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Determine the change in entropy for one mol of liquid water initially at 298 K when the temperature is elevated by 1.0 K, given Cp,m = 75.3 J/(mol K). Determine the answer in Joule per Kilogram
At 1 bar and 298 K the molar volume of liquid water is 18 cm^3/mol. When the pressure is increased by the 1 bar, analyze the change in molar Gibbs free energy.
It takes 18.5 seconds from when ride starts for Maria to reach lowest point on ride. Highest point of ride is 36 meters off the ground. How high above ground is Maria 120 seconds after ride begins?
When Young's double slit experiment was submerged into the water, explain how would the fringe pattern be modified?
By using the Henry's Law, determine the solubility of CO2 in the ocean at the 25 degrees C. The mole fraction of CO2 in the atmosphere has risen from .000314in 1962 to .000360 in 2005.
Determine the approx volume of silver nitrate solutions that will be required for the precipitation. Assume a sample mass of 0.1g, and that your unknown chloride salt contains the approx 55% c
A racing dog is primarily running at 17.0, however is slowing down. Determine how fast is the dog moving if its kinetic energy has been decreased by half?
Determine the composition of a brass alloy if 12.15 g of th ealloy reacts with HCl(aq) to yield 2.305g ofZnCl2? When the brass is an alloy of Zn and Cu. Cu does not react with HCl(aq), but does react
i) Determine how many electron ‘N’ flow in that time. ii) The electrical potential U (In µJ) generated by the battery (suppose an ideal battery)
Determine the energy difference between the most stable conformation of cis-1,2-dimethylcyclohexane and the least stable chair conformation of trans-1,3-dimethylcyclohexane by using a value of 3.6
Determine the number of moles of CCl4 formed, assuming the reaction went to completion when1.0 mol of carbon reacted with 1.00 mol of chlorine: C + 2Cl2 ® CCl4
Determine the magnitude of the velocity of an electron when its weight is to be precisely balanced by the magnetic force? The charge of the electron is q = -1.6 E-19 C and its mass is m = 9.11 E-31
Consider another state of electron that has energy twenty five times the zero-point energy. Calculate the degeneracy of this energy level?
An electron moves with a speed of around 5.0 x 10^4 m/s perpendicular to the uniform magnetic field of 0.20 T. Determine the magnitude of the magnetic force on the electron?
Calculate the concentration of the KOH solution when a quantity of 10.28 mL of a KOH solution is required to neutralize 0.4847 g of KHP.
Explain why the water molecule is bound when some water molecules bound to a protein can be observed by X-ray crystallography in terms of DH and DS.
A student makes 500.0 ml of Ca(NO3) 2 solution by dissolving 49.36 grams of Ca(NO3)2 in distilled water by using a volumetric flask. The student then pipets 10.00 ml of the Ca(NO3)2 solution made in
At 4 degrees Celsius a pitcher containing 0.75ml of water is removed from the refrigerator. Determine the numbers of kilojoules are required to warm the water to a room temperature of 27 degrees Ce
The diffraction grating 20.0 mm wide consists of 4800 rulings. The Light of wavelength 585 nm is incident perpendicularly on the grating. i) Determine the biggest value of at which a maximum appears
Calculate the factors by which the concentrations of the following species have to be multiplied to convert them to concentrations in mg/L as CaCO3: CaO, HCl, Na2CO3, Na, Ca(HCO3)2.
Draw the curve determine rectangular coordinate equation by eliminating parameter x=2sint y=2cost 0 less than or equal to t less than or equal 2 pi.
Recognize the following salts as likely to be basic (B), acidic (A) or neutral (N) salts with respect to changing the pH of the solution when dissolved in DI water.
An inductor of 6.20 mH is one of the elements in a simple RLC series circuit. If this circuit is joined to a 1.60 kHz sinusoidal source with an rms voltage of 822.0 V, an rms current of 2.50 A lags
This method is capable of detecting magnetic fields as weak as 1.0 x 10-15 T. Model the neuron as a long wire carrying a current and determine the current it should carry to generate a field of this
0.0350 of potassium sulphate is transferred and weighted to 250 ml volumetric flask , which is then diluted to the mark with distilled water, assume density is 1.000g/ml, the potassium sulphate puri