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Balance the chemical equation
HNO3+Ni -: Ni(NO3)2 + H2? Can Some Mutations Be Adventageous And Some Deleterious In Differentv Environments? Is this wood fossil? What happens if a black hole made from antimatter collided with one made from matter? Why does sqrt(4)-sqrt(16) not equal two? If sqrt(4) equals +-2 and sqrt(16) equals +-4, then could you not say -2+4 = 2?