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A mixture of CO(g) and O2 (g) in a 1.0-L container at 1.0x10^3 Kelvin has a total pressure of 2.2 atm. After some time the total pressure falls to 1.9 atm as the result of formation of CO2. Find the mass (in grams) of CO2 that forms.
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 5 state to the n = 3 state
Would a solution that has a molarity of 0.990 M KNO3 and a density of 0.988 g/mL be considered unsaturated, saturated, or supersaturated?
Two seperate samples of argon gas are held seperate chambers connected with a valve in the middle. Chamber A has a bolume of 2.00 L, and contains 120 g of Ar at 650 K
The solution has a density of 1.286 g/cm^3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4 which is complete
Using stereoformulas, show that reduction of (R)-benzoin from the more hindered face would give give (R,R)-hydrobenzoin. Please no links to external sites. Be clear and concise.
Which of the following elements has the Lewis symbol below, where Sy represents the elemental symbol? Sy :
A solution is prepared by dissolving 13.3 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution
The density of an unknown gas is 2.00 grams per liter at 3.00 atmospheres pressure and 127 degrees C. What is the molcular weight of the gas?
Estimate the triple point of water using the clapeyron equation and the boiling and freezing points at 1 bar. Use 1.00 g*cm^-3 for the density of liquid water
the effect of epinephrine binding to B-receptors is well known. epinephrine also binds to alpha-receptors. which of the following would NOT result following the binding of epinephrine to alpha-receptors in the liver
Calculate the work of expansion accompanying the complete combustion of 1.0g of glucose to carbon dioxide and (a) liquid water, (b) water vapour at 20 degrees Celsius when the external pressure is 1 atm
a quantity of water is heated from 25.0 C to 36.4 C by absorbing 325 joules. what is the mass of the water?
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