Which of the following explains the increase in reaction rate caused by raising the temperature or raising the pressure of a system?
a) surface area theory
b) activation energy theory
c) potential energy theory
d) collision theory

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

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

Based on the equation and the information in the table, what is the enthalpy of the reaction?