What are you asking you have to be more exact
Answer:
The answer is
<h2>11.18 cm³</h2>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula

From the question
mass = 123 g
density = 11.3 g/cm³
The volume is

We have the final answer as
<h3>11.18 cm³</h3>
Hope this helps you
Answer:

Explanation:
Given that:

From equation (3) , multiplying (-1) with equation (3) and interchanging reactant with the product side; we have:

Multiplying (2) with equation (4) ; we have:

From equation (1) ; multiplying (-1) with equation (1); we have:

From equation (2); multiplying (3) with equation (2); we have:

Now; Adding up equation (5), (6) & (7) ; we get:



<u> </u>

<u> </u>
<u />
(According to Hess Law)


The masses of the objects and the distance between them
-hope it helps
Copper chloride ...............