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Describe the total mass of chloroform in the flask? What fraction is in the vapor phase at equilibrium if a quantity of liquid chloroform is placed in an open, transparent, three liter flask and boi
When 3.00 g of butanol (C4H9OH) is burned in the same calorimeter, the temperature increases by 20.81 oC determine the molar heat of combustion for butanol. An electrical heater is used to add
Suppose you are titrating the 3.566 mLs of 0.4113 M LiOH with 0.02765 MHClO4. Determine the pH at the equivalence point in this titration? Discuss in detail.
Describe the compression factor for this gas at the prevailing temperature and pressure when a certain gas obeys the van der Waals equation with a =0.50m6 Pa mol-2.
The football is kicked from ground with the resultant velocity of 30m/sec at the angle of 40 degrees from horizontal. Find time when the ball is in air, how high it goes?
Charge a and charge b are 3m apart and charge A is +2 C and charge B is +3 C. Charge C is positioned at a point among them and the total force on charge C is zero. Determine how far from charge A i
Determine the standard enthalpy of formation of liquid methanol,CH3OH(l), using the following information: C(graph) + O2 → CO2(g) ΔH° = -393.5 kJ/mo
A double concave lens encompass radii of curvature of magnitude 32.0 cm and 24.0 cm is made up of a glass for which the refractive index for red light of wavelength 700 nm is 1.44 and for violet lig
What is the heat capacity of the bomb calorimeter, excluding the water? The heat of combustion of benzoic acid is -26.42 kJ/g. when 0.7521 g of benzoic acid was burned in a calorimeter cont
Determine the shortest height a plane mirror should be so that a person who is 1.6 meters tall is capable to see his or her whole body. Sketch a ray diagram to support your answer.
With the automobile on level ground, find out the magnitude of the force from the ground on (i) each and every front wheel (supposing equivalent forces on the front wheels) and (ii) each rear wheel
A sample of NH3 at 25 degrees Celsius effuses at a rate of 0.050 mole per minute. Under the same conditions, which of the following gases effuses at approximately one-half the rate?
Illustrate using generalized pigeonhole principle that once all things are in buckets, there will be at least four buckets that hold at least five things each.
A charge having -3.42 µC is fixed in place. From the horizontal distance of 0.0581 m, a particle of mass 9.14 x 10-3 kg and charge -8.35 µC is fired with the initial speed of 56.3 m/s di
Determine the mass of water vapor present in a room of volume 400m3 that contains air at 27(degrees)C on a day when the relative humidity is 60 per cent.
Number 10 copper wire (having radius = 1.3mm) is generally employed for installation in homes. Determine the voltage drop in 40 m of this wire when it is carrying a current of 10 A? (pcu= 1.7E-8)
The process of converting a biopolymer from its denatured state to native state occurs spontaneously with the evolution of 40 kcal of heat to the surroundings per mole of polymer denatured at the 37
Determine the equilibrium constant for the reaction at equilibrium 2.00 g of C co-exist with solutions which are 2.00M in A and D.
The warranty on a latest tire states that an automobile can travel for a distance of around 103,000 km before the tire wears out. The radius of the tire is around 0.32 m. Determine how many revoluti
Holly Berry Incorporated debtholders are assured payments of $25 if firm does well, will receive only $20 if firm does poorly. Bondholders are eager to pay $15. Determine assured return to bondholde
Explain the equivalent weight of the anhydrous acid when the cupric salt (i.e., Cu2+) of a monobasic acid contains 3 molecules of water of hydration per atom of Cu. One gram of hydrated salt yields
Assume that you are riding a stationary exercise bicycle, and the electronic meter points out that the wheel is rotating at 9.6 rad/s. The wheel consists of a radius of 0.30 m. When you ride the bik
What is the work done in joules if the gas expands (a) against the vacuum and (b) against a constant pressure of 3.7 atm when a sample of nitrogen gas expands in the volume from 1.6L to 5.4L at con
A sample which is having of 1.00 mol Ar is expanded isothermally at the 0(degrees)C from 22.4dm3 to 44.8dm3 (a)reversibly, (b) against a constant external pressure equal to the final pressu
Throughout a tennis serve, a racket is provided an angular acceleration of magnitude 140 rad/s2. At the top of the serve, the racket consists of an angular speed of 11 rad/s. When the distance among