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256g of a mixture of methane and acetylene burn in oxygen to produce 1160g of carbon dioxide and water. What was the initial mass of each reactant?
A green leaf has a surface area of 2.10 cm^2. If solar radiation is 1150 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
Safranin is a red stain used in biology and has this structure. Use the structure of the molecule to explain why safranin is coloured.
2A(g) + 3B(g) → A2B3(g) If 0.5 atm of gas A is mixed in an evacuated reaction flask with 1.0 atm of gas B, what is the final pressure in the reaction flask? (assume that the reaction goes to completion)
Why is Benzyl Bromide, which appears to be a primary halide, able to undergo SN2 and SN1 reactions. Support your answers with drawings.
Explain what are the concentrations of OH- and H+ in a .00084 M Solution of Ba(OH)2 at 25 degrees Celsius. Presume complete dissociation
Calculate the temperature of the system once equilibrium has been reached. Assume that CP,m for Au(s) and H2O(l) is constant at their values for 298 K throughout the temperature range of interest.
how many liters of H2 would be formed at 530 mm Hg and 15 degrees celcius if 20.5g of zinc was allowed to react?
How would you change the procedures in the chapter"Dibenzalacetone by the Aldol Condensation Reaction" if you wished to synthesize benzalacetone instead. How aboutBenzalacetophenone.
You are asked to prepare a 500.0 mL of a 0.750 M iron (III) chloride solution from a bottle that contains that solid. How many grams of iron (III) chloride would be needed to make this solution. Show work please.
what product would you expect to obtain from addition of Cl2 to 1,2-dimethylcyclohexene? Show the stereochemistry of the product.
Explain the relationship between the cooling of organs as well as tissues for medical transplants and the effect of heat on enzymatic reactions.
For the following gaseous rxn, if the system is heated and compressed, which way will it shift to restore. What would be the expected shift in equilibrium
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