The sun releases 3.83 x 1028 J/s of energy as a result of nuclear reactions. Suppose that mass is perfectly converted to generate this energy. How much mass is the sun losing every second from this conversion? Give
your answer using scientific notation in kilograms.

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?