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!
When 150. mL of 0.400 M H+ are mixed with 200. mL of 0.500 M OH-, the final temperature of the solution is 26.5°C. What was the initial temperature of the solution before the reaction occurred? Assume that the solution has a total mass of 350. g and a specific heat capacity of 4.184 J/g°C. The enthalpy of neutralization for the reaction is -62.0 kJ/mol of water produced.
1.248-g sample of limestone rock is pulverized and then treated with 30.00 mL of 1.035 M HCl solution. the excess acid then requires 11.56 mL of 1.010 M NaOH for neutralization.
Predict whether each of the following salts will form an acidic, basic or neutral solution. for acidic and basic solutions write an equation for the reaction that takes place. a)Na2SO4 b)KBr c)BaCl2 d)NH4I
a metal has a threshold frequency of 7.5x1014 hz. determine the wavelength m of the electron emitted from the metal
Polyethylene is a synthetic polymer or plastic with many uses. 1.41 g of a polyethylene sample was dissolved in enough benzene to make 100. mL of solution, and the osmotic pressure was found to be 1.86 torr at 25 deg C. What is the approximate mol..
as a system increases in volume it absorbs 52.5 j of energy in the form of heat from the surroundings. the piston is
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular formula of this oxide?
Calculate the molar mass of the unknown. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of water is 0.00°C. Please show all calculations in solving the problem
What is the silver ion concentration in a solution prepared by mixing 461 mL of 0.366 M silver nitrate with 425 mL of 0.545 M sodium chromate
The liquids propanol (P=20.9 torr at 25 degrees celsius) and isopropanol (P=45.2 torr at 25 degrees celsius) are mixed such that the mole fraction of propanol is 0.600. At 25 degrees celsius, what is the vapor pressure of the resulting solution
If the density of an unknown gas is .0985 g/l at 25 degrees Celsius and 725 torr, calculate the density of the unknown gas at 48 degrees celcius and 740 torr
what colour is the light absorbed by Biuret reaction prodct. Give the structure of the part of protein molecule that reacts with the Biuret reagent in the Biuret reaction
How many liters of N2 gas result at 25.0oC and 1.10 atm pressure when 125 grams of NaN3 react
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