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At high temperature the decomposition of cyclobutane is a first order reaction. Its activation energy is 262 kJ/mol. At 477 celcius its half life is 5 minutes. What is its half life at 527 celcius (in seconds)?
Consider an ideal gas with a volume of V1. To what volume would you need to compress the gas to double its pressure?
Compute the mass of an electron if the difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 grams?
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
Determine how many micrograms of herbicide are present in 10 lb of soil if the herbicide level in the soil in a corn field was observed at 3.0 ppb. ?
In the first 12.0 s of the reaction, 1.8×10-2 moles of O2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace
mixture(O,H) is ignited with a spark and it reacts to form (H2O)liquid water. determine the temperature of water.
At 1.00 atm and 23 C, how many liters of carbon dioxide are formed by the combustion of 3.40g of butane?
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 -!> Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed. Answer in units of mol.
At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
Consider the chemical species IF5 and IF4+
A 0.521-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.45 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar..
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