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You combine a soultion of K2SO4 with a solution of Pb(NO3)2 and observe that a solid is formed. Write a chemical formula for the solid that forms.
Which of the changes listed below will shift the equilibrium to therightfor the following reversible reaction? C(s) + H2O(g)CO(g) + H2(g) + heat
When coal is burned, the sulfur present in coal is converted to sulfur dioxide (SO2), which is responsible for the acid rain phenomenon. S(s) + O2(g) ? SO2(g) If 1.64 kg of S are reacted with oxygen, calculate the volume of SO2 gas (in mL) formed ..
a gaseous mixture consists of 80.0 mole percent n2 and 20.0 mole percent 02. suppose water is saturated with the gas
Define the silicon in the plate is a mixture of naturally occurring isotopes. One of those isotopes is silicon-30, which has an atomic mass of 29.97376amu as well as a percent natural abundance of 3.10%.
suppose 532 ml of neon gas at 20c and 1.04 atmospheres and 376 ml of sf6 gas at 20c and 0.97 atmospheres are put into a
Calculate the velocity (in units of m/s) of an electron having a mass of 9.09 x 10 -28 g and wavelength of 99.9 nm
Using a proton NMR how could you experimentally determine that you have a trans isomer rather than a cis isomer of Chalcone
Caffeine is widely soluble in ethanol. Utilized ethanol instead of dichloromethane to extract the caffeine from tea? Why or why not?
Give n and p-type dopants for the following materials. Explicate your reasoning. Remember: Gases do not make good dopants. SiC
Calculate the molarity of the ions present in these salt solutions. Assume each salt to be 100% dissociated. a. 0.75M ZnBr2
What is the molar solubility of PbI2 in water. For PbI2, Ksp=7.9x10-9. You may assume that the ions do not form ion pairs in solution. Give your answer in moles per litre, accurate to two significant figures.
considering the given equation as 4no2g o2g at the temperature of twenty five degree celsius and nbspk 3.38x10-5snbsp
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