Use the balanced equation below O2 + 2H2 > 2H2O

1. How many moles of hydrogen are needed to complete the reaction?

2. If 3.0 moles of oxygen are present with excess hydrogen, how many moles of water are formed?

Given 7.65 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball