A 2770 g sample of a compound containing only carbon
A 2.770 g sample of a compound containing only carbon, hydrogen, and oxygen burns in excess oxygen to produce 4.06 g of CO2 and 1.66 g of H2O. Calculate the mass (in g) of C in the sample.
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The specific heat capacity of the solution produced was 4.20J/g*Celcius, and final temp reached was 34.91 degrees c. How much heat was produced by the dissolution
A light wave has a 670{\rm nm} wavelength in air. Its wavelength in a transparent solid is 420{\rm nm}. What is the light's frequency in the solid
Find the electric field intensity E, at (ρ=0,φ=a, z=h) due to a uniformly charged line of line charge density of ρLC/m and radius a lying inthe xy plane at z=0.
A particular fish tank filled with fresh water (n=1.33) has a coral reef sticker stuck to an exterior wall(outside of the tank). What is the index of refraction of the tank's walls
A machine can be purchased for $10,500, including transportation charges, but installation costs will require $1,500 more. The machine is expected to last four years and produce annual cash revenues of $6,000.
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles
Use the Du Pont system to calculate the return on assets for the two years, and determine why they changed.
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