15 points bryan and reggie, two bicyclists are on a bicycle path. at first bryan is riding with a velocity of 4 m/s, and reggie is riding with a velocity of 3 m/s. two seconds later, both bicyclists have a velocity of 6 m/s. which statement best compares the accelerations of the two bicyclists? a. neither bicyclist accelerated. b. both have the same acceleration. c. bryan has a greater acceleration than the reggie. d. reggie has a greater acceleration than the bryan.

Riding your bike, you can accelerate at a rate of 2m/s^2. If you start from rest, how long will it take to reach a speed of 20m/s?

answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :