What happens when a wave reflects?
a. they are absorbed by the object they hit.
b. they travel through the object they hit.
c. they bend when they hit the medium.
d. they bounce off the object they hit.

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”