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Which ionic compound would be expected to have the highest lattice energy (a) KO2 (b)NaO2 (c) Li2O (d) RbO2 (15) Arrange the following spectral regions in orger of increasing energy infrared, microwave, ultraviolet visible (a) microwave
A 20.0-L nickel container was charged with 0.889 atm of xenon gas and 1.40 atm of fluorine gas at 400 C. the xenon and fluorine reacts to form xenon tetrafluoride. what mass (g) xenon tetrafluoride can be produce assuming 100 % yield? answer in (g..
what is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid hno3 in a solution with a total
At 450 Celsius, 5.56 moles of ammonia are place din a 2.00-L vessel and allowed to decompose to the elements. 2NH_3_(g) N_2_(g) + 3H_2_(g)
Calculate the amount of heat transferred when 23.0 of CH_2OH(g) is decomposed by this reaction at constant pressure.
A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is molar
a solution is prepared by dissolving 1.98 g of an unknown nonelectrolyte in 21.00 g of cylcohexane tf 6.6 oc and kf
Calculate the volume of 8.0g of oxygen gas if it has a temperature of 552 K, and a pressure of 5 atmosheres
Decaborane, B10H14, was used as a fuel for rockets in the 1950's . It ignites spontaneously with O2 according to the following reaction: B10H14 + 11O2 ? 5B2O3 + 7H2O
Draw a Lewis structure of BF that satisfies the octet rule for both atoms
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
Calculate the entropy change associated with the isothermal expansion of 5.40 mol of ideal gas atoms
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
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