An automobile engine generates 2230 Joules of heat that must be carried away by the cooling system. The internal energy changes by -2873 Joules in this process. Calculate w for the engine. This represents the work available to push the pistons in this process.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.

catya that's not even a b or c

i believe the answer is 5,000