Which has more particles, a mole of copper (Cu) atoms or a mole of neon
(Ne) atoms?
A.

Impossible to determine
B.

they both are the same

C.
Copper

D. Neon

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?