In order to go to a lower energy orbit, an electron A) must be transferred to another atom.

B) loses energy of a specific amount.

C) must disappear.

D) must combine with other electrons.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms