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!
A student prepared a solution of sodium carbonate by adding 2.111 g of the solid to a 250.0 ml volumetric flask and adding water to the mark. Some of this solution was transferred to a burette. Explain what volume of solution the student should transfer into a flask to obtain
a. 2.15 mmol of Na+
b. 4.98 mmol CO3^2-
c. 50.0 mg of Na2CO3
C5H12, 10.0 g hexane, C6H14 and 10.0 g benzene, C6H6. What is the mole fraction of hexane?
Determine K for the reaction, H2C6H7O6(aq) + 2OH-(aq) = C6H7O6 2-(aq)+ 2H2O(l) given that H2C6H7O6 ka1=8E-5 and Ka2=1.2E-12
Calculate the Ph the percent dissociation as well as the consecration of c6h5o- and OH- IN a 0.10 m phenol solution hc6h5o ka=1.3*10-10 kw =1.0*10-14
Estrone is a female sex hormone that is known to contain 80.0% carbon, 8.2% hydrogen, and the remainder oxygen. If 793mL of estrone is found to have a mass of 4.97g at 0.90atm and 200oC, find the molecular formula for estrone.
The half-life for the radioactive decay of [U]-238 is 4.5 billion years and is independent of initial concentration.
express your answer in condensed form in order of increasing orbital energy as a string without blank space between
One mole of monoatomic ideal gas expands adiabatically at initial temperature T against a constant external pressure of 1 atm. from one litre to two litre.
Predict the following Bronsted acid-base reaction at 25 C: HF+CL- -> HCL + F- (a)Predict whether K will be greater or smaller than one? (b)Does delta S prime and delta H prime make a greater contribution to delta G prime?
Predict if the following conditions would result in the formation of a preecipitate: a. 0.0025 M Fe3+ at pH 6.00 b. 0.0025 M Ba2+ and a 1.25x10-4 M solution of sodium sulfate c
what is the percentage ionization of the benzoic acid in the resulting solution. Ka(benz acid)=6.5 * 10^-5
why is the vertical movement of air critical to the formation of clouds and precipitation? how is this vertical
Alkanes are relatively inert except for two reactions, combustion and radical halogenations. Show all the products, intermediates and the flow of electrons in the following reaction.
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