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!
For the hydrogen atom, calculate the wavelength of light needed to excite the electron from the fifth energy level to the ninth energy level.
What percentage (by mass) of trichloroethane is left as a liquid when equilibrium is established
Describe the detailed structure of DNA and explain the manner in which this structure replicates itself in both prokaryotes and eukaryotes
The Heat of vaporization delta Hvap of carbon tetrachloride (CCl4) at 25C is 39.4 kJ/mol. If 1 mol of liquid carbon tetrachloride at 25C has an entropy of 216 J/K, what is the entropy of 1 mol of the vapor in equilibrium with the liquid at this te..
Phosphate systems form essential buffers in organisms. Calculate the pH of a buffer made by dissolving 0.80mol of NaOH in 0.50L of 1.0M H3PO4.
The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)
The heat of fusion of thallium is 21 j/g, and its heat of vaporation is 795j/g. The melting anf boiling points are 304 degress celcius. The specific heat of liquid thallium is 0.13 j/g*c.
the molar mass of the compund is 92g/mol. what is the empirical formula and molecular formula of he compund?
What is the molarity of ZnCl2 that forms when 30.0 of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volume of 285 mL .
What mass of ammonium chloride should be added to 2.45L of a 0.145M NH3 in order to obtain a buffer with a pH of 9.45
The sucrose solution used in the fermentation was 0.350 M. Assume solubility of CO2 in water equivalent to the solubility in the sucrose solution. Hint: some of the CO2 obtained from the fermentation dissolves in the solution, the rest goes to the..
Distilled water in equilibrium with air contais dissolved carbon dioxide at a concentration of 1.0 x 10^-5 M. Calculate the pH of such a solution.
2.0 moles of a gas was collected in the lab at a temperature of 1.1 degrees C and a pressure of 9.5 atm. What volume will the gas occupy under these conditions.
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