The balanced chemical equation below shows the reaction between nitrogen (N2) and hydrogen (H2) to form ammonia (HN3). N2 + 3H2 - 2NH3

IF 10.0 grams of nitrogen reacts with hydrogen to form 12.0 grams of ammonia, then how many grams of hydrogen were used in this reaction?

A. 3.0 g of H2

B. 2.0 g of H2

C. 10 g of H2

D. 12 g of H2

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

registered nurse (rn): the rn is responsible for carrying out both the medical plan of care prescribed by the physician as well as the nursing care plan developed by the nursing staff. the rn assesses each resident and modifies the nursing care as needed to meet the patient's needs.