Why activation energy is present in all chemical reactions?

A 9.0L volume of chlorine gas is heated from 27C to 127C at a constant pressure. What is the final volume

The formation of a plaque and halitosis can be avoided by brushing and flossing at least :

When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

For the reaction PCl5 (g) + heat PCl3 (g) + Cl2 (g), what will happen when the volume is increased? A. There will not be a shift in equilibrium. B. There will be a shift toward the products. C. There will be a shift toward the reactants. D.

V. T2 = V2T, is an expression of Boyle's Law Dalton's Law The Ideal Gas Law Charles' Law

What compares a law and a theory?

Explain what domain would best be represented by the "?" in the diagram. A) Eukarya because the organisms are all eukaryotic. B) Eukarya because the organisms are all prokaryotic. C) Bacteria because some of the organisms are autotrophs.

If you are eating a hamburger, it is an example of a consumer eating another consumer. a) true b) false

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g) Explain in steps

In which group do all atoms have seven valence electrons in the ground state?