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 solution that contains 55.0 g ascorbic acid (vitamin C) in 250 g of water freezes at - 2.34 oC. Calculate the molar mass (g/mol) of the solute.
Kf (water) = 1.86 oC/m
a. 1.26b. 10.9c. 43.6d. 175e. 277
Please show all your work
Find the mass of urea (CH4N2O) needed to prepare 50.8 g of a solution in water in which the mole fraction of urea is 7.76×10-2.
How many moles of each of the following were in the original sample?
Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a precipitate of chromium(III) fluoride. (For CrF3, Ksp = 6.6 x10^-11.)
What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
Oxidation-Reduction Reaction Use the half-reaction method to balance the following oxidation-reduction reaction under basic conditions. Physical states are not required. Write each balanced half-reaction and the final balanced net ionic equation.
you are a manufacturer of antacids. you could use either mg (oh)2 or al(oh)3 in your formulation. you can buy either of these for $2.00 per pound.
apply to NHCl3. A. polar bonds B. nonpolar molecule C. triangular-planar molecule shape D. sp2 hybirdized
The North American record for highest recorded barometric pressure is 31.85in Hg , set in 1989 in Northway, Alaska. 1. Convert this pressure to millimeters of mercury (using 4 significant figures) 2. convert this pressure to atmospheres
Chlorine-36 is a B emitter, with a half-life of 3.0 x 10^5 years. There are 8.4 x 10^8 B particles emitted in 1.9min from a 6.0 mg sample of Cl-36. How many curies of radiation does the 6.0 mg sample represent
There are several reagents that can be used to effect addition to a double bond including: acid and water, oxymercuration-demercuration reagents, and hydroboration-oxidation reagents
Calculate the delta ph/delta degrees celcius for the ph 8.0 tris solution. how accurate was the use of the ph strip in determining the ph
A glycerol solution weighing 153.2 mg was treated with 50.0 mL of 0.0899 M Ce4+ in 4M HClO4 at 60 degrees C for 15 min to convert glycerol into formic acid: C3H8O3 + 8Cefourplus + 3H2O ----> 3HCO2H + 8Cethreeplus + Fethreeplus
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