Answer:
<h2>0.93 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 37.2 g
volume = 40 mL
We have

We have the final answer as
<h3>0.93 g/mL</h3>
Hope this helps you
Answer:
A picture .There is high reactions in progression still the energy reaction reduced to indicate complete reaction.
D.because the water is needed to wet the sand and keep the reaction safe
Answer:
same, different
Explanation:
Resonance structures have _same______ connectivity of atoms and __different_____ distribution of electrons.
Resonance structures are obtained in molecules where the atomic positions are the same but the electrons joining the atoms keep on delocalising. Usually, none of the resonating structures can fit the molecule or ion. This implies that the real structure is the hybrid of all the possible structures.