Choose the three most important pieces of personal protective equipment that you must wear during every laboratory. a. cryogenic resistant
b. gloves
c. chemical splash shield
d. gloves
e. shoes that cover the whole foot
e. appropriate attire (long pants and a shirt with sleeves) eye protection

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two

The most common form of matter in the universe