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A double prism is made by joining two thin glass prisms of different refractive index such as crown glass and flint glass, Determine the prism angle of the crown prism
How many grams of copper (II) sulfate are required to prepare 500 mL of a .25 M solution
Two positive point charges, each of which has a charge of 3.4 × 10?9 C, are located at y= + 0.80m and y= ? 0.80m, Find the magnitude of the resultant electrical force on a charge of 9.0 ×
Calculate the mass percent of nickel (II) nitrate in the solution. Showing how you get the answer is most helpful
What mass of ammonium chloride, NH4Cl, (Ka = 5.6 x 10^-10) must be added to exactly 500mL of 0.10M NH3 solution to give a solution with a pH of 9.00
What is the pH of the solution that results from adding 30mL of 0.015M KOH to 50mL of 0.015M benzoic acid, Ka = 6.3 x 10^-5
A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is, What is Q
Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O, How many molecules of NO will be made with 89.5 moles of H2O
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of ti
The balloon ascends to an altitude of 20 , where the pressure is 76.0 and the temperature is 50. . What is the new volume, , of the balloon in liters, assuming it doesn't break or leak
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of calcium cyanamide are required to react with 417.8 g of water
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of water are required to react with 212.9 g of calcium cyanamide
A 2.00-m-long rope has a mass of 0.100 kg, What is the frequency of the oscillator if the power transmitted is 120 W
Consider the reaction, 2 Al(s) + 3 Cl2(g) => 2 AlCl3(g). How many grams of AlCl3 will be made by the reaction of 7 moles of Al(s) with 27 moles of Cl2(g)
Two large, non-conducting plates with the indicated area charge densities are suspended 3.67 cm apart, What volume of the air in region B (between the plates) stores an equal amount of energy
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of
For the reaction PCl5-> PCl3+Cl2 kp= 26.03 at 800K. calculate the equilibrium partial pressure for the reactant and product if the initial pressures are PPCl5= .54 atm and PPCl3= .37 atm.
Two positive point charges, each of which has a charge of 4.3E-9 are located at y=+.10m and y+-.10m, What is the direction of this force
Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120 C. Explain.
Ascorbic acid is a diprotic acid Ka1=8.0*10^-5 and Ka2= 1.6*10^-12. What is the pH of a .260 M solution of ascorbic acid
A radio station broadcasts at a frequency of 101.3 MHz. (1 mHz = 10^6Hz). What is the wavelength and energy of this radiation
An ion accelerated through a potential difference of 102 V experiences an increase in kinetic energy of 3.01 × 10?17 J
The water temperature rose to 27.9 °C. Calculate the molar heat capacity of the metal
The magnitude of a uniform electric field between the two plates is about 2 × 105 N/C. If the distance between these plates is 0.1 cm