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!
A 76.0-gram piece of metal at 96.0 °C is placed in 120.0 g of water in a calorimeter at 24.5 °C. The final temperature in the calorimeter is 31.0 °C. Determine the specific heat of the metal. Show your work by listing various steps, and explain how the law of conservation of energy applies to this situation
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
a solution contains 50.0g of heptane c7h16and 50.0g of octane c8h18 at 25 degrees c.the vapor pressures of pure heptane
Use the Clausius-Clapeyron equation to estimate the boiling point of water at 24.0.torr pressure. The average enthalpy of vaporization for water over the relevant temperature range is 42.34 kJ/mol.
A hydrogen atom has its electron in the n = 2 state.
What is the bond order of a molecule with 10 valence electrons 12valence electrons,13 valece electrons,14 valence electrons
Problem- In a six-step synthesis, what is the yield of the target molecule if each of the reactions employed gives an 85 % yield. What would the yield be if two more steps each with an 85 % yield were added to the synthesis
A solution was prepared by mixing 43.00 mL of 0.190 M HNO3 and 108.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
A sample consisting of various gases contains 3.1 X 10^-6 mole fraction of radon. This gas at a total pressure of 31atm is shaken with water at 30 degree celcius.
Explain a sodium phosphate solution has a concentration of 52 % w/v. Define how many mL of the solution are necessary to provide 0.26 mol of sodium phosphate. Explain the molar mass of sodium phosphate is 163.94g/mol.
A buffer is created by mixing equal concentration is NH4+ and NH3. Calculate the volume of both solutions needed to create a buffer of pH = 8.75 with a total volume of 100ml
When performing a mass to mass stoichiometry problem, explain why masses must be converted to moles rather than directly using the mass
question a 1-l container holds 4.0 moles of fe and 5.0 moles of h2o. it is heated to 1000 k and reaches equilibrium
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