1)For the reaction shown, calculate how many moles of NH3 form when each amount of reactant completely reacts. 3N2H4(l)→4NH3(g)+N2(g)
5.6×10^−2molN2H4
Express your answer using two significant figures.
2) 9.32×10^7molN2H4

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

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

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2