Kc =[CO2]2/[CO]2[O2] is the equilibrium constant for which chemical reaction?

Group of answer choices

CO + O2 ↔ CO2

2CO + O2 ↔ 2CO2

2CO2 ↔ 2CO + O2

CO + 1 2 O2 ↔ CO2

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Point s lies between points r and t on . if rt is 10 centimeters long, what is st? 2 centimeters 4 centimeters 6 centimeters 8 centimeters