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What are the structural differences among chlorine atoms, chlorine molecules, and chloride ions? How do their properties differ?
Calculate the number of moles of ions present in 66.8 g of a solution that is 2.11% Fe(NO3)3 by mass.
a canister contains 425 kpa of carbon dioxide, 750 kpa of nitrogen, and 525 kpa of oxygen. What is the total pressure of the container?
Question- When 1.555g of liquid hexane (C6H14) undergoes combustion in a bomb calorimeter, the temperature rises from 25.65? C to 38.8? C. Find ?Erxn for the reaction in kJ/mol hexane. The heat capacity of the bomb calorimeter, determined in a sep..
a 425 ml volume of hydrogen chloride gas, hcl is collected at 25 degree Celsius and 270 torr. what volume will it occupy at stp?
Water/methanol and water/acetone are viable solvent systems for recrystallization, but water/chloroform and water/pentane are not
Explain why the fluoride ion of the terabutylammonium flouride is more nucleophilic than the fluoride ion of sodium fluoride. Draw reaction-energy diagrams to illustrate. Define the term, "diastereospecific reaction," and give a representative exa..
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
Problem- The empirical formula of a certain compound is CH2. If the molar mass of this compound is 56 g/mol, what is the molecular formula
If a temperature increase from 20.0 to 35.0 triples the rate constant for a reaction, what is the value of the activation barrier for the reaction?
How many copper atoms are in a cube of copper metal measuring 1.35 cm on each edge. The density of copper is 8.96 g/cm3.
For the chemical reactions shown below, calculate the number of electrons transferred in the redox process. 2Cr2(O7)2- (aq) + 16H+ (aq) --> 4Cr3+ (aq) +3O2 (g) + 8H2O (l)
Give a set of four quantum numbers that correspond to an electron in the highest occupied atomic orbital of Indium.
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