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A laser beam with an intensity of 60 W/m2 shines on a black object of mass 2.9 mg . The beam hits an area of 4.5 mm2 head-on (that is, the beam is perpendicular to the surface).
Assuming a totally inelastic collision (meaning the incident photons are absorbed by the black object) and ignoring friction, what is the resulting acceleration of the object?
Using vsepr molcule determine Electron Domain and Molcules for. CH3I ClF3 H2S SO3 SO4^-2 Nh4 NH2^- CO3^-2 ICI2
An insulated tank contains half liquid and half vapor by volume in equilibrium. The release of a small quantity of vapor without the addition of heat will cause
18.25 ml of 0.197 M NaOH will neutralize 10.00 ml of what molar concentration of H2SO4 solution?
Calculate the number of Rb-87 atoms in a 10.60 g sample of the naturally occurring isotope. b. A major line in the emission spectrum of rubidium has an energy value of 2.88X10-19 J. Calculate the wavelength, in nanometers, of light that correspond..
An ecology-conscious gardner finds a container of DDT with about.78 in left. Wishing to dispose of it properly, he goes on a trip around the world and distributes the DDT evenly in all the oceans. After the DDT has mixed thoroughly in the oceans (thi..
Question- A current of 3.47 A is passed through a Cr(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.20 g of chromium
1 calculate the volume of 0.150 m naoh titrant added to 50.00 ml of a 0.0100 m hcl analyte solution to produce a ph of
Given a buret filled with 0.12 M acetic acid and a second buret filled with 0.14 M sodium acetate, how many milliliters of each solution should be mixed together to produce 18.5 mL of a solution with a pH of 4.80
Consider the following gas phase chemical reaction: 2A(g)?B(g) Write down the expression for the equilibrium constant of this reaction.
A gas absorbs 0.0j of heat and then performs 35.6j of works. the change in interval energy of the gas is
How molarity can be used to calculate moles. Describe how to make a certain concentration. Calculate how many grams of solute are needed for an application.
For what signs of ?H and ?S will a process be spontaneous at high temperatures but not at low temperatures? not be spontaneous at any temperatures
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