Calculate the mass percent composition of aluminum
A 4.78-{g} sample of aluminum completely reacts with oxygen to form 6.67 {g} of aluminum oxide. Calculate the mass percent composition of aluminum in aluminum oxide .
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Provide the correct name for the following peptide. Ala-Ala-His-Phe-Lys-Asp-Asn-Phe What is the N-terminal amino acid? The C-terminal amino acid? What is the net charge on the peptide at pH 1.0?
The rock in a particular iron ore deposit contains 80% Fe2O3 by mass. How many kilograms of the rock must be processed to obtain 1400kg of iron?
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After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated. What is the equilibrium partial pressure of N2O4? Calculate Kp and Kc.
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