With a wet Erlenmeyer flask, the result will not be accurate. It might be contaminated by any type of liquid such as basic or acidic. Therefore, an error will occur since it is not 100% acid.- hope this helped
When an electron quickly occupies an strength state increased than its ground state, it is in an excited state. An electron can end up excited if it is given greater energy, such as if it absorbs a photon, or packet of light, or collides with a close by atom or particle.
Answer:
![V_{HCl}=80mL](https://tex.z-dn.net/?f=V_%7BHCl%7D%3D80mL)
Explanation:
Hello,
In this case, for the given reactants we identify the following chemical reaction:
![KOH+HCl\rightarrow KCl+H_2O](https://tex.z-dn.net/?f=KOH%2BHCl%5Crightarrow%20KCl%2BH_2O)
Thus, we evidence a 1:1 molar ratio between KOH and HCl, therefore, for the complete neutralization we have equal number of moles, that in terms of molarities and volumes become:
![n_{HCl}=n_{KOH}\\\\M_{HCl}V_{HCl}=M_{KOH}V_{KOH}](https://tex.z-dn.net/?f=n_%7BHCl%7D%3Dn_%7BKOH%7D%5C%5C%5C%5CM_%7BHCl%7DV_%7BHCl%7D%3DM_%7BKOH%7DV_%7BKOH%7D)
Hence, we compute the volume of HCl as shown below:
![V_{HCl}=\frac{M_{KOH}V_{KOH}}{M_{HCl}} =\frac{0.40M*40mL}{0.20M} \\\\V_{HCl}=80mL](https://tex.z-dn.net/?f=V_%7BHCl%7D%3D%5Cfrac%7BM_%7BKOH%7DV_%7BKOH%7D%7D%7BM_%7BHCl%7D%7D%20%3D%5Cfrac%7B0.40M%2A40mL%7D%7B0.20M%7D%20%5C%5C%5C%5CV_%7BHCl%7D%3D80mL)
Best regards.
Answer:
Water's boiling point is higher than acetone's one due to the stronger intermolecular forces it has in liquid phase.
Explanation:
Hello.
In this case, since no options are given we can infer from the statement that due to water's higher boiling point than acetone we can conclude that when they are in liquid state, water has stronger intermolecular forces which allow its particles to be held in a stronger way in comparison to the acetone's molecules, for that reason, more energy will be required in order to separate them and promote the boiling process, which is attained via increasing the temperature. Besides, less energy will be required for the separation of the acetone's molecules in order to boil it when liquid, therefore, a lower temperature is required.
In such a way, we can sum up that water's boiling point is higher than acetone's one due to the stronger intermolecular forces it has in liquid phase.
Regards.