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Calculate the maximum [Ba+2] that can be maintained in the 1.700L of a0.040 M solution of Na2SO4? First calculate the expression for the solubility product of the BaSO4 where the Ksp for the BaSO4
As you walk with the constant speed of 1.95 m/s in a direction 14.6 of north of east, determine how much time does it take to change your displacement through 15 m east?
Assume that a 1.000 g sample of an antiseptic preparation is treated with the 25.00 mL of 0.02964 M AgNO3 and then excess the Ag+ is titrated with the 3.82 mL of 0.05527 M KSCN to a red FeSC
A current of 4.7 A is set up in a circuit for 8.1 min through a rechargeable battery having a 9.0 V emf. Determine by how much is the chemical energy of the battery decreased?
A mass-less spring of k = 6.45N/m consists of a mass M = 0.300 kg on the end of the spring. The mass is pulled down 0.0500 m and liberated. Determine the period T of the oscillation? Determine the p
Illustrate a three-dimensional representation of one enantiomer of the chiral diastereomer of the product using the dashes and wedges to indicate the stereochemistry. Label all chirality center as (
The Hotel haS 100 ROOMS. At present time it is renting its rooms out at the price of 80$ per room, but occupancy averages monly 50 rooms per night.
The solenoid is to be made from copper wire having a diameter of 0.500 mm. (i) When the radius of the solenoid is to be 1.00 cm, find out the number of turns of wire required.
Given that NaOH exists as Na+ and OH- ions in solution, write down the equation for the reaction that occurs when the NaOH is dissolved in water.
A sting is vibrating at a frequency of around 5.00Hz and the distance among the two successive nodes is 0.250m. Determine the speed of the waves on the string?
What is the molarity of the dye in a solution with an absorbance of 0.118 at 560nm when a student measures k for a certain blue dye to be 24.16M-1 at 560nm?
A long solenoid which consists of 990 turns uniformly distributed over the length of 0.420 m generates a magnetic field of magnitude 1.00 x 10-4 T at its center. Determine what current is needed in t
The resolution of the eye is eventually limited through the pupil diameter. Determine the smallest diameter spot the eye can generate on the retina when the pupil diameter is 2.58 mm?
Graphite and diamond are two allotropic modifications of carbon. Graphite conducts electricity while diamond does not. Why is that? Does it have to do with diamonds having a crystal lattice, and gr
A beam of un-polarized light of intensity having 39.0 W/m2 passes via a polarizing sheet. Determine the electric field amplitude of the transmitted beam?
Would the reported mole ratio of oxygen to magnesium be too high, too low, or unaffected by this procedure? Explain. Suppose that the magnesium is not polished.
If pilot had not corrected course, how far would he be from Jamestown? Illustrate x/y plane diagram and comprise all work and steps.
(i) Determine the radiation pressure which a 250 W light bulb emitting light having an efficiency of 15% applies on a small matte-black surface at a distance of 0.250 m? (ii) Determine the pressure
A sample which is having 50.0 ml of a 1.00 M solution of CuSO4 is mixed with the 50.0 ml of 2.00 M KOH in a calorimeter. The temperature of both solutions was 26.3C after mixing and 20.2 C before mi
Determine the average net energy density in electromagnetic radiation which consists of an intensity of 515 W/m2?
Explain that for an isolated rigid body that possesses an axis of symmetry, and rotates around one of its principle axes, the motion is just stable to small perturbations when the principle axis is
In a mass spectrometer, a singly ionized ion of 24Mg consists of a mass equivalent to 3.983 x 10-26 kg and is accelerated via a 3.00 kV potential difference. It then enters an area where it is defle
There is a uniform magnetic field extending over the whole table having a magnitude of 4.35 T and directed to the north and downward, forming an angle of 25.8° with the horizontal. Determine the
The mirror is hung from middle of the wire so that each half of wire pulls with the force of 100N. Two halves of wire make the angle of 160 degrees with each other. Determine the weight of the mirro
A block of mass of 4.0 kg rests on the horizontal surface. Determine what horizontal force is needed to accelerate to 5.0 m/s^2 when (i) there is no friction and (ii) when the coefficient of kinetic