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1o mL of a gaseous hydrocarbon required 50 mL of oxygen for complete combustion. If 30 mL of CO2 gas were evolved, what is the molecular formula of the hydrocarbon?.
how many grams of NaNO3 would you add to 250.0g of H2Oin order to prepare a solution that is 0.500 molal in NaNO3
Calculate the molality, molarity and mol fraction of a 25.4% (by mass) aqueous solution of phosphoric acid (H3PO4). in one litre of solution.
question a 230.0 g piece of lead is heated to 80.0 deg c and then dropped into a calorimeter containing 633.0 g of
Draw structures of the following 5-carbon molecules. which are isomers of eachother and explain the type of isomerism involved?
Drawing and naming structures; IUPAC names, Give the structure or structures and the IUPAC names of the alkenes formed from the dehydrohalogenation of the following compounds with a strong base
Give all structural and geometric isomers for the monobromination of propylcyclopentane. Number the different isomers. Draw geometric isomers next to each other and label cis/trans.
Assuming that the pressure in the alveoli is 1.0 atm and the temperature is 37 degrees C, calculate the number of moles of air in in one of the alveoli.
by solving this problemnbsp student understand about isotopic abundance and how to calculate atomic weight average
write the structural formula of organic product that would result from the reactionch3-chch2
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
Using a Sample of 0.3991 grams of an unknown monoprotic acid, HA, which combines with Sodium hydroxide according to the balanced equation HA + NaOH ® NaA + H2O when 35.30 mL of 0.1086 M Sodium hydroxide is required to titrate the acid to the equiv..
you are titrating 75.00 ml of unknown concentration of hydrochloric acid with 0.649 m barium hydroxide. you add 38.72
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