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Consider the following reaction: CaCO_3(s)--->CaO(s)+CO_2(g)
Estimate Delta G or this reaction at each of the following temperatures. (Assume that Delta H and Delta S do not change too much within the given temperature range.)
320K?
1020K?
1470K?
and predict wether they will be spontaneous at each of the temperatures?
sulfate pentahydrate are made into a solution with 512.441 g of water. What is the molality of the copper sulfate solution?
A circular storage tank in the san Ardo california oil field water treatment facility is 50 yards in diameter. Estimate how many barrels of fluid this tank could hold
A buret containing NaOH solution has an initial reading of 0.14ml. 25.00ml of 0.1000M HCl is titrated to a phenolphthalein end point,
Molecular formula of C10H14. The carbon NMR shows 7 carbon peaks and 4 H peaks. H(4) broad multiplet at 7.0, H(3) singlet at 1.4, H(1) multiplet at 1.2, and H(6) doublet at 1.0. Has strong UV absorbance at 260nm
The vapor pressure of ethanol is 10. torr at -2.3 degrees celsius and 40. torr at 19 degrees celsius.
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 40.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22C to 48C by the car's energy?
A catalyst decreases the activation energy of a particular exothermic reaction by 59 kJ/mol, to 51 kJ/mol. Assuming that the mechanism has only one step, and that the products are 94 kJ lower in energy than the reactants
Which of the following correctly lists the following isomeric alkanes in order of increasing boiling point? n-hexane, 2,3-dimethylbutane, 2-methylpentane
Calculate the heat released (kJ) in the reaction of 2.20 g of sulfur dioxide gas and excess oxygen gas to form sulfur trioxide gas
Heat is lost to the styrofoam calorimeter. Assuming a 6.22 C temperature change for the reaction of HCl(aq) with NaOH(aq), calculate the heat loss to the inner 2.35-g styrofoam cup. The specific heat of styrofoam is 1.34 J/gC.
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