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How high would the column of water be if a barometer were built using water instead of the Hg, when the pressure were 1 atm, knowing that the density of water is 13.6 times lower than that
When the K1 for its conjugate acid is having 1.2 x 10^-8. Calculate the Kb for the reaction written in a? Calculate the pH of a .0020 M solution of Codeine?
Assume you are pedaling front sprocket at rate of 1.5 rev and your forward speed is sec 11 mph on bike. Determine radius of front sprocket?
The mass to use in the expression for the vibrational frequency of a diatomic molecule is the effective mass μ= (mamb)(ma+mb) The following data on the infrared absorption of wave numbers(in
A 10.0m3 tank contains steam at 15.0 bars and 275°C. The tank and its contents are cooled until the pressure drops to 1.2bar. Explain
When the Moist hydrogen containing 4 mole percent water is burnt entirely in a furnace with 32% excess air, determine the Orsat analysis of the resulting flue gas.
Calculate the theoretical yield for this reaction under the given conditions? Calculate the percent yield for this reaction under the given conditions?
When a qualitative method often used to measure whether an organic compound contains the oxygen is to test its solubility in the concentrated sulphuric acid which donates a proton to oxygen very ea
The sum of the oxidation states is zero in a neutral compound. Note that the sign of the oxidation states and the number of atoms associated with each oxidation state must be con
How far has Lee traveled once he returns to his starting position? How much time will elapse during Lee's circuit?
A sample which is having 0.5033g of an unknown salt was dissolved in the water and passed through a caution exchange resin. The total elute from the Colum was diluted to 250ml and a 50ml aliquot was
When the water is exposed to infrared radiation of the wavelength 2.6×10-4 cm. Assume that all the radiation is converted and absorbed to heat, determine the numbers of photons wi
Determine the ratio of the more stable chair conformation to the less stable conformation at equilibrium at 298 K for the following compounds: bromocyclohexane and methylcyclohexane.
When 2.7 ml of pure acetic acid are needed for a reaction, but only a 7% solution of acetic acid is available, measurement the dilution factor for 7% solution and use this factor to calcula
A sample which is having 70g of sodium is allowed to react totally with the sulphur to form a sulphide that weighs 6.30g.
You are standing on equator of earth (radius 3960 miles). Determine linear and angular speed? The auto tire has radius 12 inches. If you are driving 65 mph, find angular speed in rad/sec and angular s
When the student's experimentally determined that 0.0201 moles of sulphur combined with 0.0399 moles of sodium, calculate the empirical formula of the compound produced in this exercise?
Calculate the coefficients of the Antoine equation based off of experimental data in the form of a vapor pressure and the corresponding temperature.
A and B form and ideal solution. The vapor pressure of pure A is zero and the vapor pressure of pure B at 25oC is 100.00 torr. The vapor pressure at 25oC of a solution consisting of 1.00 g of A and 10
Determine the pressure required to melt ice into the liquid water at 253K. The densities of liquid water and ice are 1.000 and 0.915 gmcm-3, respectively, and the heat of fusion Δfus Ho =
Liberate the free 4-nitroniline by slowly adding concentrated ammonia solution with stirring until the mixture is basic. Write down the appropriate equation and why is it necessary to add ammonia s
Determine the energy difference between the most stable conformation of cis-1,3-dimethylcyclohexane and the least stable chair conformation of trans-1,4-dimethylcyclohexane by using a value o
How long does it take restaurant to rotate through four radians? How far does a person sitting by the window move in 100 minutes if radius of restaurant is 21 meters?
A lead atom has a mass of 3.4 x 10 ^-22 gram. Determine the numbers of lead atoms are in a cube of lead that has a volume of 2.00 cm3 if the density of lead is 11.3 g/cm3
Isopentylacetate, C7H14O2, the compound responsible for the scent of ripe bananas, can be formed commercially. Interestingly, bees release about 1.40μg of this compound when they sting, in order