Calculate the change in entropy when the pressure of a 64.0 g sample of oxygen gas is increased from 625 mmHg to 1.24 atm at a constant temperature of 25 degrees * C . Assume ideal behavior.

Determine the  wavelength of light emitted when an electron  in an li2+ ion  makes a transition from an orbital with n  =  6 to an orbital with n  = 5.

The answer is 4 i don't know if its right let me see.

Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).

Answer(false);