Suppose you are studying the Ksp of KClOX3, which has a molar mass of 122.5 g/mol, at multiple temperatures. You dissolve 4.00 g of  KClOX3 in 12 mL of water at 85 oC and cool the solution. At 74 oC, a solid begins to appear. What is the Ksp of KClOX3 at 74 oC?

5.21 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C. Calculate ∆H, in kJ/mol, for the dissolution of MgSO₄. (The specific heat of water is 4.184 J/g･°C and the density of the water is 1.00 g/mL). You can assume that the specific heat of the solution is the same as that of water.

The ΔHvap of a certain compound is 46.73 kJ·mol−1 and its ΔSvap is 64.96 J·mol−1·K−1. What is the boiling point of this compound?

Calculate AGO at 605 K for H₂O(g) + 1/2 02(g) → H₂O₂(g) using the following data: AGO = H₂(g) +O₂(g) → H₂O₂(g) K = 8.9 × 10³6 at 605 K 2H₂(g) + O₂(g) → 2H₂O(g) K = 2.0 x 106 at 605 K kJ/mol

If 1.0 mL of 0.4 M HCl was added to 40.0 mL of pure water, what would the resulting ΔpH of the solution be

What is AS for the combustion of propane? C3H8(g) +502(g) → 3CO2(g) + 4H₂O(g) Substance C3H8(g) O2(g) CO2(g) H₂O(g) S(J/K mol) 269.9 205.0 213.6 188.7

Can someone verify my answers? I got: a)  endothermic b)-1149.5 J c) 1149.5 J d)0.0117 mol e) 97704.05 J/mol

A student dissolves 11.0 g of potassium hydroxide (KOH) in 200. g of water in a well-insulated open cup. He then observes the temperature of the water rise from 22.0 °C to 33.7 °C over the course of 8.5 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: КОН(:) K*(aq) + OH (aq) You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to the correct number of significant digits. Note for advanced students: it's possible the student did not do the experiment carefully, and the values you calculate may not be the same as the known and published values for this reaction. O exothermic Is this reaction exothermic, endothermic, or neither? O endothermic O neither If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case. I kJ Calculate…