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 directions state 'weigh about 5 grams of sodium chloride'. Give minimum and maximum amounts of sodium chloride that would satisfy these instructions.
KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 18.81 mL to reach a phenolphthalein end point. What is the molarity of the KOH solution
what are physical challenges of creating and moving one mole of a common household item from the eastern to the western
which element has the greatest density at STP? and why?
The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj?mol
ion-ion interactions in macromolecules are known to occur either inside or outside of the macromolecule. which of the two interactions is stronger and why
At 500 K, PCl5 decomposes rather extensively into PCl3 and Cl2. If 1.000 moles of PCl5 is placed in a 1 liter box at 500 K, 13.9 % of it decomposes into PCl3 and Cl2
The first ionization energy of magnesium is 738 kJ/mol, the second ionization energy of magnesium is 1451 kJ/mol, and the electron affinity for chlorine is -349 kJ/mol. Prove mathematically using Hess's Law that the formation of magnesium chloride..
Using data from appendix D, calculate [OH-] and pH of a mixture 0.10 M in NaNO2 and 0.20 M in Ca(NO2)2
List the procedures to prepare 100.00 ml of a 0.1M NaOH solution from a 10% NaOH solution. (MW of NaOH=40.00, d of solution= 1.0 g/ml)
The annual production of zinc sulfide (ZnS) is 5.5e4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
How many milliliters of 69 percent (w/w) HNO3 must you dilute with water to prepare a total volume of 100.0 mL of 7.00 M HNO3. The specific gravity of the concentrated solution is 1.42.
An aqueous solution contains 12.5% NaCl by mass. What mass of water (in grams)is contained in 2.5L of the vapor above this solution at 55 celcius? the vaor pressure of pure water at 55 celcius is 118 torr.
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