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3.2 x 10-3 moles of O2 gas effuse from a container in 10.0 minutes. How many moles of CH4 gas could effuse from the same container in 10.0 minutes under the same conditions
scuba divers has a volume of 8.0 L and a pressure of 140 atm at 20 degrees C. What is the volume of air in the tank in liters at STP?
Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas
Consider the titration of 30.0 ml of 0.048 M NH3 with 0.025 M HCI. Calculate the ph after the following volumes of titrant have been added.
A certain laser uses a gas mixture made up of 9.00 g HCL, 2.00g H2, and 165.0g Ne. What pressure is exerted by the mixture in a 75.0 L tank at 22 degree C?
Calculate the equilibrium constant of the reaction I2(g)52 I(g) at 1000 K from the following data for I2: # = 214.36 cm
Calculate the mass/volume percent, % (m/v), for the solute in each of the following solutions. Express the answer using 2 sig figures.
If all 0.44 gigatons CO2 remain in the atmosphere and spread around the atmosphere evenly, what concentration in ppm would it constitute?
After equilibration GC analysis of octanol phase shows component concentration of 0.4 M. What is the partitioning coefficient of this component? (Octanol/water partitioning coefficient expressed as K = Coct/ Cwater)
If a 50.0 g object needs 1,145 Joules to increase its temperature by 10.0 oC, what is its specific heat capacity?
Compute the amount of heat essential to fully sublime ninety grams of solid dry ice (CO 2 ) at its temperature of sublimation if it is given that the heat of sublimation for CO 2 = 32.3 kj/mol express your answers in kilojoules?
Ammonia and oxygen react to form nitrogen and water. How many grams of N2 can be produced when 6.30g O2 reacts?
The element bromine at room temperature is a liquid with a density of 3.12g/ml calculate the mass of 125 ml of Bromine . What volume does 85.0 g of bromine occupy?
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