In a heat engine, 500 J of heat enters the system, and the piston does 300 J of work. What is the final internal (thermal) energy of the system if the initial energy is 1500 J? 200 J
800 J
1300 J
1700 J

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.