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Does the potential energy of molecules decrease as they get closer to one another?
Yes, the potential energy of molecules decreases as they get closer to one another due to attractive forces such as van der Waals forces and hydrogen bonding. This decrease in potential energy is responsible for the formation of stable chemical bonds between the molecules.
Which color of light - in the visible hydrogen spectrum - has photons of the shortest wavelength?
The visible color violet has the shortest wavelength. Just remember Roy G. Biv where the "R" means red, "o" means orange, "y" means yellow, "G" means green, "B" means blue, "i" means indigo, and "v" means violet. :)
What wavelength is a transition from n5 to n3?
The wavelength of a transition from n=5 to n=3 in hydrogen-like atoms can be calculated using the Rydberg formula: 1/λ = R(1/n₁² - 1/n₂²), where R is the Rydberg constant. The transition will result in the emission of a photon with a wavelength in the ultraviolet region.
Why cant light of 500 nm be given off from hydrogen?
Hydrogen, like all elements, have a characteristic distance between energy levels. The atom can only accept photons of energy that match that distance and then that light is emitted. 500 nm does not match the wavelength of light that matches the wavelength corresponding to the energy gap in hydrogen.
What is the shortest wavelength radiation in balmer series?
The shortest wavelength radiation in the Balmer series is the transition from the n=3 energy level to the n=2 energy level, which corresponds to the Balmer alpha line at 656.3 nm in the visible spectrum of hydrogen.
Why does blood hydrogen ion concentration decrease as the body's metabolic rate decreases?
As the body's metabolic rate decreases, the amount of CO2 that is released into the blood stream decreases as well. The reduced amount of free CO2 means that there is less interaction with H20 which in turn reduces the amount of carbonic acid in the blood stream. With less carbonic acid, there is less neutralization, then there is less free hydrogen ions in the blood stream.
What happens to the hydrogen ion concentration as you decrease the pH?
Hydrogen ion concentration increases.
What compound decreases hydrogen ions?
A basic compound, such as sodium bicarbonate (baking soda), can decrease hydrogen ions by accepting them to form water and carbon dioxide. This process helps to neutralize acids in solution.
When mg reacts with hydrochlric acid why does the mass decrease?
When magnesium reacts with hydrochloric acid, magnesium chloride and hydrogen gas are produced. The mass decreases because a gas (hydrogen) is being released during the reaction, which leads to a loss of mass in the reaction vessel.
What name is given to substance the decrease the concentartion of hydrogen ions in solution?
A substance that decreases the concentration of hydrogen ions in a solution is called a base or alkaline substance. It helps increase the pH of the solution, making it less acidic.
What is the wavelength of the hydrogen?
21 centimeter line
Why does the amount of hydrogen in a star decrease?
The amount of hydrogen in a star decreases over time because hydrogen fuses into helium through nuclear reactions in the star's core, releasing energy in the process. As the star continues burning hydrogen, it eventually exhausts its hydrogen fuel supply, leading to changes in its structure and behavior.
How does the concentration of hydrogen ions vary with pH?
pH is the negative log of the hydrogen ion concentration. So lowering pH from 5 to 4 means a ten times increase in hydrogen ion concentration. Increasing pH by 1 results in decreasing hydrogen ion concentration to 1/10th its former level.
Why does the amount of hydrogen in a star decrease over time?
The amount of hydrogen in a star decreases over time because the star fuses hydrogen into helium in its core through the process of nuclear fusion. This conversion of hydrogen into helium releases energy that powers the star and results in a gradual depletion of its hydrogen fuel source.
What effect does dilution have on the hydrogen ion concentration of sulphuric acid?
Diluting sulfuric acid decreases the hydrogen ion concentration because the concentration of sulfuric acid molecules in the solution decreases. As a result, the overall hydrogen ion concentration decreases in the diluted solution.
Why the acidic character increases with the decrease in pH?
The acidic character increases with decrease in pH because the pH and acidity are both dependent on the hydrogen ion concentration, with pH being the negative log of the hydrogen concentration. So, at the concentration of H+ increases, the negative log of the H+ concentration decreases.
Which substances decrease the hydrogen ion concentration in a solution?
Adding a base the hydrogen concentration decrease.
