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Construct models of all the stereoisomers of 1-bromopropene. Draw the line structure of your models. Are these molecules isomers? If they are isomers, to what specific category do they belong to?
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 7805 J. What is the specific heat of the gas
The compound known as butylated hydoxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 1.376 g sample of BHT was combusted in an oxygen rich environment to produce
Twice that amount of light is able to pass through the same thickness of lime jello prepared on Tuesday. What is the relative concentration of the food dye that give rise to the green color in Monday's dessert compared to Tuesday's dessert?
The proteins in the mixture are separated by chromatography. You have reason to believe that your unknown protein is an enzyme which catalyzes the cleavage of phosphodiester bonds.
How many moles of carbon, hydrogen, & oxygen are present in a 100g sample of ascorbic acid? Ascorbic acid (vitamin C) contains 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen by mass. Assume a 100 g sample of ascorbic acid.
Explain what are the potential sources of error for determining the molar extinction coefficient for methylene blue. Explain which sources contribute most to the uncertainty in the coefficient
Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm N2 and 0.500 atm H2 at 648K.
What mass of solid silver chloride will precipitate from a solution containing 1.5 grams of calcium chloride if an excess amount of silver nitrate is added? CaCl2(aq) + 2AgNO3(aq) = 2AgCl(s) + Ca(NO3)2 (aq)
A mixture of 0.146 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
A chemistry handbook lists the solubility of sodium Iodide as 184 grams per 100mL of water at 25 degrees celsius. How many moles of NaI can be dissolved in 100mL of water at 25 degrees celsius?
A solution of equal concentrations of barbituric acid and sodium barbiturate was found to have a pH of 4.01. a) What are the values of Ka and pKa of barbituic acid
A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
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