Ethyl alcohol has a density of 0.80 g/mL. What is the mass of 40 mL of ethyl alcohol answer choices :
40 g
50 g
32 g
0.020 g
34 g
I’m looking for an actual answer not a link to some random website :)

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.