At a winery, glucose (C6H12O6) in grapes undergoes fermentation to produce ethanol (C2H6O) and carbon dioxide.
C6H12O6→2C2H6O+2CO2(glucose) (ethanol)

A: How many grams of glucose are required to form 160 g of ethanol? 3 Significant figures

B: How many grams of ethanol would be formed from the reaction of 0.340 kg of glucose? 3 Significant figures

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5