What type of chemical reaction is C3H8 + O2 ---> CO2 + H2O ?
A. Synthesis

B. Decomposition

C. Single Replacement

D. Double Replacement

E. Combustion

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1

Which metal exist in liquid state and can be cut with knife ?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .