Ascientist observed changes in the gas pressure of one mole od a grass in a sealed chamber with a fixed volume. to identify the source of the change, the scientist should check for variations in the
a. air pressure
b. molecular formula
c. temperature of the chamber
d. isotopes of the gas

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon