A watt is a unit of power.
Answer: 17.6psi
Explanation:
V1 = 10.5 L
P1 = 14.3 psi
V2 = 8.55L
P2 =?
P1V1 = P2V2
14.3 x 10.5 = P2 x 8.55
P2 = (14.3 x 10.5) / 8.55
P2 = 17.6psi
Answer:
5.00 g of solute will remain undissolved at the bottom of the container
Explanation:
From the question, the solubility of the solute in the given solvent is 45.0 grams of solute per 500 grams of solvent.
Now if i pour 50.0 grams of solute into 800 grams of solvent, it means that only 45 g will dissolve in 500 g of solvent leaving the additional 5 g undissolved.
Hence, 5 g of solute will remain undissolved at the bottom of the container.
Second Ionization energy is required to move from Ca⁺ to Ca²⁺ + e⁻. Hence, option D is correct.
<h3>What is first ionization energy?</h3>
First ionization energy: The energy needed to remove the outermost, or highest energy, an electron from a neutral atom in the gas phase.
An element's second ionization energy is the energy required to remove the outermost, or least bound, an electron from a 1+ ion of the element. Because positive charge binds electrons more strongly, the second ionization energy of an element is always higher than the first.
Let us write the reaction equation properly:
Ca⁺ → Ca²⁺ + e⁻
In the reaction above, we see that calcium goes from a single charge to being doubly charged by losing an electron.
Different atoms bind their valence electrons with different amounts of energy. We must supply enough energy to remove the most loosely held electrons in an atom. This amount of energy required is called ionization energy.
The first ionization energy removes the outermost electron and makes the atom to become an ion.
Hence, option D is correct.
Learn more about the ionization energy here:
brainly.com/question/16243729
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