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A .3120g sample of a compound made up of aluminum and chlorine yields 1.006g of AgCl when mixed with enoughAgNO3 to react completely with all of the chlorine. Explain what the empirical simplest formula of the compound is.
an acid solution is 0.100 m in hcl and 0.190 m in h2so4.what volume of a 0.150 m koh solution would have to be added to
a calorimeter contains 25.0 grams of water at the temperature of fifteen degree celsius . when 2.10 grams of a
Two drugs have no common primary or secondary effects in common. would you expect these drugs to produce dangerous synergistic effects when taken together. Why or Why not
A sample of argon gas collected at a pressure of 761 mm Hg and a temperature of 283 K has a mass of 32.2 grams. The volume of the sample is. answer in L please.
If the groundwater at the top of the saturated zone is in equilibrium with air, calculate the concentration of m-Xylene in the air in mol/L
2NH3(g)----N2(g) + 3H2 (g) at equilibrium, it was found that the concentrations were: .0584M for H2, .0195M for N2 and .430M for NH3. What was the initial concentration of ammonia
Type the electron configuration for the following ions according to the rules in your text. Use the format {He} 2s2 2p2 for carbon. Pay attention to the spaces.
Although acetanilide and phenacetin aren't appreciably acidic, acetaminophen (like aspirin) is a stronger acid than water. what problem would you encounter if the unknown component were acetaminophen rather than acetanilide or phenacetin
One mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 4.90 liters against a constant external pressure of 1.00 atm. How much work (in joules) is performed on the surroundings?
A sample of Tl-201 has an initial decay rate of 5.84×104 /s. How long will it take for the decay rate to fall to 319 /s. ( Tl-201 has a half-life of 3.042 days.)
The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively.
The combustion of pentane with oxygen is a well known process. Write a balanced equation for the reaction of pentane, C5H12, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O. What mass of carbon dioxide will be produced by..
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