Hydrogen, when combined with nitrogen in a chemical reaction, forms ammonia.

which type of chemical reaction is this an example of? why?

a) single-displacement

b) synthesis

c) decomposition

d) double-displacement

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.

Among the elements of the main group the first ionization energy increases