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!
Calculate the standard heat formation of carbon disulfide, CS2 from its elements { C (graphite + 2 S (rhombic) -----> CS2 (l) }, given that: C (graphite) + O2 (g) -----> CO2 (g) deltaHrxn= -393.5 kJ S (rhombic) + )2 (g) ----> SO2 (g) deltahrxn= -296.4 kJ CS2 (l) + 3 O2 (g) --------> CO2 (g) + 2 SO2 (g) deltahrxn= -1073.6 kJ deltaH^0 (subscript f) (CS2, l) =
Using a stock solution of 95.4ppm MgCO3, you are directed by your instructor to make calibration standards of 1.0, 7.5, and12.0 ppm. If you use 100mL volumetric flasks to make the solutions, what volume of stock solution will you require for each ..
If the rate increases by a factor of 10 as the temperature increases from 35 °C to 70°C, what is the activation energy for the reaction?
If there are initially 7.21 grams of the compound dissolved in 110.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ether?
14.0 moles of gas are in a 5.00 L tank at 23.4 C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L2*atm/mol2 and b=0.430L/mol
A voltaic cell is set up at 25º C with thefollowing half cells: Al3+ (0.0010 M) | Al and Ni2+(0.50 M) | Ni. Write an equation for the reaction that occurs when the cellgenerates an electric current and determinethe cell potential.
What wavelength lambda should the astrophysicist look for to detect a transition of an electron from the n= 7 to the n=3 level
an ideal gas is permitted to expand isothermally from two liters at 5.00 atm in two steps1 against a constant external
Determine the molecular formula of an unknown perfect gas composed primarily of Nitrogen and Oxygen. At -3 degrees Celsius and when the pressure is 101.325kPa the density is 1.354 g/L.
The standard deviation is 50768, and the RSD % is 12.4%. The original mass of the tablet was 679.1 milligrams. How do I find how many milligrams of caffeine was in the original tablet
in a calorimeter 10.0 g of ice melts at 0 oc. the enthalpy of fusion of the ice is 334 jg. how much heat was
Classify each of the following solutions as acidic, basic, or neutral. Explain how you reached this conclusion.
Assume that no heat is lost to the surroundings or to the coffee cup itself. Assume that the mass of the solution is equal to the mass of the water.
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