If a substance is covalent, then it likely will
2 answers:
Answer: Option (b) is the correct answer.
Explanation:
A substance in which bond forming between the combining atoms is due to the sharing of electrons is known as a covalent bond.
For example, bond present in a molecule is a covalent bond.
Some covalent bonds are non-polar in nature whereas water is a polar solvent. As it is known that like dissolves like.
Therefore, covalent molecules will not be soluble in water as water is a polar molecule.
Thus, we can conclude that if a substance is covalent, then it likely will not be soluble in water.
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Answer:
Mole percent of in solution is 1.71%
Explanation:
Number of moles of a compound is the ratio of mass to molar mass of the compound.
Molar mass of = 110.98 g/mol
Molar mass of = 18.02 g/mol
Density is the ratio of mass to volume
So, mass of 60.0 mL of water =
Hence, 6.50 g of =
of
= 0.0586 moles of
60.8 g of =
of
= 3.37 moles of
So, mole percent of in solution = \frac{n_{CaCl_{2}}}{n_{total}}\times 100% =
% = 1.71%
This problem is providing the initial volume and pressure of a gas in an engine cylinder and asks for the final pressure once the volume of the gas has decreased due to a compression. At the end, the result turns out to be 11.7 atm.
<h3>Boyle's law</h3>In chemistry, gas laws allow us to calculate pressure, volume, temperature or moles depending on a specified change and based on the concept and equation of the ideal gas, which derives the well-known gas laws; Boyle's, Charles', Gay-Lussac's and Avogadro's.
Thus, since this problem provides initial and final volume and initial pressure for us to calculate the final pressure, we understand we need to apply the Boyle's law as a directly proportional relationship between these two:
Thus, we solve for the final pressure, P2, to get:
Learn more about ideal gases: brainly.com/question/8711877