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1. The density of solid Fe is 7.87 g/cm3. How many atoms are present per cubic centimeter of Fe?
2. As a solid, Fe adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Fe?
3. What is the volume of a unit cell of this metal?
4. What is the edge length of a unit cell of Fe?
how many grams of acetylene are produced by adding water to 5g of CaC2?
The spectroscopic data of diatomic iodine shows a vibrational frequency of 214.5 cm-1, rotational constant of 0.03737 cm-1, and D0 of 12,440 cm-1. If the enthalpy of reaction is 153.97 KJ, Does this value make sense based on the spectroscopic data..
Write the half-reactions for the silver-silver chloride and calomel reference electrodes.
Calculate the resulting concentration of triiodide ions in the acidified solution.
What is the molarity of a solution of calcium hydroxide, Ca(OH)2, if 339 mL is neutralized with 41.51 mL of a 0.304 M HCl?
The complete combustion of acetylene, C2H2(g), produces 1300. kJ of energy per mole of acetylene consumed. How many grams of acetylene must be burned
Calculate the pH of 0.0021 M aminoethanol (pKa = 9.38) in 0.0030 M sodium aminoethanoate (a salt of the conjugate base of aminoethanol).
Calculate the volume of oxygen required to burn 5.00L of propane gas, C3H8 to produce carbon dioxide and water, if the volumes of both the propane
Imagine that you have a 5.50 gas tank and a 4.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Given that the density of aluminum is 2.70g/cm^3, What maximum length of aluminum lil can be made from 1.10 kg of aluminum?
A rigid container of O2 has a pressure of 388kPa at a temperature of 713K. What is the pressure at 273K.
A new atom is found that has 3 isotopes with masses of 262, 263 and 265. If the first is 0.17 abundant and the second is 0.41 abundant, what is the atomic mass of the element (give your answer to 2 decimal places).
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