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How does the rate of temperature change depend on the temperature difference between the two beakers?
The rate of temperature change typically depends on the temperature difference between the two beakers according to Newton's Law of Cooling. The greater the temperature difference, the faster the rate of temperature change between the two beakers.
What is a natural acid/base indicator and how does it function in determining the pH of a solution?
A natural acid/base indicator is a substance that changes color in response to the acidity or alkalinity of a solution. It functions by undergoing a color change based on the pH level of the solution it is placed in. This color change can help determine the pH of the solution, with different colors indicating different pH levels.
You place a drop of a solution on red lemons paper no color change occurs what can you conclude?
You can conclude that the solution is not acidic in nature since red litmus paper does not change color in the presence of an acidic solution. Further testing with a different indicator may be needed to determine the nature of the solution.
When copper sulfate mixed with sodium hydroxide is a form of physical change or chemical change?
The reaction between copper sulfate and sodium hydroxide is a chemical change, as new substances are formed with different chemical properties from the original substances. The blue copper sulfate solution reacts with the colorless sodium hydroxide solution to form a blue precipitate of copper hydroxide and sodium sulfate solution.
What is the overall energy change that occurs when a solution forms?
The overall energy change that occurs when a solution forms is the sum of the energy required to break the solute-solute and solvent-solvent interactions (endothermic process), and the energy released when solute-solvent interactions are formed (exothermic process). This results in either an endothermic or exothermic process, depending on the relative magnitudes of these interactions.
What is the process responsible for the change in mass of the dialysis tubing in the beakers?
Diffusion
How does the rate of temperature change depend on the temperature difference between the two beakers?
The rate of temperature change typically depends on the temperature difference between the two beakers according to Newton's Law of Cooling. The greater the temperature difference, the faster the rate of temperature change between the two beakers.
How do you determine the concentration of ascorbic acid in unknown sample?
first measure the volume of the sample solution needed to change the blue color of the DCPIP solution into colourless. then, weigh the mass of the sample solution. finally calculate the concentration by using the formula: volume required t change the color of DCPIP solution (dm) per mass of the sample solution (g)
Why does salt separated from a saltwater solution look different that the salt that dissolved in the water?
they change form
What is a natural acid/base indicator and how does it function in determining the pH of a solution?
A natural acid/base indicator is a substance that changes color in response to the acidity or alkalinity of a solution. It functions by undergoing a color change based on the pH level of the solution it is placed in. This color change can help determine the pH of the solution, with different colors indicating different pH levels.
Does a solution have a chemical change?
A solution does not have a chemical change, but it does have a physical change in state.
You place a drop of a solution on red lemons paper no color change occurs what can you conclude?
You can conclude that the solution is not acidic in nature since red litmus paper does not change color in the presence of an acidic solution. Further testing with a different indicator may be needed to determine the nature of the solution.
Why does salt separated from a saltwater solution look different than the salt that dissolves in the water?
they change form
Why do people struggle for change?
Actually, change in things is a basic nature that what people required. Many people want change it's different thing that whether it is likable or not.
What is relation between hydration energy lattice energy and enthalpy of solution?
The enthalpy of solution is the sum of the lattice energy (energy required to break apart the crystal lattice) and the hydration energy (energy released when ions are solvated by water). If the final enthalpy of solution is negative, it indicates that the overall process is exothermic and favors dissolution in water. Conversely, a positive enthalpy of solution implies that the process is endothermic and less likely to occur spontaneously.
What food type show no colour change when tested with biuret solution?
Fats and oils show no color change when tested with biuret solution. This is because biuret reagent specifically tests for proteins, and fats have a different chemical composition that does not react with the reagent to produce a color change.
Can bases be classified with an indicator?
Yes. There are many different types of indicators that change colors at different levels of pH. While it will depend on you concentration of base. You can use it indicate if a solution is basic, and narrow down the actual species in solution.
