Which of the following is NOT true about energy?* Energy can be stored.

Energy can be transferred.
it

Energy can be absorbed or released from a system.

Energy changes after a transfer.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?