Why cd atoms connected in a three-dimensional network
A solid zinc cadmium, ZnCd(SCN)4, has a tetrahedral Zn and Cd atoms connected in a three-dimensional network by Cd-S=C=N-Zn bridges which are linear at C and , but bent at S. Give a rationale for this connectivity and the bond angles.
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In the Fischer esterification of benzoicacid, the methyl alcohol is present in excess over the amount needed. Calculate the amount of methyl alcohol that is required by the balanced reaction.
An electron (mass of 9.110 × 10-31kg and charge of -1.602 × 10-19C) is released at rest above the surface of the earth (where g = 9.81 m/s2). A second electron directly below it exerts an electrostatic force on the first electron that e
What are the minimum needed launch angle and the corresponding total time of flight. Use base equations v=dr/dt and a=dv/dt and derive equations.
What is the speed of the elevator after it has moved downward 1.00m from the point where it first contacts aspring?
Explain why, in contrast to meso-stilbene dibromide, the dibromidedl-Stilbene dibromine (colorless) exists in two enantiomericforms.
If a new car comes equipped with 0.1-kg of the nuclear fuel U-235, determine if this car will ever need refueling under average driving conditions.
Assume that there are no frictional forces due to motion through the air in either case. Assume that your hand is does not jiggle in either case.
The acceleration of a particle is directly proportional to the square time t. When t = 0 the particle is at x = 24m. Knowing that t = 6s, x = 96m and v = 18m/s, express x and v in terms of t.
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