If i dont care about science then im not going to do my work because i hate it
If i dont care about science then im not going to do my work because i hate it
That depends on what solid you add and what the solution is of. Adding more of the same salt to a solution will just increase the concentration, unless it is saturated. Adding a different salt will increase the concentration of all parts, unless one of the possible salts that can be formed is not very soluble and will precipitate. Adding a hydroxide to an acidic solution will result in neutralisation and adding an acid to a basic solution will as well. There are many more possible combinations that could be used, and will have different results.
A simple example of a solution in equilibrium is a saturated salt solution, where the rate of salt dissolving is equal to the rate of salt crystallizing out of the solution, resulting in a dynamic equilibrium where the concentration of salt remains constant.
Decreasing the temperature of the water would typically decrease the rate of solution, as lower temperatures slow down the movement of water molecules, leading to a slower dissolution process. Additionally, decreasing the surface area of the solid by breaking it into larger chunks or reducing its surface area would also slow down the rate of dissolution.
When the dissolving rate equals the rate at which molecules come out of solution, the solution is in a state of dynamic equilibrium. This means that the amount of solute dissolving is equal to the amount of solute precipitating out of solution, resulting in a stable concentration of solute.
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If i dont care about science then im not going to do my work because i hate it
If i dont care about science then im not going to do my work because i hate it
Increasing concentration typically refers to adding more of a substance into a solution to make it more potent or dense. This can lead to various effects such as increasing the reaction rate, solubility, or effectiveness of the solution.
to remove carbondioxide from the solution and also to increase the rate of reaction
The evaporated water is replaced by the added water.
Adding nothing to the water should not affect the rate at which the water freezes. Adding substances, though, can noticeably depress the freezing point so that it will take longer to freeze than pure water under the same conditions. Salt is commonly used for this purpose. Adding nothing to water isn't expected to do anything to the rate at which it freezes.
Yes, pure water is evaporated faster.
Any impurity reduce the rate of evaporation.
In this case, adding a drug like metoprolol may help your blood pressure, it will decrease your heart rate and therefore your blood pressure, and the effects of anxiety on your pressure will be minimized
Water evaporates from a solution when the molecules at the surface gain enough kinetic energy to break the intermolecular bonds holding them to the solution, moving into the gas phase. This process continues until equilibrium is reached, where the rate of evaporation equals the rate of condensation.
The rate of disappearance of ethyl bromide would decrease if the solution were diluted by adding an equal volume of pure ethyl alcohol. This is because the concentration of ethyl bromide would decrease, resulting in fewer ethyl bromide molecules available for the reaction. The rate of reaction is directly proportional to the concentration of reactants, so decreasing the concentration would slow down the rate of disappearance.