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Problem- Consider a binary system made up of benzene and toluen .it contains 50% of benzene and 50% of toluen at temperature 100C .calculate the equilibrium composition of benzene and toluen in vapor phase and total pressure at these conditions
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a scientist has constructed a secret peptide to carry a message. you know only the composition of the peptide which is
What are the principal natural sources of hydrogen? What are the principal methods for the commercial preparation of hydrogen?
NH3 is a weak base, NaOH is strong base. Predict what would appear in a soln if NaOH were added to CuSO4 solution instead of NH3.
A system absorbs 159 kJ of heat, and performs 83 kJ of work on the surroundings. What is the change in E of the system
what would the coefficent of Al(NO3)3 be in the balanced equation?
A flask containing 5.00ml of 3M HCI solution requires 14.45 mL of 1.00M NaOH for titration. How many moles of HCI are present in the solution. The density of 3M HCI is1.05 g/mL
After the reaction comes to equilibrium, an additional 1.00g of O2(g) is added to the system. What is the expected partial pressure of SO2(g) then?
which of the following is a property of an ionic compound?softmalleablelow boiling pointhigh melting
Nicotine, a component of tobacco, is composed of {\rm C}, {\rm H}, and {\rm N}. A 3.675 -mg sample of nicotine was combusted, producing 9.9694 mg of {\rm{CO}}_2 and 2.858 mg of {\rm{H}}_2 {\rm{O}}. What is the empirical formula for nicotine
After treating the crude extract with activated carbon, the solution was somewhat lighter in color, but still quite dark. Knowing that trimyristin is in fact a white crystalline compound, why wasn't more activated carbon used in an attempt to remo..
Write the balanced chemical equation for this acid-base reaction, identifying theconjugate acid/base pairs. If the base-dissociation constant of B is 1 × 10−3, what is the pH at the midpointof the bu?er region. What are the chemical components of t..
If the river flows at an average rate of 0.455 cubic feet per second. what is the additional concentration of nitrogen (expressed in milligrams of nitrogen per liter) in the river water due to the farmer's fertilizer?
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