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!
Explain how would you make 100ml of a carbonic acid buffer at 0.2M as well as ph =9.8 using 0.5M HCO3 and either 0.1M NaOH or 0.1M HCl and water?
Explain what could you use to make a 0.5 M buffer at ph= 6.0? How would you make it?
A 12-gram mixture of methane, CH4, and ethane, C2H6, is completely combusted in oxygen. If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture
Write the PRODUCTS of the reaction, if there is a reaction in each case: a) KHCO3(aq) + HCl(aq) -->
Match the quantum numbers with the corresponding shell and subshell or invalid if the quantum numbers are not a valid set.
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl? Explain this observation with respect to the equilibrium reactions that exist in the test..
If a sample solution is 5.00% H2O2 by mass and has a density close to 1.0 g/mL, find the approximate molar concentration of the H2O2 in the solution
A gas cylinder with a movable piston initially contains .25 moles of neon in a 5 L. If .5 moles of helium are added to this gas cylinder, what will be the final volume
a0.032-m aqueous sample of species x was analyzed by atomic absorption spectroscopy at 525 nm and in a 1.00-cm celland
Thallium has an average atomic mass of 204.3833 u. It has two naturally occuring isotopes, 203Tl (with a mass of 202.9723 u) and 205Tl (with a mass of 204.9745 u). Find the percent abundance of the two isotopes, to ±0.001%.
What is the number of milligrams of Ag+ that is not precipitated? Also, if the AgCl precipitate is washed with 200.00 mL of water, what is the maximum number of milligrams of AgCl that could be lost
A urine sample contains 46.5mgL-1 of ethanol. The density of ethanol is 0.79gcm-3. What is the concentration expressed as %v/v
Determine the activation energy in kJ/mol for a first order reaction if its specific rate constant 3.00e-05 s-1 at 350. K and 2.04e+02 s-1 at 510. K Ea= An Arrhenius plot (ln k vs. 1/T) for a second order reaction (2A -> C) produced a straight lin..
lidocaine is used as a drug during heart attacks to correct irregular heart rhythms called pvcs. the normal dosage is
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