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assume that sunlight at the surface of earth has an average intensity of 115e3 wm2 calculate the rms value of the
a solution is prepared by dissolving 600g of an unknown nonelectrolyte in enough water to make 100l of solution the
question state the quadratic formulapick an quadratic equation and solve it using the quadratic formula please explain
a diverging lens has a focal length of -1000 cm if the object distance if 500 cm what is the image distancecm and the
in this weeks experiment you prepared sodium hydrogen carbonate commonly called baking soda next week you will analyze
write a complete mechanism of reaction of 24-dinitrophenylhydrazine with cyclohexanone show electron lone pairs and
a transformer consists of two coils of wire wound on a common toroidal iron core the mutual inductance of the pair is
write a complete mechanism of reaction of 24-dinitrophenylhydrazine with acetaldehyde show electron lone pairs and
kw10e-14 a sample of 01355g of an unknown monoprotic acid was dissolved in 250ml of water and titrated with 00950 m
a 1000-kg rocket has a net propulsion force of 20 kn kilonewtons over a short time period it uniformly speeds up from
the diffusion constant for the alcohol ethanol in water is 124 10-9 m2s a cylinder has a cross-sectional area of 385
the ka of hypochlorous acid hclo is 30x10-8 at 250 c what is the ionization of hypochlorous acid in a 0015 aqueous
a 160- resistor a 120-microf capacitor and a 170-mh inductor are connected in series with a 155-v generatora at what
a person is standing outdoors in the shade where the temperature is 33deg ca what is the radiant energy absorbed per
what are some of the side products that can occur in the preparation of meso-tetraphenylporphyrin and metalloporphyrin
a hockey player uses her hockey stick to exert a force of 681 n on a stationary hockey puck the hockey puck has a mass
a solution is known to be 23 percent by volume rubbing alcohol isopropanol how many milliliters of isopropanol would be
an 30-kg person puts on a life jacket jumps into the water and floats the jacket has a volume of 28x10-2 m3 and is
calculate the energy required and wavelength required to move an electron from the n1 to n 1x10-12 explain why this
the far point of an eye is 255 cm a corrective lens is to be used to allow this eye to focus clearly on objects a great
1 a certain reaction is spontaneous at 43 degrees if the enthalpy change for the reaction is 21 kjmol what is the
the power brick for a laptop computer has a power rating of 45 w it uses a step-down transformer to convert the ac
give the structure of the organic product of the reaction of cyclohexanone with the followinggive the names of the
give the structure of the organic product of the reaction of phenylacetaldehyde with the followinggive the names of the
you are standing between two plane mirrors that are parallel to each other you are 2m from the mirror on your left and