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A 13 gram sample of calcium reacts with bromine to form 24 grams of calcium bromide. How many grams of bromine are used in the reaction?
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
A sample of 0.2140 g of an unknown monoprotic acid was dissolved in 35.0 mL of water and titrated with 0.0950 M NaOH. The acid required 27.4 mL of base to reach the equivalence point.
?Hf0 for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5 grams of rust.
Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.
If at 25 degrees celcius the partial pressure of oxygen in the iar diffusing through its cathode is 0.22atm, what is the cell potential (Ecell
If a 1.22 g piece of gold is hammered into a sheet whose area is 32.4 ft2, what is the average thickness of the sheet? (The density of gold is 19.32 g cm-3.)
It was originally part of my ebook EVERYTHING YOU NEED TO KNOW ABOUT CHEMICAL NOMENCLATURE. If you want more information or a more complete description to include inorganic compounds please see the ebook section of this website.
if you take a 12.5 mL portion of the stock solution and dilute it to a total volume of 0.600L what will be the concentration of the final solution?
What is the theoretical yield of aspirin if 175 kg of salicylic acid is allowed to react with 118 kg of acetic anhydride?
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
what is the density of hydrogen sulfide at 1.2 atm and 307 K? answer in units of g/L
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