The first order decomposition of N2O5 to form NO2 and O2 has k = 6.82 x 10^-3 s^-1 at 70°C. What % of the N2O5 has decomposed after 278 s?

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

explanation: no but i do not usually comment

16

explanation:

the marks go by 4s