The third beaker doesnt dissolve as fast as one and two
as it has nothing changed to it
when you stir it gives the sugar more kinetic energy to dissolve
when you heat up the solution it also gives the sugar more kinetic energy
hope that helps
Question 1
Fe(III) forms a chelate complex with salicylic acid which has purple color. therefore, when a solution is made either with salicylic acid or with aspirin having trae amount of salicylic acid in it, we see color formation in solution due to the resulting complex formed.
Question 2
The Fe(III) itself absorbs some light and gives an absorbance value for the solution. Therefore, it is necessary to blank the spectrophotometer with a Fe(III) solution prior to measurement of test solutions.
Answer:
Radioactive isotopes are widely used in medical field
Explanation:
Radioactive isotopes are widely used in medical field.
Radiations emitted by radioactive isotopes or used to kill the microorganism in food and to increase the shelf life of food.
Cobalt-60 is used to treat the cancer.
Iodine-131 is used to check the activity of thyroid.
Technetium-99 also used for the thyroid.
Phosphorus-32 is used to detect the cancer specially in skin and eyes.
Xenon-133 is used for lungs imaging.
Au-198 is used to diagnose the liver disease.
Co-60 is used as gamma ray irradiation of tumor.
In industry radioactive isotopes are used to measure the thickness of materials.
It equals 2000 but in this case it would be 20,000mm3
