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The ReO3 structure is cubic with Re at each corner of the unit cell and one O atom on each unit cell edge midway between the Re atoms. Draw this unit cell and determine
a) The coordination number of the cation and anion and b) the identity of the structure type that would be generated if a cation were inserted in the center of the ReO3 structure.
description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
if the observed rate constant for the oxidation reaction at 35 C is 6.75*10^-2 min^-1, and at 25 C is 3.25*10^-2 min ^-1. what is the activation energy for the reaction
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
determine the total volume occupied by a solution made by mixingone liter of alcohol with one liter of water. assume
Calculate the radiation dosage (in grays) for an 85-kg person that is exposed for 7.0 seconds to a 3.0 Ci source of beta radiation. Assume that 100% of the radiation is absorbed and each beta particle has an energy of 1.7× 10-13 J.
Write the corresponding ionic and net ionic equations after Balancing these given equations
For the reaction: 2 B5H9(l) + 12 O2(g) ? 5 B2O3(s) + 9 H2O(l) , ?Hrxn = -9.04 kJ. If 3.00 moles of B5H9 react, how much heat is released
determine how much energy will be required to heat 69.7 gal of h2o from 22 degree celsius to 110 degree celsius if it
consider the expansion of 1L of gas orginally at 9 atm pressure to 1 atm pressure. the T remains constant at 25*C. Defining the gas as the system, calculate the work done on the system when
The protons that give rise to the signal at 7 ppm are more shielded than the protons that give rise to the signal at 9 ppm. B) The protons that give rise to the signal at 7 ppm are less shielded than the protons that give rise to the signal at 9 p..
Assuming no elasticity forces in rubber, what volume should a 1.0L ballookn at 25 degree Celsius and 1.00 atm pressure be if immerses in liquid nitrogen
why does the temperature continually decrease as a solution containing solute freezes instead of maintaining a constant
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