Answer:
Explanation:
%error= error/actual density x100
0.050/0.890 x100
=5.62%
<span>The answer is A. Gases are spread throughout the air and not packed tightly together. therefore the molecules move quickly and are least densely packaged. They have the highest energy because they also have the highest molecular motion. </span>
D. Na
There are 2 Na in the reactants, and only 1 Na in the product.
Explanation:
Chemical weathering is most effective when water is present.
Their are 4 valence electrons left, which means there is 2 lone pairs. I think.
