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Restricting yourself to straight-chain (unbranched) compounds, draw the structures of the possible constitutional isomers of pentene. There are two "variables" -- the position of the double bond; and cis/trans isomerization at that double bond.
If the quantum number ms had possible values ±1, ±2, what would be the maximum number of electrons that be placed in a single orbital
Calculate the mass of water vapor produced when 6.00 L of propane (C3H8) gas undergo complete combustion at a temperature of 250C and a pressure of 1.00 atm.
1. determine how many grams of o2 are present when mass of a sample of earths crust is of 328rm gg ? note down
Determine the amount of heat produced when 100 g of CH4 combust, CH4 + 2O2 yields CO2 + 2H2O + 1063kJ
12 grams of hydrogen is combined with 104 grams of oxygen as an explosive reaction that forms water as its sole product. All the hydrogen reacts but 8 grams of oxygen remain. How many grams of water is formed?
What is the concentration of Ag+(aq) remaining in solution when the second metal iodide begins to precipitate from the solution? Ksp1(AgI)=1.5E-16 and Ksp2(PbI2)=1.4E-8
When alkynes are treated with sodium metal, NA, in liquid ammonia, sodium acts as a: A) Bronsted acid B) Bronsted base C) reducing agent D) catalyst and if possible why
a solution of sodium chloride in water has a vapor pressure of 20.1 torr at 25degc. what is the mole fraction of nacl
rewrite the equation so heat of reaction (delta H) equals deltaHf for 4PCl3 (g) yields p4(s) + 6Cl2 (g) Values for delta HF in Kj/mol are:
The contents of the tank are transferred without loss to an evacuated 55 L tank in scold room where the temperature is 4 degree C . What is the pressure in the tank ?
What is delta H rxn/mol Mg for the following reaction. Mg + 2HCl -> MgCl2 + H2 if 0.158 g Mg reacts in 100.0 mL of solution and changes the temperature from 25.6 °C to 32.8 °C
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done.
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