Solid X is placed in contact with solid Y. Heat will flow spontaneously from X to Y
when

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.