N2 + 3h2 2nh3 how many molecules of h2 are in the reaction? molecules how many nitrogen atoms are present? atoms how many moles of nh3 are formed? moles

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space