during the electrolysis of an aqueous solution of sodium nitrate, a gas forms at the anode, what gas is it?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by