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What is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.42 g of CO (28.0101 g/mol) and 0.24 mol of O2 (31.9988 g/mol)? Answer in units of mol
At a certain temperature the equilibrium pressure is .718 atm. Calculate Kp for the reaction
Consider a 15.0 mL sample of a ternary mixture composed of 25% (by volume) octane, 35% chloroform and 40% 2-propanol. Use the following information to convert volume composition to molar composition:
Addition of NH3 precipitated Fe2O3*xH2O, which was ignited to give 0.264g of Fe2O3 (FM 159.69). What is the average mass of Fe2SO4*7H2O (FM 278.01) in each tablet?
the weak base methylamine is titrated with 0.10 M HNO3. Calculate the pH after 20.0 mL and 60.0 mL acid addition (HNO3).
A piece of gold foil has a volume of 0.645cm^3. If the piece of gold measure 10.0 cm by 12.5cm, what is the thickness of the foil
(a)What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step
For the reaction:-2 HCl + Na2CO3 - 2 NaCl + H2O + CO2 ,179.2 liters of CO2 is collected at STP.
At 50 degree's Celsius the vapor pressure for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degree's Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..
Gold has cubic crystals whose unit cell has an edge length of 407.9 pm. The density of the metal is 19.3 g/cm3. Calculate the number of gold atoms in a unit cell. What type of cubi lattice does gold have
For the following reaction, calculate the concentration of C(aq) at equilibrium when .135M B solution is alllowed to react with A.
A chemist prepares a sample of hydrogen bromide and finds that it occupies 252 mL at 70C and 464 Torr. What volume would it occupy at 0C at the same pressure.
Calculate the wavelength of the light emitted when the electron in a hydrogen atom falls from the n=4 shell to the n=3 shell. [1eV=1.6023*10^-19 J] report answer in meter and in nanometers
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