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Suppose the enthalpy of solution of KBr in water is about 198 kJ/mol. Nevertheless, the solubility of KBr in water is relatively high. Define why does the solution process take place even though it is endothermic?
What is sodium carbonate + hydrochloric acid balanced formula equation, complete ionic equation, and net ionic equation.
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
the excess HCl required 5.99 mL of 0.0983 M NaOH for titration. Calculate the percentage of nehohetramine in the sample.
What total volume of gas forms if it is collected over water at a temperature of 25 ^\circ {\rm C} and a total pressure of 753{\rm mmHg} ? of a 12.5g of Ag(s) 2g2O(s)-> 4Ag(s) + O2
at 1000 k a sample of pure no2 gas decomposes2no2g 2nog o2gthe equilibrium constant kp is 158. analysis shows that the
Calculate the E°cell values for the galvanic cell in Q1. IO3- (aq) + Fe2+ (aq) D Fe3+ (aq) + I2 (aq) 4. Calculate DG° at 25 °C for the reaction
Explain why is the reaction of alkenes with HCl not a useful as a characterization reaction however reaction with Br2 is a good characterization reaction
Using the volume of solvent calculated "which is 1.43 mL of 95% Ethyl alcohol", calculate how much sulfanilamide will remain dissolved in the mother liquor after the mixture is cooled to 0 degree C.
What mass of rm KCl is needed to precipitate the silver ions from 15.0 mL of 0.190 M rm AgNO_3 solution?
At equilibrium the total pressure was 1.00 atm and the NOCl prssure was 0.27 atm. 2NOCl(g) &hArr 2NO(g) + Cl2(g) Calculate the partial pressure of NO and Cl2 in the system
a kitchen oven has an interior volume v of 0.12m3 . the initial pressure p0 inside the oven equals the outside pressure
When MCl4(NH3)2 is dissolved in water and treated with AgNO3, 2 moles of AgCl precipitate immediately for each mole of MCl4(NH3)2. Whats the coordination number of M in the complex?
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