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Calculate the amount of heat required to completely sublime 45.0 g of solid dry ice (CO2)at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
Aluminum metal is formed by the electrolysis of Al2O3 in molten cryolite. How many grams of Al are produced when 6.50 x 10^3 C pass through the cell
What is the percent by mass of NaHCO3 in a solution containing 50 g of NaHCO3 dissolved in 400 mL of H2O?
What product would you expect to make? Propose a detailed reaction mechanism for this reaction. What by-products might be expected in this experiment?
For one of the resonance forms of ozone, which of the orbitals are used to make bonds and which are used to hold nonbonding pairs of electrons?
from the length of the magnessium ribbon (4.6 cm) and the mass of a metal of magnessium (0.77 g/m) determine the mass of Mg that reacted.
What is the difference between water on the surface of the crystals of a Hydrate and Hydrate water itself
To ensure that do not provide customers with substandard product, the local steel mill has instigated a quality control program using flame AAS. two of the trace elements they wish to monitor, Al and Ti, form stable oxides. Is this a potential pro..
what is the purpose of the trail titration. describe the endpoint of the a titration. how will you know when you have reached it. explain why the walls of the flask are washed with distilled water during the titration.
The reaction of 3-methyl-2-butanol with concentrated hydrobromic acid gives the two isomers bromoalkenes.Using curved arrows to symbolize the flow of electrons, suggest two reasonable mechanisms for this reaction that account for the formation of ..
Describe using chemical reactions how Oxone keeps swiming pool water clean (i.e. what would happen to the solubility of organic materials such as algae when treated with Oxone
Ethyl acetate, a liquid, has a molar mass of 88.12 g/mol and a density of 0.902 g/ml. Assuming a total volume of 20.0L, calculate the initial concentration of ethyl acetate in the reaction mixture.
Question- A sample of the compound prepared in this experiment weighing 0.1021 gis dissolved in HNO3 and diluted to a volume of 100ml.A 10-ml alioquot of that solution is mixed with 10 ml 6M NH3 the resulting solution is found to be 5.16x 10^-3 M
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