Answer:
<h2>Density = 0.46 g/mL</h2>
Explanation:
Density of a substance can be found by using the formula
<h3>

</h3>
From the question
mass = 5.52 g
volume = 12 mL
Substitute the values into the above formula and solve for the Density
That's
<h3>

</h3>
We have the final answer as
<h3>Density = 0.46 g/mL</h3>
Hope this helps you
Answer:
The answer is B
B) gravitational potential energy only
I think it's A but it might be different from your school and mine
2 moles x 6.02 x 10^23 maybe
Zn(NO3)2 + Cu will be the result of this single displacement (replacement) reaction :))