Dependent variables are the variables whose value depend on another variable. Its value changes as the independent variable changes.
Independent variables are the variables which do not depend on any other variable beside . Its value does not change with a change in other dependent variables.
While conducting experiment scientist changes dependent variable in order to record observations.
I had to look for the options and here is my answer: The two requirements for nuclear fusion that are needed to be met in order for the elements hydrogen and helium fuse to make heavier elements are extremely high temperatures and density. Hope this helps.
Molality can be expressed by moles of solute over
kilograms of solvent. The question asks the molality of 0.25m NaCl. 0.25m NaCl
is equal to 0.25 moles of NaCl over 1 kg of water.
