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 standard change in free energy at 122oC is -6.001 kJ for the reaction A(s) + 2 B(g) ? AB2(g) We prepare a mixture at 122oC in a sealed 3.020 L vessel to contain 0.0370 mol A, 0.509 atm B, and 0.344 atm AB2. What is the free energy change (kJ) for this reaction under these conditions?
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
Calculate the pH of a buffer solution with .10 moles of C2H5COOH and .13 moles of C2H5COONa in 1.5L
A catalyst increases the overall rate of reaction by lowering the activation energy, Ea, for A) both the forward reaction and the reverse reaction. B) neither the forward reaction nor the reverse reaction.
Aspirin (acetylsalicylic acid) is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 g of aspirin in 0.600 L of water and measured the ph . What was the ka value calculated by the student if the ph of the..
As a technician in a large pharmaceutical research firm, you need to produce 150.mL of a 1.00 M phosphate buffer solution of pH = 7.10. The pKa of H2PO4- is 7.21.
Examine the label of any vegetable oils, solid shortening, margarine, or butter you might have on hand. Identify the oil or fat and report the level of saturated, mono-unsaturated
What masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
A 0.50 sample of compound contains 0.40g of Carbon and .10g of Hydrogen. What is the empirical formula
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 244 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr? Which will be closer to the nucleus?
Assume that a gold atom is shaped like a sphere. An atom of gold has a radius of 156 pm and a mass of 197 amu. Determine the density of a single gold atom in units of g/cm3. (1 amu = 1.66 x 10-24g).
A sample of nitrous oxide gas, N2O in a nonrigid container at a temperature of 33C occupies a certain volume at a certain pressure. What will be its temperature in degree Celsuis in each of the following situations
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