A hypothetical element, Le, has a body centered cubic structure with a density of 6.93 g/cm³. Calculate its atomic radius in pm. Atomic Mass: Le: 55.963 g/mol A 130.52 B 129.61 C) 132.34 D 131.43

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Q: Considering the equation: ABS) + Czig) As) +C2B) The AS for ABis) and C2B(o) is-12.8 and-8.02…

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Q: Calculate the mass in kilograms of 7.4 × 1023 molecules of NO2

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A: Given: A table of % phenol and temperature is provided: %  Phenol T oC 32.5 35 28.1 46 24.3…

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A: The molar weight of N2 = 28 The molar mass of CO2 = 44 Total pressure P = 100kPa

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Q: H.W1: The partial molar volumes of two liquids A and B in a mixture in which the mole fraction ofA…

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Q: Table 1 The calculated masses of powders for synthesizing 10 g of BaFe,„O19 and BaAl, „Fe1,O19-…

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Q: A rectangular block below of height L and horizontal cross-sectional area A floats at the interface…

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Q: ( N2) gas have molar mass = 28g\mol , (7 g ) is 0.25 mol of gas , temperature is T = 353 K, we do…

A: Given: The moles of N2 gas is nn2 = 0.25 mol Temperature T = 353 K The volume of gas reduces as V2=…

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Q: A calorimeter is filled with 0.64-kg water initially at temperature 43°C. A student puts 3 ice cubes…

A: Given that amount of water(m1)=0.64Kg initial temperature(T)=43oC mass of ice cubes(m2)=0.58Kg heat…