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Calculate the theoretical yield when 7.0 ml of acetic anhydride , 4 drops of phosphoric acid and 9. 507g salicylic acid react
Compute delta Hf for CaC2 : CaC2 + 2H2O-->Ca(OH)2 +C2H2 From the given enthalpy of reaction data as water(H2O) =(2*-285.83),calcium hydroxide Ca(OH)2=(-986.2) , AcetyleneC2H2 =(226.77)?
How many grams of methane [CH4(g)] must be combusted to heat 1.00 kg of water from 25.0°C to 90.0°C, assuming H2O(l) as a product and 100% efficiency in heat transfer?
carboxylic acid is burned in oxygen, producing 1.462 g of CO2 and 0.6019 g of H2O. Determine the empirical formula of the carboxylic acid.
Determine what type of bond is expected for a compound formed between Magnesium and Oxygen Based on these values,?
How many ml of 94 w/w% sulfuric acid (d=1.84 g/cm^3) is necessary for the preparation
A mixture of O2, CO2, and N2 has a total pressure of 697. torr. In this mixture the partial pressure of O2 is 143. torr and the partial pressure of CO2 is 197. torr. What is the partial pressure of the N2 (in torr)?
How many grams of sodium azide are needed to provide sufficient nitrogen gas to fill a 35.0 by 35.0 by 25.0 cm bag to a pressure
Atomic orbitals merge into molecular orbitals as the atoms move towards each other. What happens with molecular orbitals when the molecule
Thermochemistry : Comparing Heat Capacity of Bricks and Water, A house is designed to have passive solar energy features. Brickwork incorporated into the interior of the house acts as a heat absorber. Each brick weighs approximately 1.8 kg
Given the reaction by the equation Mg + 2HCL yeilds H2 + MgCl2, determine to two decimal places the molar masses of all substances involved.
calculate the equilibrium constant from an absorbance value but my professor never told us how to calculate this.
The reaction caused the temperature of the solution to rise from 22.15 C to 26.78 C. If the solution has the same density and specific heat as water
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