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@X@user.full_name@X@ @GMU: What is the atomic number of an element if the mass of one atom is 2.658e-23 g?

@X@user.full_name@X@ @GMU: ACS-Using the given rate data what is the correct rate law for the reaction below?CH3Cl(g) + H2O ⇋ CH3OH(g) + HCl(g)  Exp [CH3Cl]o [H2O]o Initial Rates, Ms-1 1 0.104 0.104 2.05e-1 2 0.208 0.104 4.09e-1 3 0.208 0.172 1.12

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 9.49e-6 and Kp = 2.81e-7 at 138.01°C?3A(s) + bB(g) → 3C(g)

@X@user.full_name@X@ @GMU: What is the empirical formula of a compound if its percent composition is 68.74% C and 12.18% H and 8.907% N ? The compound contains only C, H, N and O.

@X@user.full_name@X@ @GMU: What is Kp for the reaction below, if Kc = 1.78e-5 at 153.5°C?4A(s) + 4B(g) → 5C(g)

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential for the reaction below if [Cd2+] = 0.2140M and [Fe3+] = 0.0105M 3Cd2+(aq) + 2Fe(s) → 3Cd(s) + 2Fe3+(aq) E°= -0.360V

@X@user.full_name@X@ @GMU: What is the balanced reaction for the following galvanic cell?Cd(s)| Cd2+(aq) || Pb2+(aq) | Pb(s)

@X@user.full_name@X@ @GMU: What is the mass (grams) of one molecule of CH4?

@X@user.full_name@X@ @GMU: Kaolinite, a clay mineral with the formula Al4Si4O10(OH)8, is produced naturally by the chemical weathering of aluminum silicate minerals like feldspar (granite). Kaolinite is used industrially as filler in slick-paper for magazines and as a raw material for ceramics. How many grams of oxygen are present in 15.20 g of kaolinite?

@X@user.full_name@X@ @GMU: A gas mixture contains an unknown amount of Xe and 0.1092 mol of C3H8. How many moles of Xe are there, if the total pressure is 841.48 mm Hg and the partial pressure of Xe is 519.69 mm Hg?