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Compute the atomic packing factor for cesium chloride assuming thatthe ions touch along the cube diagonals. Ionic radii ofCs+ and Cl- are 0.170 nm and 0.181 nm,respectively
At what temperature will He atoms have the same Crms value as N2 molecules at 25 degrees Celsius? Solve this problem without calcularing the value of Crms for N2. Crms is the root mean square speed.
Calculate the following for an oil (MW=169g/mol) that distills during steam distillation at a boiling temperature of 98°C at 1atm of pressure. A) The mass of the oil that codistills with each one gram of water at 98°C
The following set of reactions can be used to produce nitric acid, HNO3. Calculate the mass of nitric acid produced from the reaction of 15.5 kg of nitrogen gas with excess hydrogen gas. Each reaction in turn has an excess of the second reactant a..
Silver has an average atomic mass of 107.87 u. If 48.18% of Ag exists as Ag-109 (108.9047 u), what is the identity and the atomic mass of the other isotope?
An animal cell assumes its normal volume when it is placed in a solution with a total electrolyte molarity of 0.3 M. If the cell is placed in a solution with a total molarity of 0.6 M, then what happens
Calculate the standard cell potential at 25 C for the reaction X(s)+2Y+(aq)?X2+(aq)+2Y(s) where ?H? = -651kJ and S = -371J/K.
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
What is the pH of the solution after the addition of 30.0 mL of acid? pH = e) What is the pH of the solution after the addition of 52.9 mL of acid
Calculate the expectation value for the potential energy of the H atom with the electron in the 1s orbital. Compare your result with the total energy
Suppose a vessel contains 6.4 g of NH3, how many grams of O2 are needed for a complete reaction?
Calculate the standard reaction enthalpy for the formation of boron trifluoride, which is widely used in the chemical industry:B2O3(s) + 3CaF2(s) > 2BF3(g) + 3CaO(s).
Which of these is a coefficient in this chemical reaction? P4s(s)+5o2(G) p4o10(S)
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