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Draw an alkyl bromide that will give only 2,4-diphenyl-2-pentene upon treatment with potassium t-butoxide (a bulky base that promotes E2 elimination).
what is the role of lithium hydroxide in the removal of the carbon dioxide exhaled by astronauts?
What is the percentage by mass of CH4 in the mixture. The standard enthalpies of combustion for CH4 and C2H6 are -890.3 kJ mol-1 and -1569.7 kJ mol-1, respectively.
Determine how much heat is formed by this reaction if a typical packet has 250 g of Fe to warm your hands (or feet for up to 4 h) express your answer in kJ?
A .10M solution of the weak acid HCN has an equilibrium constant of 4.9 X 10^-10. Calculate the percent dissociation of the acid
If 0.487 grams of AgNO3 is dissolved in 20 ml of water, how many moles of silver ions will be present in each millimeter?
Radical formed by H-abstraction from diethyl ether. Showing curved arrows to where it goes.
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.05g and its initial temperature is 20.9?C
A certain second-order reaction (B-product) has a rate constant of 1.25×10?3M^-1s^-1 at 27 degree celcius and an initial half-life of 264s . What is the concentration of the reactant B after one half-life
If 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. What will the new pressure be if the temperature is kept constant?
1. Describe the method you would use to seperate a mixture of water(boiling point=100) can be seperated from ethanol(boiling point= 60c)
How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current
the vapor pressure of chlorine dioxide clo2 nbsp is 155 torr at -22.75nbsp ? c and 485 torr atnbsp 0 ? c. what is the
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