Calculate the volume of so2 emitted at stp
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when you heat popcorn, it pops because it loses water explosively. Assume a kernel of corn, weighing 0.125 g, weighs only 0.106 g, after popping. Calculate the percentage of water in the kernel of corn?
What is the root mean sqaure velocity of an sulfur molecule at 275 degrees?
What is the dislocation density for copper if the dislocations contribute 75 MPa to the strength of the crystal? If the dislocations form a uniform circle array.
Above that are the mantle and crust. if the average density of the Earth is 5.5 g/cm^3, what is the average density of the Earth's mantle and crust?
an electric power station annually burns 3.1 X 10^7 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP?
Why does adding 6 M HCI to the yellow solution of methyl orange tend to cause the color to change to red? (Note that in solution HCI exists as H+ and Cl ions.)
A 5.50 bullet is fired horizontally into a 1.30 wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.200. The bullet remains embedded in the block, which is observed to slide 0.200 along
Flourine gas reacts with ammonia gas to form N2F4 and HF. How many grams of NH3 are required to form 130 grams of HF?
Three atoms of iron (Fe) are to be combined with four molecules of oxygen (O2). How many total iron atoms and oxygen molecules will be combined during the formation of Fe3O4?
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