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 standard enthalpy of formation of gaseous water is -241.82 kj/mol at 298 K. Estimate this value at 370 K. The molar heat capacities of hydrogen, oxygen, and gaseous water are 28.82, 29.36, and 33.58 J/(K x mol).
A. -241.82 kJ/mol
B. -243.25 kJ/mol
C. -242.54 kJ/mol
D. -240.39 kJ/mol
E. -241.10 kJ/mol
C and dropped into a calorimeter containing water (specific heat capacity 4.18 J/ g C) initially at 20.2deg C. The final temperature of the water is 33.7 deg C. Caluclate the mass of water in the calorimeter.
50.0 mL of 0.10 M HNO2 (Ka=4.5E-4) is added to 25.0 mL of 0.25 M KNO2 solution. What is the pH of the final solution
A beaker contains 250 mL of a 1.00 M HCl solution. how many moles of the acid would remain in the solution after 1.099 moles of HCl are neutralized? Show each step.
a calorimeter contains 27.0 grams of h2o at the temperature of 14.5 degree celsius. when 1.40 grams of a substance that
calculate the mass kg of the solute c4h8o and the volume ml of the solvent c6h6 that should be combined to generate
At 400°C, Kc = 64 for the equilibrium H2(g) + I2(g) 2HI(g). If 3.00 mol H2 and 3.00 mol I2 are introduced into an empty 4.0 L vessel, find the equilibrium concentration of HI at 400ºC. A) 0.15 M B) 1.2 M C) 2.4 M D) 4.8 M E) 5.8 M
a solution made by adding .106 mol of CH3COOH to 1.0 kg of water is found to freeze at -.203 C. Calculate the percent of the acid that has undergone ionization. The molal freezing point constant of water is 1.86
Calculate the work if the process is carried out reversibly and isothermally. Calculate the work for question 1 if the process is carried out irreversibly.
A chemical reaction takes place in a container of cross-sectional area 100 cm2 As a result of . the reaction, a piston is pushed out through 11 cm against an external pressure of 689 torr. What is the value for w for this reaction?
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
Obtain expressions for the following partial derivatives for a diatomic ideal gas, assuming that its translational, rotational, and vibrational motions all behave classically.
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
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