What type of reaction is the balance equation below?
C3H8-->3CO2 + 4H2O

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?