What is the change of enthalpy for a reaction if the reactants have 270 kj of energy and the products have 150 kj ?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude