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Calculate the mass feed rate of hydrogen (kg/s) required toproduce 4 x 10^6 metric tons of ethane per year, assuming that thereaction goes to completion and that the process operates for 24hours a d
CH3Cl (aq) + OH- (aq) ----> CH3OH (aq) + Cl- (aq) <---- krAt 25 degree C, the rate constant for the forward reaction is 6 x 10^-6 M^-1 s^-1, and the equilibrium co
In the first 13.0 of this reaction, the concentration of dropped from 0.500 to 0.460 . Calculate the average rate of the reaction in this time interval.
Using activities, calculate the pH of a solution containing 0.010 M NaOH plus 0.012 M LiNO3. What would be the pH if you neglected activities?
If 18.9 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
How many degrees of temperature rise will occur when a 25.0 g block of aluminum absorbs 10.0 kJ of heat? The specific heat of Al is 0.900 J/g·°C
The equation for a van der Waals gas in (P + na^2/V^2)(V-nb)=nRT. 5 moles of the van der Waals gas nitrogen expands irreversible and isothermally from an initial volume of 40.0 liters at 310K, again
How many milliliters of concentrated hydrochloric acid solution (36.0% by mass, density = 1.18 ) are required to produce 11.0 of a solution that has a of 2.17?
A reaction of 1 liter of chlorine gas (Cl2) with 3 liters of fluorine gas (F2) yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of
Given that you are able to perform a diffusion experiment during a period of 30 days and that you are able to analyze a diffusion layer with thickness of order of 10-3 cm, what is a rough estimate o
How do you find the standard reduction potential for a half reaction when you are given two other half reactions of the same element but with different charges?
There is 10g/L of carboxylic acid in boiling water. What is the minimum amount of boiling water needed to dissolve a 3.325 g sample?
1.42 g H2 is allowed to react with 9.88g N2 , producing 2.19g NH3 What is the theoretical yield for this reaction under the given conditions? Express your answer numerically in grams.
Acetone, , and ethyl acetate, , are organic liquids often used as solvents. At 30, the vapor pressure of acetone is 285 and the vapor pressure of ethyl acetate is 118.
Isotonic saline solution, which has the same osomotic pressure as blood, can be prepared by dissolving 0.923 of in enough water to produce 100. of solution. What is the osmotic pressure of this sol
A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of = 1.00 (where a femtogram, , is ) and is swimming at a velocity of = 6.00 , with an uncertainty in t
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.
Given two separate solutions, 0.100 M Ammonia and 0.100 M Ammonium Chloride, calculate the volume of each solution to form 50.0 mL of a mixture that has a pH of 9.00.
The content of manganese in steel was found using atomic absorption and the method of standard additions. A standard solution of manganese containing 95.5 ppm Mn was prepared for the analysis.
An alloy that melts at about the boiling point of water has bi,pb and sn atoms in the ratio10:6:5, respectively. What mass of alloy contains a total of one mole of atoms?
A projectile is fired with speed v0 at an angle theta from the horizontal from the horizontal as shown in the figure.Consider your advice to an artillery officer who has the following problem.
Calcium levels in blood can be determined by adding oxalate ion to precipitate calcium oxalate, CaC2O4, followed by dissolving the precipitate in aqueous acid and titrating the resulting oxalic acid
Compounds such as naphthalene and 1,4-dichlorobenzene find use as mothballs since they sublime at a slow rate at atmospheric pressure. Explain this behavior in terms of the structure of the molecul
My microwave operates at 2450 MHz. What is the wavelength of this radiation in meters, and what is the energy associated with one photon of this radiation in joules?
The log Henry's Law constant (units of L-atm/mole and measured at 25 degrees Celsius) for trichloroethylene is 1.03; for tetrachloroethylene, 1.44; for 1, 2-dimethylbenzene, 0.71; and for parathion,