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 soln was prepeared by dissolving 5.6 g of non electrolyte substannce in 45 g of water. the freezing point depression was .8 C. what is the molecular weight of this substance?
A solution of ammonia and water contains 3.00×10^25 water molecules and 5.80×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
europium crystallizers in a body-centered cubic lattice (the Eu atom occupy only the lattice points).The densisty of Eu is 5.26 g/cm^3.calculate the unit cell edge length in pm
Thin-layer chromatography - Explain how you should apply a spot of compound to the TLC plate in order to get the best results. How do you know if you have overloaded your TLC plate? Why is this a problem
What is the concentration of the compound in a solution whose absorbance at 219 nm is A = 0.080 with a sample pathlength of 1.00 cm
Why does G always decrease as you move towards equillibrium no matter what concentrations of product and reactant you start with? or does it always decrease
a 34.9-g sample of an unknown metal initially at 232.8oc is immersed in a 17.0-g sample of water specific heat 4.184 j
determine the mass of unknown liquid that you transferred to the flask before heating in the determinig the molar mass of a volatile liquid by the dumas method expermant
Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
How many grams of ethylene glycol C2H6O2 must be added to 1.15kg of water to produce a solution that freezes at -3.68 degrees celsius?
The flask is opened and more gas is added to the flask. The new pressure is 795 mm Hg and the temperature is now 26 °C. How many mol of gas are in the flask?
Calculate the pH of a solution prepared by mixing 15.0mL of 0.10M NaOH and 30.0mL of 0.10M benzoic acid solution. (Benzoic acid is monoprotic; its dissociation constant is 6.5x10^-5.)
The standard cell potential for the reaction below is +0.63 V. The cell potential for this reaction is __________ V when Zn2+ = 3.5M and Pb2+ = 2.0x10^-4 M. Pb2+ (aq) + Zn (s) --> Zn2+ (aq) + Pb(s)
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