Is this equation endothermic or exothermic? How do you know?

2NaCl + 822 kJ - -> 2Na + Cl2

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an integrating center? A. sensor B. effector C. stimulus D. response

Qualities of a mineral that classify it as ore

Is Co a chemical compound

Explain how index minerals allow scientists to understandthe history of a metamorphic rock

The pks for the ionizable groups in the amino acid lysine are pk1 = 2.18, pk2 = 8.95, and pk3 = 10.53. what would be the net charge on lysine at ph = 7.0

How many valence electrons are available for bonding in silicon

Which statement best explains why objects are pulled toward Earth's center? Earth has a magnetic force that is strongest at its core. Earth has a much greater mass than objects on its surface.

How is the sun related to nuclear electromagnetic and heat energy

How many moles are im 8.31x1023 molecules of h2so4

Cuales son otras sub particulas atomicas que presenta el atomo