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If delta H is negative and delta S is positive, which of the following is true? a) The reasction os never spontaneous, b) the reaction is always spontaneous? c) the reaction is spontaneous at high temperatures d) the reactions is spontaneous at lower temperatures. e) none of the above
Calculate the change in molar Gibbs energy of tristearin when a deap-sea creature is brought to the surface ( p=1atm) from a depth of 2km. To calculate the hydrostatic pressure, take the mean density of water to be 1.03g/cm
calculate the number of NaCl formula units formed when 190 Na atoms and 98 Cl2 molecules react? 2Na + Cl2 → 2NaCl
Calculate the hydrogen Ion concentration, in moles per liter, for solutions with each of the following pH values.
calculate the nuclear binding energy per nucleon in 6 sig figs,also in joules. 7. For 129Xe, calculate the nuclear binding energy per nucleon in 7 sig.figs also in joules per nucleon.
Draw an approximante titration curve for the titration of 75 mL of 0.020 M NH3 (pKa of NH4=9.24) with 0.10 M HCl. Label the axes
meteorological balloon contains 375 L of helium at 29°C and 0.928 atm. If the volume of the balloon can vary according to external conditions, what volume would it occupy at an altitude at which the temperature is -40°C and the pressure is 0.031 a..
what volume of a 0.500 M HCL solution is needed to completely neutralize 10.0ml of a 0.200M Ba(OH)2 solution
Compute the volume of the tank if the total pressure of the mixture is 44.08 psi at 86°F. What is the partial pressure of each constituent and the average molecular weight of the mixture
1. Average speeds of gas particles (give answers in m/s) a. Calculate the average speed of Hg vapor atoms at 500oC b. Calculate the root-mean-square speed
Write a balanced equation for the combustion of butane gas. If at a given moment butane is reacting at a rate of 0.400 mol L?1s?1, what are the rates of formation of products?
Calcium fluoride has a Ksp of 3.9 x 10^-11 at 25 C. What is the fluoride ion concentration at equilibrium
The flask was then shaken until the solution was uniform. A 20.0-rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
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