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Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order in cylclopropane and has a rate constant of 5.87*10^-4/s at 485 C.
If a 2.1-L reaction vessel initially contains 722 torr of cyclopropane at 485 C, how long will it take for the partial pressure of cylclopropane to drop to below 105 torr?
What mass of precipitate forms when 157.5 mL of 0.749 M NaOH is added to 517 mL of a solution that contains 10.9 g aluminum sulfate per liter
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 1 state.
A 17.0-g sample of ice at -19.0°C is mixed with 101.0 g of water at 87.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
calculate the heat released when 1.42 l of cl2g with a density of 1.88 gl reacts with an excess of sodium metal at
write the net ionic equation for any precipitation reaction that may be predicted by the solubility rules on the
calculate the ph of buffer solution made from .20 M HC2H3O2 and .050 M C2H3O2 that has an acid dissociation constant for HC2H3O2 of 1.8*10-5.
A 0.54 M solution of a compound in water has a density of 1.340 g/mL at 20°C. What is the molality of this solution. Assume that the mass of the solution is the mass of the solvent
how much energy in kilojoules is needed to heat 3.60 rm g of ice from -11.0circ rm c to 30.5circ rm c? the heat of
The MnO4(-) is often used to analyze for the Fe(2+) content of an aqueous solution via the reaction MnO4(-) + Fe(2+) ---> Fe(3+) + Mn(2+) in acidic solution. What is the ratio of Fe(2+):MnO4(-) in the balanced equation
Write equations for (a) the hydrolysis of TiCl4 and (b) the neutralization of Ba(OH)2
Draw a saturated and unsaturated hydrocarbon with 4 carbons in length and give their IUPAC
What are the roots for x in this quadratic equation? 2 x2 - 7 x + 0.5 = 0 The larger root is (use 3 significant figs) The smaller root is (use 3 significant figs)
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