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For each of the following unbalanced equations calculate how many moles of the second reactant would be required to react completely with 0.413 mole of the first reactant. Al + H20SO4 ----> Al2(SO4)3 + 3H2
How many non-bonding valence electrons are there in a molecule of fumaric acid?
Compute the enthalpy change, for this reaction per mole of solution and A calorimeter has water of 22.0 grams at the temperature of fifteen degree celsisu
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 2.0 L of liquid oxygen as it vaporized? Express your answer numerically in joules.
You perform column chromatography on a mixture of reaction products which shows two spots on TLC. However, under the column conditions you chose those two compounds do not separate.
Prepare 1.00L of a pH~12 buffer with a total phosphate concentration of 0.050 M.You have at your disposal the following compounds
The energy content of 1-liter of whole milk is 680 Cal. Using that data, determine how high can you climb (in meters) on a liter of whole milk.
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
Electromagnetic radiation has an energy of 926 J. The wavelength of this radiation is 856 nm. How many photons are required to generate this energy?
The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the expected cylinder temperature if the gas was initially 15°C?
Carbon is a fascinating element that is capable of forming four covalent bonds.
Calculate the number of grams of alcohol present in 1.00 L of 60. proof gin. The density of ethanol is 0.798 g/mL.
What is the half-life of a compound if 78 percent of a given sample of the compound decomposes in 45 min? Assume first-order kinetics.
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