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!
The Ka for HCHO2 (formic acid) is 1.8x10-4 . What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.
HCOOH and HCOONa How many milliliters of HCOOH and HCOONa would you use to make approximately a liter of the buffer?
Calculate the mass of material required if 1500 calories of energy causes a change from -27 degrees fahrenheit to 91 degrees celcius and the specific heat capacity is 0.25 joules/gram-degree C.
Draw the molecule by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electrons.
an expandable gas does 165.0 J of work on its surroundings at a constant pressure of 1.00atm. If the gas initially occupied 68.0 mL, what is the final volume of the gas?
After the Ketone react with sodium borohydride in ethanol. HCl be added dropwise, and then remove the ethanol by distillation, then add DCM and ice water.
Is imidazole an aromatic compound? Explain. Remember to account for non-bonding electrons on the nitrogen atoms. Which nitrogen atom is more likely to be protonated in an acid solution?
The 1H-NMR spectrum of compound A, C5H10O, consists of the following signals: ? 9.72 (triplet, 1H), 2.40 (quartet, 2H), 1.58 (quintet, 2H), 1.31
In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion
Find the confidence limit (95% confidence level), true value (from literature), absolute error, and relative error).
Consider one mole of a monatomic ideal gas at 300 K that udergoes a free expansion from a volume of 1m^3 to 10 m^3. a). How much does the chemical potential of each molecule in the gas change?
When the electrons return to the ground state, they lose the excess energy in the form of 640 nm photons. What is the energy gap between the ground state and excited state in the laser material? answer is in J i was absent in class and my test is ..
the enthalpy of formation of ethanol, C2H5OH, is -277.0 kJ/mol at 298.15k. calculate the enthalpy of combustion of one mole of ethanol, assuming that the products are CO2 (g) and H2O.
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