50% of a reaction is completed in 20 minutes and 75% is completed in 30 minutes from the beginning.What is the order of reaction

The decomposition of N_(2)O_(5) at an initial pressure of 380 mm and 50^(@)C is 50% complete in 56 minutes and 71% complete in 100 minutes. What is the order of reaction? How much of N_(2)O_(5) will decomposes in 100 minutes at 50^(@)C but at an initial pressure of 500 mm ?

At 100 K, a reaction is 30% complete in 10 minutes, while at 200 K, 30% is complete in 5 minutes . The activation energy of the reaction is :

A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of reaction?

50% of a reaction is completed in 16 minutes. What fraction of the reaction would occur in 32 minutes ? Given that reaction follow first order reaction.