What is the current in a series circuit that has two resistors (4.0 ohms and
7.5 ohms) and a power source of 9.0 volts?
A. 2.6 amps
B. 12 amps
C. 1.6 amps
D. 0.78 amps

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

Energy flows from the producer level to the level. is called

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