N2 + H2 ---> NH3

1, 2, 3
3, 2, 1
1, 3, 2
2, 3, 1

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

Which element is least likely to undergo a chemical reaction

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin