A mixture of gaseous butane (C4H10) and 200% theoretical air, both enter a combustion chamber at 25C and 1 atm. The butane reacts completely. If the combustion chamber is well insulated, what is the temperature of the combustion products exiting

List four observations that indicate that a chemical reaction may be taking place

What is the most important factor in determining climates.

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.