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Assume water boils at 100.0 C in Houston(near sea level) and at 90.0 C in Cripple Creek Colorado(near 9, 500 feet). If it takes 4.7 min to cook an egg in Cripple Creek and 4.4 min in Houston, what is Ea for this process? Enter your answer in scientific notation.
pure liquid octane d 0.709 gml is used as the fuel in a test of a new automobile drive train. how much energy in kj is
determine How many formula units(formula un) of sodium iodide(NaI) are present in 9.54 grams of this compound and also calculate how many gms of sodium iodide are present in 6.07E+21 formula units of this compound.
Write the net ionic equation for the reaction that occurs when an aqueous solution of hydrochloric acid reacts with an aqueous solution of ammonia.and find delta H
assume that you wanted to prepare a small volume of purehydrogen by reaction of lithium metal with water. how many
determine the amount of heat energy is needed to raise the temperature of 0.362 kilograms of cu from 23. degree celsius
For experiment 4 in chem. 208, Explain how do you find the term symbol. For example part 1b how did she determine the term symbol for the red line color
A sample of hydrogen gas has a volume of 8.56L at a temperature of 0oC and a pressure of 1.50atm. How many molecules of hydrogen are contained in this sample
dimethylpropyl p-toluenesulfonate is dissolved in acetic acid (75C), solvolysis yields five different products. Suggest reasonable structure
how many grams of methylamine must be combusted to raise the temperature of 431 g of water from 11.0 degrees Ce to 41.0 degrees C?
the chloride of an unknown metal is believed to have the formula mcl 3. a 1.891g g sample of the compound is found
Liquid ammonia ionizes to a slight extent. 2NH3(l) > NH4^(+) + NH2^(-). At -50 degrees Celsius, its ion product is K(NH3) = [NH4^(+)][NH2^(-)] = 10^(-30). How many moles of amide ions, NH2^(-), are present per mm^3 of pure liquid ammonia
how would an applied chemist utilize a theortical molecular reaction that had performed well in the acadenic lab to
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