_4_NH3 +_3_02 ---> _2_N2 + __6_H20
How many moles of oxygen react with 0.69 moles of NH3?

Iwill give extra points to who gets this right

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

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