Read the information in the table below:
reaction a b description enthalpy of the system decreases enthalpy of the system increases
which type of reaction is represented by a? (5 points)
reaction between liquids
reaction between solids
endothermic reaction
exothermic reaction

Where are chemicals found at work? a. only in cleaning products b. only in carpets and paint c. in every area of work d. only in food preparation submit

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

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.