According to the Law of Conservation of Mass, when the following equation is balanced, the coefficients are ________. ____ NH3 (g) +  ____ O2 (g) →  ____ NO2 (g) +  _____ H2O (g)

Determine the mass of 4.57 mol of CO2. 

The Boolean Satisfiability Problem (SAT) is an NP-complete optimization problem. Which of the following are good heuristic candidates to solve this problem ? (select all that apply)

________ is often referred to as the “stress” hormone since it initiates and maintains seed and bud dormancy.

Which body system plays a role in influencing behavior?

Which term describes the forcing out of water at the surface of a plant’s leaves?

Choose the correct verb conjugated form of the Regular Preterite in the following sentence:Mi hermano y su novio _________ (vivir: ellos) en París por unos años.

Choose the correct Direct Object Pronoun in the context below:¿cafés?

Choose the correct verb (saber or conocer) in the sentence:El amigo de Alberto _______________ bien a la amiga de Alessandra.

Choose the correct Indirect Object Pronoun in the following sentence:Alondra ___________ vendió todos sus libros a ti.