1. 2H2 + O2  2H2O a.) How many moles of H2 would be required to produce 8.21 moles of water?

b.) What mass of H2O is formed when H2 reacts with 57 g of O2?

What are the percent by mass of copper in penny lab

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.