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Return the values on the two meters to zero. Double-click (or click and drag) the alpha source and the phosphor screen to return them to the Stockroom counter. Enter the Stockroom. Double-click on the alpha source and the phosphor screen to place them on the shelf. Select the laser and the video camera by double-clicking on them, and then click on the green Return to Lab arrow to return to the lab. Place the laser in the center spotlight on the left and turn the laser on (click on the red/green light). Place the video camera on the center spotlight on the right and click the video camera to turn it on. Set the laser intensity to 1 nW and the wavelength to 20 nm. This wavelength is in the x-ray region of the electromagnetic spectrum. The purple dot is a representation of the x-rays hitting the video camera. Change the Electric Field and Magnetic Field to determine the effect on the x-rays. Did the electric or magnetic fields affect the x-rays? Why or why not?
Calculate the number of moles of H2O formed when 0.200 mole of Ba(OH)2 is treated with 0.500 mol of HClO3 according to the chemical reaction shown below.
A saturated solution of iron(II) hydroxide at 25°C contains 1.0 x 10-5 M Fe2+ ions. Determine the ?G° for the solution at this temperature.
At constant pressure, it is cooled to 18.00 °C where its final volume is 1.75 L. What was the initial temperature?
At equilibrium the total pressure was 1.00 atm and the NOCl prssure was 0.27 atm. 2NOCl(g) &hArr 2NO(g) + Cl2(g) Calculate the partial pressure of NO and Cl2 in the system
Solar furnaces are designed to focus sunlight (say, with a parabolic mirror ) onto a relatively small area. given that the surface temperature of the sun is about 600K.
How would the results differ if you added sodium p-toluate instead of p-toluic acid to the two-layer mixture of tert-butyl methyl ether and water
Aqueous solutions of chromium(III) chloride and lithium hydroxide react to give aqueous lithium chloride and a chromium(III) hydroxide precipitate.
20 millilitres of H2SO4 solution was titrated against 0.2M NaOH and required 12.4 millilitres to reach the end point. calculate the concentration of the H2SO4 solution in (a)Molarity (b) g/l.
Complete the mechanism for the base-catalyzed racemization of the chiral ketone below by adding any missing atoms
What volume (mL) of a concentrated solution of NaOH (6.00 M) must be diluted to 200. mL to make a 0.88 M NaOH solution
consider the decomposition of liquid benzene to gaseous acetylene according to the following reaction C6H6=3C2H2 what is the delta H for the formation of 1 mole of acetylene?
what is the total number of joules absorbed by 65.0g of water when the temperature of the water is rasied from 25.0 c to 40,0 c?
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