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Copper crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 351pm, what is the radius of the copper atom?
How many grams of CaCl2 would be dissolved in 1.2 L of a 0.10 M solution of CaCl2?
What is the amount of energy packaged in a photon with a wavelength of 310 nm. Calculate the frequency of EM radiation with a wavelength of 1.2 x 10-7 m
explain in detail the steps and the energy involved in each step for the conversion of bromine gas and lithium solid to lithium bromine solid.
Write an equilibrium expression for each chemical equation involving one or more solid or liquid reac- tants or products.
1.464 g of an unknown hydrocarbon (112.6 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,Cv, = 5.234 kJ/ºC and ?T =5.744 ºC. Find ?E for this hydrocarbon in kJ/mol.
1.which of the following is an l-aldotetrose?2. which of the following is a d-aldotetrose?3. which structure is
Which one of the following substances will exhibit both dispersion and dipole-dipole forces between molecules in the condensed phase
how much heat (in KJ) is required to warm 10g of ice, initially at -10 degree celsius, to steam 110 degree celsius?
In a butane lighter, 9.8 of butane combines with 35.1 of oxygen to form 29.6 carbon dioxide and how many grams of water.
What amount of solid NaOH must be added to 1.0 L of a 0.13 M H2CO3 solution to produce a solution with [H+]= 3.4×10-11 M ? There is no significant volume change as the result of the addition of the solid.
Draw N-ethyl-3-methylpentanamide. Draw your structural formula with all necessary hydrogen atoms.
An electron in the n = 4 level of an H atom emits a photon of wavelength 97 nm. To what energy level does the electron move?
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