A 50.0 mL volumetric flask filled with aqueous solution or hydrogen prroxide has a total mass of 88.5g the mass of the volumetric flask is 15.5g what is the density of the aqueous solution of hydrogen peroxide

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.

Determine the reaction and balance the following equations urgent due in the morning

Chemistry worksheet - i am not sure what they are asking for exactly?