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!
Explain what is the pH of a solution that results when. 010 mol HNO3 is added to 500mL of a solution that is .10 M in aqueous ammonia as well as .61 M in ammonium nitrate. Presume no volume change. The Kb for NH3= 1.8x10-5.
as a system increases in volume it absorbs 52.5 j of energy in the form of heat from the surroundings. the piston is
For each solution, calculate the number of moles of acid added. 3. For each solution, calculate the number of moles of OH- ion added.
calculate the density of the pheromone in grams per liter in a cylindrical air space with a radius of 0.50 mi and a height of 40ft.
at room temperature 20 milk turns sour in about 65 hours. in a refrigerator at 3 milk can be stored three times as long
A second 1.0 mL sample is spiked with 2.0 microliters of a 1000 ppb Pb2+ standard and diluted to 5.0 mL, yielding an Sspike of 0.4. Determine the concentration of Pb2+ in the original sample of blood.
Octane has a density of 0.692 g/ml at 20 degrees celsius . How many grams of O2 are required to burn 16.0 gallons of C8H18 ?
Calculate the Molarity of a 0.074 M solution of ethyl alcohol in water at 25 degrees C. (Assume the density of the solution at such a low concentration is equal to that of water at 25 degrees C, 0.997 g/mL.)
Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2 . To measure water hardness, a sample of groundwater is titrated with EDTA,
A 1.8M solution of 65 mL is diluted to a volume of 248 mili litres. A portion of that solutions 124-mili litres is diluted using water of 137 mili litres. Determine the final concentration of this solution?
If an assay of soda ash sample was reported as 65.21% Na2CO3. Explain what the percent of carbon dioxide and carbonate ion
When 1 mol of HF is added to 1kg of water, the freezing point decreases by 1.9 C, but when 1 mol of HBr is added, the freezing point decreases by 3.7 C. Which is more highly separated into ions, HF or HBr
what will be the final temperature in degrees celsius if the volume of a gas container at 32.0degc changes from 1550 ml
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