Reference no: EM13960444
1. Describe the primitive cubic, body centered cubic and face centered cubic unit cells.
2. Compare quantum mechanical and bohr model of atom.
3. Draw molecular orbital energy diagrams for Li2 and Be2. What is the bond order in each of these species?
4. When calcium hydride (CaH2) reacts with water, hydrogen gas is evolved.
a) Write the chemical equation for the reaction.
b) If 5.00g of CaC2 reacts with, excess water, at 25 degrees C, what volume of H2 is collected at 760 torr? (Vapour pressure of water= 23.8 torr)
5)Estimate H'rxn for the reaction: CH4+Cl2--->CH3Cl+HCl where the average bond enthalpy in kj/mol. For C-H is 413 Cl-Cl is 242 C-Cl is 328 and H-Cl is 431.
6. The cyanate ion (NCO-)
a) Draw three lewis structures and state most valid.
b) Why isn't octet rule obeyed in one of the structures?
c) What is the hydridization of carbon in each structure?
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How does the allocation compare to the opportunity cost
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Monitoring reports to discipline or terminate the employees
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What is the probability that y is an odd integer
: the number of spools produced until a spool is produced that contains one or more defects?
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Develop a compliance policy covering the fmla
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Compare quantum mechanical and bohr model of atom
: Describe the primitive cubic, body centered cubic and face centered cubic unit cells. Compare quantum mechanical and bohr model of atom.
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Appropriate for the other employees
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How much time does a car spend at the drive-through
: The current average processing time at the drive through is 3 min. The manager wants to reduce this processing time to 2 min.
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Internet or the strayer library to research
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What is this firm total cost function
: Suppose that a firm has a marginal cost function given by MC(q) = q + 1. What is this firm's total cost function? Explain why total costs are known only up to a constant of integration, which represents fixed costs
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