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At 30oC, the decomposition of hydrogen iodide into hydrogen and iodine is a second-order reaction. The rate constant for the reaction at 30oC is 0.120 L*mol-1*s-1. How long does it take an initial concentration of 0.150 mol/L to reduce to one-quarter the initial concentration?
What are the normal boiling points of cyclohexane and toluene. Without looking up the actual value, which has a higher vapor pressure
How many grams of sucrose (C12H22O11) must be added to 509 g of water to give a solution with a vapor pressure 0.723 mmHg less than that of pure water at 20 degrees C.
addition of hbr to 1-phenylpropene yield only 1-bromopropylbenzene.propose a mechanism for the reaction and explain
A 5 cm thick beef steak is being frozen in a -30 C room. The product has 73% moisture content, density of 970 kg/m^3, and a thermal conductivity (frozen) of 1.1 W/ (m K). Estimate the freezing time using Plank's equation
A student has sample of HNO3 of 340 ml at 25 degrees celsius and add water of 110 ml at 95 degrees celsius then determine the final temperature of the mixture
What would be the product if dimethyl maleate (cis-MeCCH=CHCO2Me) was heated in the presence of 3-sulfolene?
Assuming that the microwave ovens emit radiation with a wavelength of 12.2 cm, calculate how many photons are emitted per second in a 1000-Watt microwave oven.
Are they right if not then what is their outer shell configuration - What is the outer configuration of d subshell
Calculate the heat lost by the hot water, Calculate the heat gained by the cold water, Calculate the calorimeter constant, using the delta T of the cold water.
Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%
Sodium borohydride reacts very slowly with ethanol to evolve a gas. Write a balanced equation for this reaction.
Copper(II) iodate precipitates from iodate solution. The formula of the precipitate is CU(IO3)2. A saturated solution of this substance was made in 0.01 M KIO3.
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