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!
One gram of solid calcium sulfate, CaSO4(s), is added to 500 mL of pure water. Immediately, the solid begins to dissolve according to the following reaction:CaSO4(s) ? Ca2+ + SO42-
What is the concentration of dissolved sulfate in the water once equilibrium is achieved? If additional 10 grams is added, what would be the new equilibrium concentration of calcium sulfate?
A mixture of KClO3 and KCl with a mass of 0.950 g was heated to produce O2. After heating, the mass of residue was 0.700 g. Assuming all the KClO3 decomposed to KCl and O2, calculate the mass percent KClO3 in the original mixture.
The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00 kg of water that is at the EPA limit for lead.
A 247.7mg sample of an unknown substance was submitted for combustion analysis. The sample yielded 632.64 mg of Carbon dioxide and 259.04mg of water. 1) What is the empirical and molecular formular of this unknown substance
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
Give the balanced chemical equation, the ionic equation and the net ionic equation for the production of barium sulfate from aluminum sulfate and barium nitrate.
The molar heat capacities of iron and gold are 25.19 J/(mol x degrees C) and 25.41 J/(mol x degrees C), respectively. What is the final temperature of the water and pieces of metal
suppose you have two 100ml graduated cylinders. in each cylinder there is 40.0ml of water. you also have two cubes one
a .50 g sample of vegetable oil is placed in a calorimeter when the sample is burned 18.9kJ are given off what is the caloric value of the oil.
A sample of ammonia gas was allowed to come to equilibrium at 400 K.2NH3(g) ↔ N2(g) + 3H2(g) At equilibrium, it was found that the concentration of H2 was 0.0584 M, the concentration of N2 was 0.0195 M, and the concentration of NH3 was 0.430 M.
a wave in the ocean has amplitude of 3m. winds pick up suddenly increasing the waves amplitude to 6m. how does the
the human eye is sensitive to electromagnetic waves in a small range of frequencies extending from 3.90 x 1014 hz to
Consider the following equilibrium reaction that has achieved a state of dynamic equilibrium. In a 3.00 L container, the following amounts were determined at 400ºC: 0.0420 mole N2, 0.516 mole H2 and 0.0357 mole NH3. Determine the value of Kc
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