At 180 °C, the decomposition of a gaseous compound XO2 is a first order reaction with the half-life 38.6 min. The initial pressure of XO, is 372. 5 kPa.

a)What is the rate of decomposition of XO2 after 1 hour?

b)What is the partial pressure of XO2 after 3 hours?

Kindly show the workings by hand

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Light waves can move through , but they travel fastest when they move through a(n) .

What are the two largest greenhouse gases