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1) How are the atoms arranged within nylon 6 molecular structure that leads to its strength, and explain the significance of the intermolecular forces which give it its high melting point?
2) Why is nylon 6 not a condensation polymer unlike most nylons?
The solubility of ammonium chloride at 70C is 60g of solute per 100g of water. What solution would be saturated at 70C
assume that you piper twenty milliliters of 0.350m cacl2 into a fifty milliliter volumetric flask and add di water to
In an experiment, 0.500 L of 0.020 mol L ^-1 NaOH(aq) is rapidly mixed with an equal volume of 0.020 mol L^-1 HCN(aq). Calculate the time, in seconds, required for this [OH] to decrease to 1.0×10^4 mol L^-1. (Hint: Start from the rate law in the f..
How many grams of lead chromate form when a 1.00-g sample of Pb(NO3)2 is added to 5.0 mL of 1.00 M K2CrO4 solution.
what is the skeleton equation for heating copperii sulfide in the presence of diatomic oxygen produces pure copper and
the rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 305K and 315 K. What must the activation energy be for the rate constant to double as described?
assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts heat capacity(s) 37.7 jmolk
Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent? answer in % molality? answer in mol/kg
at a pressure of 1 atmosphere and a temperature of 25 degc 500 cm3 of the gas hx has a mass of 0.400 g. calculate the
If two ideal gases are both placed in identical containers with at the same constant Volume and Temp and same number of moles of gas
what wind flow rate entering the canyon would produce a pollutant concentration greater than 0.0025 gmol/ft^3 in the air coming out of the canyon?
How much heat (in ) is required to warm 12.0 of ice, initially at -12.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01 .
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