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An electrically neutral model airplane is flying in a horizontal circle on a 3.0-m guideline, which is nearly parallel to the ground. The line breaks when the kinetic energy of the plane is 50 J. Reconsider the same situation, except that now there is a point charge of +q on the plane and a point charge of -q at the other end of the guideline. In this case, the line breaks when the kinetic energy of the plane is 52.0 J. Find the magnitude of the charges.
Arrange the following aqueous solutions in order of increasing freezing points
a 1.247 g piece of aluminum metal is placed in 63.5ml of 0.2054m sulfuric acid solution and reacts in a single
What is the pH of a solution that is known to be 5.58 M in H3PO4. What would be the approximate concentration of PO43-(aq) in that solution
The conjugated system of a retinal consists of 11 carbons atoms and one oxygen atom. In the ground state of retinal. each level up to n=6 is occupied by 2 electrons.
A typical adult bdy contais 6 liters of blood. The hemoglobin content of blood is about 15.5G /100mL. The approximately molecular weight of hemoglobin is 64500 g/mol. How many moles of hemoglobin are present in a typical adult
Problem- Determine the percent ionzation of a mixture of 0.5 M solution of CH3NH3Cl and 0.4 M CH3NH2 at 25 degrees C.
Sirius, the brightest object on the night sky besides the moon and the larger planets and, is a two-star system. The surface temperature of the larger one (Sirius A) is 9940 K. What's the wavelength of the maximum in its emission spectrum. What co..
A solution is made by dissolving 9.15g of solute in 50.0g of water. Explain what is the mass percent concentration of the solution
the total pressure on the surface of titanis 1220 mmhg. the atmosphere consistsof 82 mol n2 12 mol ar and 6.0
While obtaining the Vmax(Vo) for Yellow & Green we utilize a yellow and Green filter. Define why did not use a blue filter on the blue band measurement of Vo
Calculate delta s for reversibly heating 2.000mol of liquid water from 0.00C to 100.00C at a constant pressure of 1.00atm. the specific heat capacity of liquid water is nearly constant and is equal to 1.00cal/kgm or 4.18j/kgm
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
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