Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The substance X is an element which has the elemental form of X(s) at 25oC. The standard enthalpy of formation of HXO4(g) is -818.0 kJ/mol at 25oC. The standard entropy of HXO4 (g) and X(s) are, respectively 175.8 J/mol•K and 30.70 J/(mol•K) at 25oC. What is the standard free energy change (kJ) for the following reaction at 504.6 K ? [Note: Answer should be expressed as "xxx.x", or with one sig fig after the decimal point.] 2 HXO4(g) + 7 H2(g) ? 2 X(s) + 8 H2O(g) [Note (all at 25oC): (1) Standard enthalpies of formation for H2O(g) and H2(g) are, respectively, -241.8 and 0 kJ/mol. (2) Standard free energies of formation for H2O(g) and H2(g) are, respectively, -228.6 and 0 kJ/mol. (3) Standard entropies for H2O(g) and H2(g) are, respectively, 188.7 and 130.6 J/(mol•K).]
Calculate the amount of solute in g needed to prepare 431.5 g of 8.85 %(m/m) LiNO3 solution.
A unknown liquid is insoluble in water and soluble in cyclohexane and alcohol with a boiling point of 110 C What is the substance?
A given compound has the following solubility properties. At room temperature, it is souble in diethyl ehter but insoluble in both ethanol and water At high temperatures,
The equilibrium constant Kc for the formation of ammonia: N2(g) + 3H2(g) -> 2NH3(g), is 3.6 x 10^8 at 25 C. What is the concentration of ammonia, when the equilibrium concentrations [N2] = 5.4 x 10^-3 M, and [H2] = 2.1 x 10^-3
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
In air and according to Stokes Law, the settling rate of particles is proprotional to the squares of their diameters, if they have the same densities
calculate the standard enthalpy change for this reaction using standard enthalpies of formation. general chemistry 10th edition ebbing and gammon
A solution containing both Mn2+ and Cd 2+ is saturated with H2S gas, after which the concentration of H is found to be .30 M. will the sulfides of these ions form a precipitate under these conditions
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
Consider a titration of 24.2 mL of 0.0878M solution of aqueous ammonia [Kb(NH3) = 1.8e-5] with a 0.115M of hydrochloric acid.
What proportion of I2 molecules are in the ground and the first two excited levels at the two temperatures. Calculate the vibrational contribution to the molar entropy of I2 at the two temperatures
Acetylene gas (C2H2) is produced as a result of the reaction CaC2+2H2O-->C2H2+Ca(OH)2 If 16g of CaC2 are consumed in this reaction, how much H2O is needed? answer in units of mol.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd