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12.0 moles of gas are in a 5.00 L tank at 23.7 degree C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 liters square x atm/mole square and b=0.0430 L/mol
How many moles of oxygen are generated during the thermal decomposition of 7.75 g of lead (IV) oxide
The initial mass of a radioisotope is 10.0g. If the radioisotope has a half-life of 2.75 years, how much remains after four half-lives?
The reaction 2NO2(g)-----2NO(g)+O2(g) was studied at 383dgree c and the following data was obtained?
one mole of silicon si has a mass of 28.086 g and one mole of carbon has a mass of 12.011 g. what is the massof one
For the reaction: CO(g) + 2H2(g) = CH3OH(g) Kp = 2.26 X 10^4 at 25C Calculate Delta Grxn for the following conditions: P(CH3OH) = 1.0 atm P(CO) = P(H2) = 0.010atm
Calcium carbonate is relatively insoluble and the dissolution reaction is endothermic: CaCO3 ---> Ca2+ CO3^-2
a cetrain pitchers fastballs have been clocked at 104 mph. calculate the wavelength of a .141-kg baseballin nm
Formic acid, HCHO2, is used to make methyl formate (a fumigant for dried fruit) and ethyl formate (an artificial rum flavor). Ka= 1.7e-4. What is the pH of a 0.39 M solution of formic acid?
Chemistry: Reaction between Sodium Bicarbonate and Citric Acid, Question: The fizz produced when an Alka Seltzer© tablet is dissolved in water is due to the reaction between sodium bicarbonate and citric acid, according to the following equation:
Calculate the and the concentrations of all species present (H3O+,F-, Cl-,and OH-) in a solution that contains of HF 0.19 M (Ka=3.5*10^(-4)) and 0.19 M of HCl.
Calculate the mass of gasoline (in kg) needed to fill up a small tank which has a capacity of 3.0 L. Assume that the density of gasoline is 0.80 g/mL
a generic salt ab has a molar mass of 243 gmol and a solubility of 8.90 gl at 25 c what is the ksp of this
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