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What is the expected vapor pressure when 58.9 g of hexane (C6H14) is mixed with 44.0 g of benzene (C6H6) at 60.0 °C? Given: Vapor pressure of pure hexane at 60 °C is 573 torr. Vapor pressure of pure benzene at 60 °C is 391 torr.
What is the identity of the metal if 0.280 grams of the metal is plated out in the electrolysis? Show all calculations.
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced?
In the 1980s, there was an international agreement to destroy all stockpiles of mustard gas, ClCH2CH2SCH2CH2Cl. When this substance contacts the moisture in eyes, nasal passages, and skin
How many grams of carbon dioxide would be obtained from the burning of 92g of ethanol in oxygen?
A 36.3 ml aliquot of 0.0529 M H2SO4 (aq) is to titrated with 0.0411 M NaOH (aq) What volumen (ml) of base will it take to reach the equivalence point
an aqueous solution is prepared by diluting 3.30mL acetone, CH3COH3, (d= 0.789g/mL) with water to a final volumeof 75.0 mL. The density of the solution is 0.993 g/mL. what are the molarity and the molality of acetone in this solution?
calculate the amount of heat transfered when 24.0 g of CH3OH decompose at constant pressure. delta H is 126.4 kJ
A 70.0 silver object and a 40.0 gold object are both added to 45.5 of water contained in a graduated cylinder. What is the new water level in the cylinder?
What is the frequency of a photon emitted from a hydrogen atom when an electron makes a transition
Assume that the kinetic energy of a 1250 kg car moving at 115 km/h could be converted entirely into heat. What amount of water could be heated from 19 C to 48 C by the car's energy.
The density of lead is 11.4 g/cm3 at 25°C. Calculate the volume occupied by 25.0 g of lead.
SO2 at 1000oC S + O2 2SO2 + O2 2SO3 at 500 oC with a vanadium catalyst SO3 + H2O H2SO4 And what would be do with this sulfuric acid?
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