Select the correct answer.
What does the law of conservation of energy state?
O A.
Energy can be created from nothing.
OB. Energy cannot be destroyed.
C. Energy cannot change forms.
D.
The total amount of energy in a system changes continuously.

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

How many atoms are there in 5.70 mol of mg