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Calculate how many g of iron can be produced using 2396 of if the yield is 82% Fe2O3 + 3CO ----> 2Fe + 3CO2
How many aluminum atoms would have to be placed side by side to span a distance of 6.0 µm atoms (c) If the atom is assumed to be a sphere, what is the volume in m3 of a single aluminum atom
A solution is prepared by mixing 66.7 g H2O with 33.3 g HOCH2CH2OH (ethylene glycol). What is the concentration of ethylene glycol in units of molality? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively
The Standardized solution of NaOH is used to titrate a solution of HCI. Write the balanced equation for this reaction. Calculate the molarity of the HCl solution.
how many grams of CaCl2 should be dissolved in 500.ml of water to make a 0.20m solution of CaCl2
Calculate the standard Helmholtz free energy of formation of delta fA of CH3OH(l) at 298K from the standard Gibbs free energy of formation and the assumption that H2 and O2 are ideal gases.
A solution of NaOH(aq) contains 8.0 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C
The buret is filled with the NaOH titrant and the initial volume reading is immediately recorded without waiting the recommended 10-15 seconds.
find the ph and the concentration of H2SO3 HSO3- AND SO3^2- in each solution:(a)0.050M H2SO3 (B) 0.050M NaHSO3
Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be collected to obtain 0.563 g of helium? (At 25°C the vapor pressure of water is 23.8 torr.)
What volume of O2 at 988 mmHG and 33 degree celsius is required to synthesize 12.5 mol of NO
How many grams of NaN3 are required to produce 11.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?
It then gives off a photon having a wavelength of 1740 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
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