Lhchxxlydoydyodyofyofoydy
Answer:
Option A. Gases are compressible and have a variable shape.
Explanation:
From the knowledge of kinetic theory of matter, we understood that the force of attraction between gases molecules are negligible and this makes the gas molecules to be far apart. With this character, they can easily be compressed. Since the molecules of gas are far apart, they have no fixed shape, but tends to assume the shape of the container they are placed.
Answer:
24.9mL of the stock solution are required
Explanation:
To solve this question we have to find, as first, the moles of HCl that we need to prepare the desire solution. These moles are taken from the stock solution as follows:
<em>Moles diluted solution:</em>
500.0mL = 0.5000L * (0.613mol / L) = 0.3065 moles HCl
As these moles comes from the 12.3M HCl solution, the volume that we need of the stock solution is:
<em>Volume stock solution:</em>
0.3065 moles HCl * (1L / 12.3moles) = 0.0249L 12.3M HCl =
<h3>24.9mL of the stock solution are required</h3>
Answer:
The First Law of Thermodynamics (Conservation)
states that energy's always conserved, it cannot be created or destroyed.