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The coinage metals -- copper, silver, and gold -- crystallize in a cubic closest packed structure. Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
If 72.4 kJ of heat is supplied to a 842 g block of metal, the temperature of the metal increases by 9.0°C. Calculate the specific heat capacity of the metal in J/g·°C.
How many grams of dry NH4Cl needed to be added to 1.50L of a 2.00M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.60?
Is it possible to convert Calcium Carbonate (CaCO3)into Calcium Oxide (CaO), mixing CaCO3 with water and vinegar and boiling this mixture?
Propanol freezes at -89.5 degrees C and boils at 82.3 degrees C. What quantity of heat is needed to convert 10.0 g of solid 2-propanol at -89.5 degrees C to a vapor at 82.3 degrees C?
In a basic aqueous solution, chloromethane undergoes a substitution reaction in which Cl- is replaced by OH-: CH3Cl(aq)+OH-(aq) CH3OH(aq) + Cl-(aq)
Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
What mass of carbon dioxide (in kg) is produced upon the complete combustion of a typical tank of propane containi 18.9 L. The density of the propane is 0.621 g/ mL Hint: begin by writing a balanced rquation for the combustion reaction.
What is the molarity of ZnCl2 that forms when 30.0 of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volume of 285 mL .
Calculate the energy in joules and calories required to heat 24.0g water from 20.0C to 27.7C
The equilibrium constant, Ka, for a given acid is very large. When this acid is placed in water, we can say that _____. a. its ionization equilibrium lies far to the left
What is the bond order of a molecule with 10 valence electrons 12valence electrons,13 valece electrons,14 valence electrons
Atomic orbitals of carbon relative to methane in a cubic frame of reference.
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