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!
Why does the ionisation of two or more electrons from an atom of a transition element take place with the removal of s electrons in preference to the d electrons?
Equal volumes of 0.180 M weak base (Kb=2.5x10^-9) and 0.180 M HCl are mixed. Calculate the pH of the resulting solution.
Note from the following table that the increase in atomic radius in moving from Zr to Hf is smaller than in moving from Y to La. Atomic Radii) Sc 1.44 Ti 1.36 Y 1.62 Zr 1.48 La 1.69 Hf 1.50 suggest an explanation for this effect
Explain why a 1m solution of the compound FeCl2 in water has a lower freezing temperature than a 1m solution of KCl in water and what is the empirical formula of a compound
The specific heat of silver is .24 j/g. How many joules of energy are need to warm 4.37g from 25 to 27.5 ?
The titration required 35.46 mL of 0.1052M Na2S2O3 solution. A faded price label on the gallon bottle read $0.79. The density of the bleaching solution was 1.10 g/mL Calculate the number of moles of S2O32- ion required for the titration
A buffer is prepared by adding 25.0 mL of 0.12 M HCl(aq) to 55.0 mL NaCH3CO2(aq). What is the solubility of BaF2 in this buffer solution
write the net ionic equation for the following oxidation-reduction reactions. substances labeled aq are soluble and
Between which of the following energy levels of the hydrogen atom is the energy difference the greatest
Calculate the pH of the 0.39M NH3/ 0.73M NH4CL buffer system . B) what is the pH after the addition of 20.0 mL of 0.075M NaOH
a voltaic cell consists of mnmn2 and cdcd2 half-cells containing equal volumes of solutions with the following initial
Why is lip gloss long lasting containing petroleum? How many metric tonnes of 5%-S coal would be required to yield the H2SO4 needed to produce a 2.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
how are observations and testable experiments used to distinguish whether something is a theory
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