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CaO + C --> CaC2 + CO2 [unbalanced] If 244 g of CaO is combined with 318 g C, how many grams of CO2 could be produced if the reaction goes to completion?
Compute the vapor pressure at the temperature of 25 degree Celsius of H 2 O above a solution formed by mixing 100.
Sulfuric acid,H2SO4 is a strong diprotic acid. A sample of aqueous solution of sulfuric acid has a concentration of 0.0582 M. Calculate the concentration of H3O+ ion, HSO4- and (SO4)2- ions from this solution. Ka = 1.18 * 10^-2
The visible part of the hydrogen atom spectrum is called the Balmer series (n1 = 2). The violet line has a wavelength of 410.2 nm.
375.00 mL of a 0.010 M solution of NaCl are condensed down to 167.00 mL. Assuming the solution does not become saturated during this process, what is the final concentration of NaCl
Consider a sample of calcium carbonate in the form of a cube measuring 2.305in on each edge. If the sample has a density of 2.73cm^3 , how many oxygen atoms does it contain
Describe how you will separate the following mixture of ions in solution. Include an explanation/rationale of the reagent used.
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
The system H2 (g) + I2 (g) ?? 2 HI(g) is at equilibrium at a ?xed temperature with a partial pressure of H2 of 0.200 atm, a partial pressure of I2 of 0.200 atm, and a partial pressure of HI of 0.100 atm.
Provide an example of the following mechanism by choosing an appropriate reactant and reagent then drawing curly arrows to show how the mechanism proceeds.
When X rays of wavelength 0.093 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2 degrees;. What is the distance between the layers of atoms responsible for the diffraction?
For the reaction, calculate how many moles of the product form when 0.048 moles of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Fe + 3O2 ---> 2Fe2O3
An unknown gas contains 82.6% C and 17.4% H by mass. It effuses at 0.87 times the rate of CO2 gas under the same conditions. What is the molecular formula of the gas
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