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A hydrogen atom contains a proton and an electron separated by 5*10^-11m. find the magnitude of the force between two particles. recall that magnitude of the charge of an electron is 1.6*10^-19c.
A: https://t.co/z6gtORlQmv
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What volume of each of a 5% acid solution and a 70% acid solution should be combined to form 44 mL of a 50% solution? Set up the appropriate equations and solve the system using the inverse of the coefficient matrix.
A: https://t.co/gQnWmkQIHZ
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Q: A bottle of strong monoprotic acid was labeled as having a concentration of 1.287 mol/L. Determine the [H3O+] in the acid. Abbreviate your units.
A: https://t.co/dajTSqXjbp
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Q: The sum of two numbers is eighteen. The total of three times the smaller and twice the larger is forty-four. Find the two numbers.
A: https://t.co/DkoB22nwSD
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Q: Let X ~ Bernoulli(p). Define Z = 5
(a) Is Z a random variable
(b) Find E(ZX)
(c) Find Var(ZX)
(d) Propose an estimator of E(ZX)
A: https://t.co/n0lKJSkokK
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Q: Determine the mass of CO2 produced from the combustion of 100.0 g ethanol: C2H5OH+3O2->2CO2+3H2O
A: https://t.co/vUcW2fHwLM
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