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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.
one of the allotropes of sulfur is the orthorhombic form formula s8 8 is a subscript which is a brittle yellow solid.
LiI has a lattice E of -7.3x10^2 kJ/mol and a heat of hydration of -793kJ/mol. Heat of solution is -60kJ/mol. Determine how much heat is evolved
a plant manufacturing nails and screws uses a large pool volume 10000 l to collect and treat its residual waste water
question what is the magnitude and sign of the molar heat of vaporization of butane? explain using hesss law. is your
How many mL of 4.50 M sodium hydroxide must be added to 250 mL of a 0.200 M nitrous acid solution to make a buffer with pH = 3.00?
Baking soda (NaHCO3) can be made in large quantities by the following reaction: NaCl + NH3 + CO2 + H2O ---> NaHCO3 + NH4Cl If 9.41g of NaCl reacts with excesses of the other reactants and 3.81g of NaHCO3 is isolated, what is the percent yield of t..
elemental metallic aluminum al is reactedwith hcl to yield aluminum chloride alcl3 and hydrogen gas h2. how many grams
Calculate the de Broglie wavelength of an neutron moving at 1% the speed of light. Calculate the velocity of a neutron with a wavelength of 75pm.
The pH of an aqueous solution containing only a monoprotic weak acid has a pH of 4.1. What is the concentration of hydronium ion, H3O+, in the solution? (a)2 x 10?3 M (b)2 x 10?4 M (c)8 x 10?4 M (d)8 x 10?5 M (e)0.61 M
Solve an equilibrium problem (using an ICE table) to calculate the of each of the following solutions. 0.15 M HF, and a mixture that is 0.15 M in HF and 0.15 in NaF
Calculate delta g rxn and e cell for a redox reaction with n=3 that has an equillibrium constant of K
When using a medicine dropper or a meat baster, you squeeze the rubber bulb and insert the end of the tube into a liquid. Why does the liquid rise inside the dropper or baster when you release the bulb?
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