Structural isomers have
A. the same molecular formula.
B. different physical and chemical properties.
C. the same elements in the same proportions.
D. all of the above.

When balancing a chemical equation:

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration