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 student carrried an experiment to prepare hydrogen in the labrotary, if the student collected 145.5ml of gas at a pressure of 750 mmHg and a temp of 25 degree celcius. what is the mass of hygrogen gas (in mg) did the student collect?
when 2.0g of an electolyte was dissolved in 25.0g water, the resulting solution was found to have a molairy of 0.815M and a molality of 0.800m. a) find the molecular weight of the electolyte.
A sample of the unknown complex is analyzed and has an absorbance of 0.528. What is the molar concentration of Cu^2+ ions in the unknown solution?
Under what conditions can you ensure that substitution will predominate and under what conditions can you ensure that elimination will predominate?
A solution containing Pt4+ is electrolyzed with a current of 5.00 A. How long will it take to plate out 77% of the platinum in 0.50 L of a 0.010 M solution of Pt4+?
A star is 3.28 x 1014 km from Earth. How many days does it take for light to travel from the star to Earth?
Find the amount of thermal energy produced in kilojoules when 18.9 g of water is heated from 16°C to 98.0°C.
a gas cylinder witha volume of 3.00 dm^3 contains 8.00 moles of oxygen gas at a temperature of 50.0k. what is the pressure inside the cylinder.
A gas bottle contains .65 mol of gas at 730 Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
How many molecules of sucrose (table sugar), C12H22O11, dissolved in 450.0 g of water are needed to make a 1.30 m solution?
The vapor pressure of pure ethanol is 56 torr. if a solution prepared from 560.0 g of methanol and 210.0 g of ethanol has a vapor pressure of .31 atm over the soultion.
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
The standard free energy for the neutralization of HCl with NaOH at 25 degrees Celsius is -79.9KJ/mol. Calculate the equilibrium constant for the reaction.
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