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!
Given that Kw for water is 2.4× 10-14 at 37 °C, compute the pH of a neutral aqueous solution at 37 °C, which is the normal human body temperature.
A 2.85 g sample containing only MgO and CuO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C. After the reaction has gone to completion, the pressure inside the flask is 390 torr at 20 deg..
The energy of a photon is 9.61 x 10 ^ -20 J . What is its wavelenght( in nanometers)? Enter your answer in scientific notation
calculate the molar mass of the solute (acetic acid) and suggest what the structure might be.
Calculate the Ka value of a 0.2 M solution of the monoprotic acid, propionic acid, CH3CH2CO2H. The measured pH is 2.44.
If the 300MHz 1H NMR spectrum of a compound has a doublet with one signal at 6.10ppm and the second signal at 6.05 ppm, the value of the coupling constant is?
What Celsius temperature,T2, is required to change the volume of the gas sample in Part A ( T1= 35 degrees celsius, V1= 1120 L) to a volume of 2240 L? Assume no change in pressure or the amount of gas in the balloon.
In IR spectroscopy does the position of the stretch of the oxygen-hydrogen bond in alcohols depend on the concentration of the alcohol?
The boling point of water in city a is 94 degrees celcius and in city b it is 97 degrees celcius. which is at the higher elevation.
Zinc has two isotopes. Zn-64 has an atomic mass of 63.9292amu and Zn-72 has an atomic mass of 71.9278amu. Its average atomic mass is 65.38amu. Calculate the abundance, in percent, of Zn-64.
What volume (in milliliters) of 0.250 M NaOH should be added to a 0.120 L solution of 0.023 M glycine hydrochloride
What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 x 10-5.
We have noted that water level rises to 62.4mL when a piece of metal of 48 grams is dropped into 50.0mL of H 2 O in a graduated cylinder. Determine the density of this metal?
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