A spring is stretched 55 cm from its testing position. If the spring's constant of proportionality is 15N / m, what is the spring potential energy? (Keep 3 significant figures)

Phase change occurs in which of the following

Calculate the volume in liters of a 0.133mol/L copper (II) sulfate solution that contains 150. g of copper (II) sulfate (CuSO4). Be sure your answer has the correct number of significant digits

Magnetic stripes on the seafloor are caused in part by: A. tidal forces. B. gravity. C. movement of ocean crust. D. declination of the poles.

Is adding salt and vinegar to an old penny a chemical or physical change

The highest parts of transverse wave is called

A system that transmits genetic information from one generation to the next

Consider the following four solutions: a. NaCl in water b. Acetic acid in water c. Acetic acid in benzene d. Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type?1.

Formula for sulfur tetrafluoride

Geologists think that parts of the Appalachian Mountains formed originally from sediments accumulating in shallow swamps. The weight of the sediments caused the area beneath them to sink, allowing more sediments to accumulate.

What volume would 1.5 mol of nitrogen gas occupy at standard temperature and pressure?