5. What is the molar mass of ethanol (C2H5OH)? A) 45.06 g/mol
C) 30.03 g/mol
B) 34.06 g/mol
D) 46.07 g/mol

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

How many moles are equivalent to 55.5g of nano3

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l