2) A barbecue is being planned for 175 people. The ice cream sandwiches for desert cost $1.68 per dozen. It is
assumed that the average number of sandwiches eaten per person will be 1.25. What will it cost to buy ice cream
sandwiches for the barbecue. Solve the problem by dimensional analysis.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory