Nitrogen (n2) and hydrogen (h2) react to form ammonia (nh3). consider a mixture of six nitrogen molecules and six hydrogen molecules in a closed container. assuming the reaction goes to completion, what will the final product mixture be?
a. number of nh3 molecules
b. number of n2 molecules
c. number of h2 molecules
which of the following equations best represents this reaction?
a. 42 n2 + 6 h2 4 nh3
b. 6 n2 + 6 h2 4 nh3 + 4 n2
c. n + 3 h2 nh3
d. n2 + 3 h2 2 nh3
e. n2 + h2 nh3

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Which fact represents evidence for the big bang theory?