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If I burn 0.315 moles of hexane (C6H14) in a bomb calorimeter containing 5.65 liters of water, what's the molar heat of combustion of hexane is the water temperature rises 55.4 ºC? The heat capacity of water is 4.184 J/g ºC .
Compute the enthalpy change, , for this reaction per mole of (Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] )
If 20.0 dm3 of methane, CH4, react with 200.0 dm3 of air at STP, calculate the dm3 of carbon dioxide gas produced.
How many grams of sodium fluoride should be added to prepare the buffer solution? Neglect the small volume chane that occurs when the sodium fluoride is added.
A student takes 195. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
write the balanced equation for the reaction of the active ingredients in Gaviscon Extra strength with excess acid.
In this experiment a hot metal block at 100oC is added to cold water in a calorimeter. The heat lost by the metal block equals the heat gained by the water and the two end up at the same temperature.
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
When mixed HCl an acid and NaOH a base will react with each other. a) Write the balanced neutrali zation equation for this reaction
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen
If a 2.1 L reaction vessel initially contains 725 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 102 torr .
Calculate the molarity and the molality of an NH3 solution made up of 37.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
A 1.6 g sample of a molecular compound is dissolved in 104 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51degreesC, the normal boiling point of CCl4 is 61.2degreesC. The boiling point constant for ..
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