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A gaseous mixture contains 450.0 Torr of H2(g), 325.5 Torr of N2(g) as well as 73.3 Torr of Ar(g). Compute the mole fraction, X, of each of these gases.
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
Of the calorimeter to rise from 22.00C to 34.75C. How much heat (in kJ) did this reaction release. The heat capacity of the calorimeter and its contents is 11.55kJ/C.
Explain while driving to San Antonio the next day, Explain the temperature of the tire reaches 130 degrees F. Define what is the pressure in the tire now, Presuming no change in volume
When CO(g) (9.035 mol) and 144.6 grams of O2(g) in a 220.0 L reaction vessel at 608.0 °C are allowed to come to equilibrium the mixture contains 0.02021 mol/L of CO2(g). What is the concentration (mol/L) of CO(g)? 2CO(g)+O2(g) = 2CO2(g)
Explain what is the relationship between the strength of a bond single vs double vs triple as well as its wave-number on an IR spectrum?
A buffer was prepared by mixing a solution that is 0.285 M in HA and 0.385 in A-. The pH of this buffer was 4.435. Then to 405mL of this buffer solution was added to 21.5mL of 2.0 M HCL. Explain what is the pH of this new solution
Olympic cyclists fill their tires with helium to make them lighter. A cyclist filled her bicycle tire, which has a volume of 855 mL, to a pressure of 8.5 atm at 25 C with helium.
when 95.0g of an unknown metal are submerged in water in a graduated cylinder the waterlevel rises from 32.2 ml to 49.5
An insecticide has the following composition: 47.5% C, 2.54% H, and 50.0% Cl. Determine the empirical formula.
What volume of oxygen can be collected at 20 oC and 730 torr from the complete reaction of 100 g of KClO3, according to the chemical equation shown below?
Calculate the empirical formula for the following compound: potassium tartrate found in baking powder: 20.8% K, 2.7% H, 25.5% C, and 51.0% O
A very long insulating cylindrical shell of radius 6.70cm carries charge of linear density 8.60Nc spread uniformly over its outer surface
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