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A particle with charge of 16.1 µC is placed at the center of a spherical shell of radius 29.0 cm. find the total electric flux through the surface of the shell
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 3.6 µm. What is the magnitude of the dipole moment
Classify each of the following binary compounds by the oxidation number of hydrogen. NH3 CaH2 MgH2 H2O HCl NaH H2 CH4
A bottle with a volume of 194 U. S. fluid gallons is filled at the rate of 1.9 g/min. How long does the filling take
The Ksp of AgCl is 1.6 x 10-10. What is the solubility of AgCl in 0.010 M AgNO3? Give your answer using scientific notation and to 2 significant figures
The Ksp of magnesium phosphate at a given temperature is 9.78 x 10-17. Calculate the molar solubility at this temperature.
What is the total mass of the Earth's atmosphere. How does this compare to the mass of the Earth
A certain indicator, HA, has a Ka value of 0.00050. The protonated form of the indicator is red and the ionized form is blue. What is the pKa of the indicator
A car driving at 20 m/s is approaching a stoplight. As the stoplight turns red, the driver decides that the car is going too fast to stop at the white line and hits the brakes hard. How fast was the
Bearing in mind the Jahn-Teller theorem, rank the following compounds in terms of their degree of deviation from idealized octahedral structure- [Cr(CN)6]4-, [Cu(H2O)6]2+, and [Cr(H20)6]3+
Two charges, -3.5?C and -4.4?C , are located at (-0.70m , 0) and (0.70m , 0), respectively. find the location of the point where the electric field is zero
What is the pH of a solution made by adding 6.21 grams of sodium fluoride to 391 ml of 0.317 M hydrofluoric acid (assume no change in volume takes place)
An exoplanet with a mass of 5 times the mass of Jupiter and a radius of 2 Jupiter radii orbits a 3 solar mass star a distance of 10 AU from the star. estimate the orbital velocities of the star and
An electron has an initial velocity of 4.9 • 106 m/s in a uniform 1.9 • 105 N/C strength electric field. How far does the electron travel before coming into rest in m
Bearing in mind the Jahn-Teller theorem, rank the following compounds in terms of their degree of deviation from idealized octahedral structure: [Cr(CN)6]4-, [Cu(H2O)6]2+, and [Cr(OH2)6]3+. Explain
What is the direction of an electric field that will balance the weight of a 3.7g plastic sphere that has been charged to -3.1nC ? Upward or Downward
Calculate the work (in kJ) when 1.70 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 28.9 m/s. Find the airplane\'s acceleration
After completing th calculations below, sketch the PH curve for the titration of 30.0 mL of a 0.125M solution of a weak acid, HA(ka=1.3*10^-5) with 0.125 M KOH. indicate the pH at a) the beginning
Four charges of equal magnitude Q = 65 nC are placed on the corners of a rectangle of sides D1 = 25 cm and D2 = 10 cm. calculate the numeric value for the horizontal force in N
If the surface area of a human is 1.7 m^2 and each square inch of skin contains 75 pressure sensors
7.80 g of CuNO3 is dissolved in water to make a 0.720 M solution. What is the volume of the solution? Answer should be in mL.
After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 1.69 km away. What distance did the dog run
A) a saturated solution of metal hydroxide, M(OH)2, has a pH of 10.35. Calculate the molar solubility and the ksp, for this metal hydroxide? M(OH)2(s)<<<<>>>M^2+2OH1- B) What is
The catapults on the USS George H.W. Bush can launch aircraft from rest to a speed of 150 mph over a distance of 270 feet. Find the acceleration of the aircraft