In the following reaction, how many grams of ammonia (NH3) will react with 27.8 grams of nitric oxide (NO)?

4NH3 + 6NO → 5N2 + 6H2O

The molar mass of ammonia is 17.0337 grams and that of nitric oxide is 30.01 grams.

A.
23.7 grams

B.
10.5 grams

C.
73.5 grams

D.
32.7 grams

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

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas