From the unbalanced reaction: B2H6 + O2 ---> HBO2 + H2O How many grams of O2 (32g/mol) will be needed to burn 36.1 g of B2H6 (Molar mass = 27.67g/mol)? g

Include the correct number of significant figures in your final answer

What is the density of the black hole

__can be defined as which velocity changes

Freezing 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.