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Stoichiometry and conversions allow chemists to plan and predict experiments. Give an example of how you use stoichiometry and conversions to plan and carry out activities in your own life. Using the activity you have chosen, make up an example and calculate a theoretical yield for your activity.
What is the theoretical yield (in mg) of sodium bisulfite adduct of cyclohexanone, assuming that you convert all the starting material to it
Tooth enamel in mainly hydroxyapatite, Ca10(PO4)6(OH)2. If 1.117g of tooth enamel reacts with acid to give 1.111g of calcium chloride, what is the percentage of hydroxyapatite in the tooth enamel sample
Problem- Consider a reaction with two competing pathways. One is labeled as the kinetic pathway while the other is labeled as the thermodynamic pathway. How could you use temperature to favor the kinetic pathway over the thermodynamic pathway. Why
what volume of co2g measured at0.0 oc and 101.3 kpa is produced if 0.500 kg of caco3 isrequired to neutralize a
a solid cylinder 1m in diameter and 0.8m high is if uniform relative density 0.85 calculate the periodic time of small
Evaluate the first ionization energy of calcium with that of zinc. Define the difference in terms of the balance between shielding with rising numbers of d electrons as well as the effect of increasing nuclear charge.
A 20.06g sample of mercury (Hg) reacts with chlorine to produce 23.61g of compound. What is the empirical formula of the compound formed. If the molecular mass is approximately 480 amu, what is the molecular formula
The polyatomic ion [HCNXeF] + has all the atoms bonded in the listed order, as well as its molecular geometry is entirely linear. Provide a Lewis structure that is consistent with this molecular geometry.
The enthalpy of combustion of C2H6 is 1541kJ/mole. How many grams of C2H6 Must be combusted to produce 5.00x104 kilojoules ?
CH3CH2OCH2CH3 can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield
This aqueous solution is extracted with 5.0mL of hexane. Separation as well as analysis of the aqueous phase shows that it now contains 12mg of the organic compound. Compute the partition coefficient for the compound.
Determine the flow rate of water, in kg/s, that can be cooled if the cooled water is not recycled. The water enters the tower at 40 C and leaves the tower at 25 C.
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