How many moles of ammonia would be required to react exactly with 0.870 moles of copper(II) oxide in the following chemical reaction? 2NH3(g)+3CuO(s)=3Cu(s)+N2(g)+3H2O(g )

Determine the reaction and balance the following equations urgent due in the morning

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

What is the name of the enzyme that forms at the start of transcription?