- What is the oxidation number for copper(II)?

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Convert 25 mg to mcg? If you throw a chalk upwards at 4m/s what is the max height it will reach? F:(0,+infty)->R, f(x)=3^x-xlnx; Which is the answer to: lim x->1 [f(x)-f(1)]/(x-1)? Consider the linear first order partial differential equation below: 2 u ∂x + 3 u ∂y 2 u + 3 u + 8u = 0? If gas X effuses 2x as fast as CO2 under the same cinditions, the molar mass of gas X is?