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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
The alcohol (ethyl alcohol) content of the bottle of beer in a 12 oz is about 5%. Identify the substance produced in the liver that helps catalyze this reaction.
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl
Ignore the volume of water, and determine the final volume of the reaction mixture at 1.00 atm and 298 K if the reaction goes to completion.
Calculate the amount of heat evolved in the oxidation of 32.0 g of Fe (Ar = 55.85 g/mol) at 25 oC and 1 atm pressure ( ?Hfo(Fe2O 3,s) = -824kJ/mol)
calculate the amount of heat transfered when 24.0 g of CH3OH decompose at constant pressure. delta H is 126.4 kJ
A sample of nitrogen gas occupies a volume of 3.87 liters at 52.8 oC and 2.11 atm. What will the new temperature (in °C) when the volume increases to 4.55 liters and the pressure remains constant?
Gas diffusion and Viscosity are both transport properties, Derive the general relationship between the viscosity for a gas and diffusion coefficient .calculate the diffusion coefficient if Given that the viscosity of Ar is 223 micro Pascals at 29..
The compound NOCl decomposes to nitric oxide and chlorine according to the following equation: 2 NOCl (g) ? 2 NO (g) + Cl2 (g) Suppose that 0.420 mol NOCl is placed in a 3.00-L flask at a given temperature
How much of the solution is needed?
A mammoth skeleton has a carbon-14 decay rate of 0.46 disintegratioins per minute per gram of carbon (0.46 dis/min*g C)
Use the masses of carbon dioxide, rm CO_2, and water, rm H_2O, to determine the empirical formula of the alkane component.
After you determine the concentration of the unknown stock solution, you will need to use the density to calculate the % mass of thymol
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