.
Answer:
%
%
%
%
Explanation:
If we know the grams of a chemical compound in a specific reaction, it is possible to know the percentage of each atom that composes it.
For the Aluminum Oxide in this problem, we know its total weight and the grams of each component.
therefore we can determine the percentage ratio of its components through:
For Al
%
%
%
%
%
%
In the same way for oxygen
%
%
%
%
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%